CN110564608A - Wood product mildew resistance testing system and method - Google Patents
Wood product mildew resistance testing system and method Download PDFInfo
- Publication number
- CN110564608A CN110564608A CN201910863014.9A CN201910863014A CN110564608A CN 110564608 A CN110564608 A CN 110564608A CN 201910863014 A CN201910863014 A CN 201910863014A CN 110564608 A CN110564608 A CN 110564608A
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- 239000002023 wood Substances 0.000 title claims abstract description 59
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000002474 experimental method Methods 0.000 claims abstract description 19
- 239000011521 glass Substances 0.000 claims description 23
- 238000005485 electric heating Methods 0.000 claims description 15
- 239000000523 sample Substances 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 11
- 230000001954 sterilising effect Effects 0.000 claims description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 241000233866 Fungi Species 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/34—Internal compartments or partitions
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M31/00—Means for providing, directing, scattering or concentrating light
- C12M31/10—Means for providing, directing, scattering or concentrating light by light emitting elements located inside the reactor, e.g. LED or OLED
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M37/00—Means for sterilizing, maintaining sterile conditions or avoiding chemical or biological contamination
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/20—Heat exchange systems, e.g. heat jackets or outer envelopes the heat transfer medium being a gas
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
- C12M41/34—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/46—Means for regulation, monitoring, measurement or control, e.g. flow regulation of cellular or enzymatic activity or functionality, e.g. cell viability
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
- C12Q1/18—Testing for antimicrobial activity of a material
Abstract
the invention discloses a system and a method for testing the mildew resistance of a wood product, wherein the testing system comprises a room body and a temperature control humidifying device, the room body is divided into an experiment area and an observation area which are mutually isolated, the temperature control humidifying device is arranged in the experiment area and heats and humidifies the experiment area so that the temperature and the humidity in the experiment area reach a testing standard, the whole wood product is placed in the experiment area for mildew resistance testing, and the observation area is used for observing the mildew resistance of each part of the wood product in the experiment area. The invention selects a building enclosed room as a test environment, can place whole wood products due to enough enclosed space, is provided with a temperature control humidification control device to enable the interior to reach a damp and stuffy standard environment, and then carries out mildew-proof test. The method has authenticity in testing, and can more accurately test the mildew resistance of the wood product.
Description
Technical Field
The invention relates to the field of mildew resistance tests, in particular to a system and a method for testing the mildew resistance of a wood product.
Background
the mildew resistance test of the existing wood product only takes a part of the wood product, the wood product is soaked in water for a period of time, the water absorption thickness expansion rate limit value of a test piece is determined, only non-water absorption and water absorption are taken as appearance comparison, and the mildew resistance of the wood product under the humid condition is indirectly judged through the water absorption thickness change. The test method can only indirectly know the water absorption condition of the sample, can not directly and clearly see the actual mildew phenomenon of the sample, the wood products are generally large in size, different parts are made of different materials, the common seam position is most prone to mildew, and the sampling part is difficult to represent.
disclosure of Invention
The invention provides a system for testing the mildew resistance of a wood product, aiming at solving the defects and shortcomings of the prior art, and the test system has more authenticity in the test of the whole wood product.
In order to achieve the purpose, the invention adopts the technical scheme that the wood product anti-mildew test device comprises a room body and a temperature control humidifying device, wherein the temperature control humidifying device is arranged in the room body and heats and humidifies the room body so that the temperature and the humidity in the room body reach the test standard, and the whole wood product is placed in the room body for mildew-proof test.
Preferably, the room body is divided into an experiment area and an observation area which are mutually isolated, the temperature control humidifying device is arranged in the experiment area and heats and humidifies the experiment area so that the temperature and the humidity in the experiment area reach the test standard, the whole wood product is placed in the experiment area for mildew-proof test, and the observation area is used for observing the mildew-proof performance of each part of the wood product in the experiment area.
Compared with the traditional wood product mildew-proof test method, the method adopts a part of the wood product, and the invention has more authenticity in the wood product test by placing the whole wood product in a room of a building. The temperature control humidifying device in the experimental area in the room body is used for heating and humidifying to enable the indoor environment to reach a humid and sultry condition, the fungus of the wooden product is rapidly propagated under the condition, the condition that the growth of the fungus is inhibited at each part of the wooden product can be directly observed through the observation area, namely the fungus resistance of the wooden product is realized, and the test method is more real and accurate.
Preferably, the room body is divided into an observation area and an experimental area by a glass partition plate, and the glass partition plate is provided with a glass door. Through adopting the glass baffle to carry out the subregion with the room body, can observe the wooden mould condition of doing in the observation area, can avoid mycotic infection.
Preferably, the temperature control humidifying device comprises a humidifier, an air supply box, an electric heating device, an air feeder, an air duct machine and a temperature and humidity probe, the humidifier, the air supply box, the air feeder and the air duct machine are connected in sequence, and the temperature and humidity probe is arranged in the air supply box and the air duct machine.
preferably, the temperature control humidifying device further comprises a control cabinet, the control cabinet is arranged in the observation area, and a controller of the control cabinet is electrically connected with the humidifier, the electric heating device, the air feeder, the air duct machine and the temperature and humidity probe. The temperature and humidity device is accurate to control, and the mould proof performance of the wood product under different temperature and humidity environments can be simulated.
Preferably, the humidifier is connected with the air supply box through a steam spray rod, so that the interior of the air supply box is humidified.
Preferably, the air supply box and the air outlet of the air duct machine are connected with a diffuser. The air diffuser makes the air outlet direction of the air outlet divided into multi-directional flow so as to make the air in the air supply box uniformly distributed and enter the room body.
preferably, the ground and the wall in the experimental area are paved with PVC plates. The PVC board can prevent the wall and the ground from mildewing during testing.
Preferably, an ultraviolet lamp for sterilization is also arranged in the experimental area. After the test is finished, the ultraviolet lamp is turned on for sterilization and disinfection, so that an aseptic environment after the test is finished is ensured, and a subsequent new test is conveniently carried out.
The invention also provides a method for testing the mildew resistance of the wood product, which comprises the following steps:
1) Selecting a closed room, and dividing the room into an observation area and an experimental area through a glass partition plate;
2) Adjusting the temperature and humidity of the experimental area in the step 1), and placing the whole wood product into the experimental area for experiment when the indoor temperature and humidity reach the test standard;
3) enter the observation area at regular time and observe the mildewing condition of the wood through the glass clapboard.
The invention has the beneficial effects that:
the invention selects a building enclosed room as a test environment, can place whole wood products because the enclosed space is large enough, and enables the interior to reach a humid and sultry standard environment by dividing the building room into an experimental area and an observation area and arranging a temperature control and humidification control device in the experimental area. When the indoor temperature and humidity reach the test standard, the whole wood product can be placed indoors, indoor light is turned off, the whole wood product enters an observation room regularly and the mildew condition of the wood product is observed through a glass block.
drawings
FIG. 1 is a schematic structural view of an experimental zone of the present invention;
FIG. 2 is a schematic view of a glass partition structure of the observation area according to the present invention;
FIG. 3 is a schematic diagram of a side view of the experimental region of the present invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the invention, and the direction of the embodiment is based on the direction of fig. 1.
As shown in fig. 1 to 3, the system for testing the mildew resistance of a wood product of the present invention comprises a room body 1, a temperature control humidifying device, an illuminating lamp 2 and an ultraviolet lamp 3;
The room body 1 is a closed building room, and the room body 1 is divided into an observation area 11 and an experimental area 12 through a glass partition plate 4; the glass partition plate 4 is provided with a glass door 41, the glass door 41 is connected with the glass partition plate through a stainless steel door frame, and a sample wood product is placed in the experimental area by opening the glass door 41; the room body 1 is partitioned by the glass baffle, so that the condition of the mildew of the wood can be observed in the observation area 11, and the mildew infection can be avoided; while the viewing area 11 may have equipment control boxes placed therein. The volume ratio of the observation area 11 to the experiment area 12 is determined according to the actual situation, and the volume ratio of the observation area to the experiment area is 1:3 in the embodiment.
The experimental area 12 is used for testing the mildew resistance of the wood products, wherein PVC plates are paved on the ground and the wall surface of the experimental area 12, so that the wall and the ground can be prevented from mildewing during testing; the temperature control humidifying device is arranged at the top in the experimental area 12 and comprises a humidifier 51, an air supply box 52, an electric heating device 53, an air supply machine 54, an air duct machine 55, a temperature and humidity probe 56 and a control cabinet 57; the humidifier 51 is connected with the air supply box 52 through a steam spray rod 511, so that the air in the air supply box is humidified; the air outlet of the air supply box 52 is connected with a diffuser 58, and the diffuser 58 enables the air outlet direction of the air outlet to flow in multiple directions so as to ensure that the air in the air supply box is uniformly distributed and enters the room body; in a preferred embodiment, the diffuser is selected from a square diffuser; the other end of the air supply box 52 is connected with an electric heating device 53, the electric heating device 53 is used for heating the internal environment to enable the internal environment temperature to reach a proper temperature, the electric heating device 53 can adopt an electric heating pipe, the other end of the electric heating device 53 is connected with an air supply machine 54, the air supply machine 54 is connected with an air return box 551 of the air pipe machine 55, a fireproof soft joint 552 is adopted among the electric heating pipe 53, the air supply machine 54 and the air pipe machine 55, and the fireproof soft joint is a flexible connecting fitting and is used for noise elimination and reduction of a fan and deformation of a heat compensation pipeline of the fan pipeline. The air outlet of the ducted air conditioner 55 is connected with a diffuser 58, and the diffuser 58 is the same as the diffuser connected with the air supply box. The ducted air duct 55 is preferably a one-by-one ducted air duct, using a door-hinged louvered air opening. A wall-mounted air conditioner 59 is also installed at the top of the experimental area 12 for temperature and humidity regulation of the room.
The temperature and humidity probes 56 are respectively arranged in the air supply box 52 and the air return box 551, and the temperature and humidity probes 56 detect the temperature and humidity of the environment in the air supply box 52 and the air return box 551;
The control cabinet 57 is arranged in the observation area 11 so as to be convenient for operation, a controller of the control cabinet 57 is electrically connected with the humidifier 51, the electric heating device 53, the blower 54, the ducted air conditioner 55 and the temperature and humidity probe 56, when the temperature and humidity probe 56 detects that the temperature and humidity in the air supply box and the air return box do not accord with the experimental conditions, signals are transmitted to the controller, the controller controls the humidifier and the electric heating device to heat and humidify the environments in the air supply box and the air return box, and until the temperature and humidity probe 56 detects that the temperature and humidity reach the testing standard, the wood works are placed in the experimental area to be tested for mildew resistance.
Light 2 and ultraviolet lamp 3 install in the experimental area, and after the test was accomplished, open ultraviolet lamp, disinfect, guarantee experimental sterile environment after finishing, conveniently carry out follow-up new test.
The working principle of the mildew-proof performance test system for the wood products is as follows: starting the humidifier 51, the air supply box 52, the electric heating device 53, the air supply machine 54 and the air duct machine 55, the air pipe machine sucks the indoor air flow into the air return box, the air in the air return box enters the electric heating device through the air feeder to be electrically heated and then enters the air supply box, the humidifier humidifies the air flow in the air supply box at the moment, then the air flow in the air supply box is uniformly distributed into the room body through an air outlet of the air supply box and a diffuser, the above steps are repeated in a circulating way, the indoor temperature and humidity reach the test standard after a period of time, under the condition, the mould can be rapidly propagated, for example, the humidity is 98 percent and the temperature is 28 ℃ in the embodiment, certainly, the test system is not limited to the temperature and humidity environment, and can simulate the mildew resistance of the wood products in different temperature and humidity environments according to actual needs; the whole wood product (wooden furniture such as an indoor door, a cabinet body and the like) can be placed indoors, indoor light is turned off, the wood product enters an observation room at regular time, the mildew condition of the wood product is observed through a glass block, and after the experiment is finished, an ultraviolet lamp is used for irradiating and sterilizing to prepare for the next experiment.
The invention also provides a method for testing the mildew resistance of the wood product, which comprises the following steps:
1) Selecting a closed room, and dividing the room into an observation area and an experimental area through a glass partition plate;
2) Adjusting the temperature and humidity of the experimental area in the step 1), and placing the whole wood product into the experimental area for experiment when the indoor temperature and humidity reach the test standard;
3) entering an observation area at regular time and observing the mildewed condition of the wood through a glass clapboard;
4) and after the test is finished, carrying out ultraviolet sterilization treatment on the experimental area.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The system for testing the mildew resistance of the wood product is characterized by comprising a room body and a temperature control humidifying device, wherein the temperature control humidifying device is arranged in the room body and is used for heating and humidifying the room body so as to enable the temperature and humidity in the room body to reach a test standard, and the whole wood product is placed in the room body for mildew resistance testing.
2. the system for testing the mildew resistance of the wood product as claimed in claim 1, wherein the room body is divided into an experimental area and an observation area which are isolated from each other, the temperature control humidifying device is arranged in the experimental area and heats and humidifies the experimental area to enable the temperature and the humidity in the experimental area to reach the test standard, the whole wood product is placed in the experimental area for the mildew resistance test, and the observation area is used for observing the mildew resistance of each part of the wood product in the experimental area.
3. The system for testing the mildew resistance of a wood product as claimed in claim 1, wherein the room body is divided into an observation area and an experimental area by a glass partition plate, and the glass partition plate is provided with a glass door.
4. The system for testing the mildew-proof performance of the wood product according to claim 1, wherein the temperature control humidifying device comprises a humidifier, an air supply box, an electric heating device, an air supply machine, an air duct machine and a temperature and humidity probe, the humidifier, the air supply box, the air supply machine and the air duct machine are sequentially connected, and the temperature and humidity probe is arranged in the air supply box and the air duct machine.
5. the system for testing the mildew-proof performance of the wood product according to claim 4, wherein the temperature-control humidifying device further comprises a control cabinet, the control cabinet is arranged in the observation area, and a controller of the control cabinet is electrically connected with the humidifier, the electric heating device, the air feeder, the air duct machine and the temperature and humidity probe.
6. The system for testing the mildew resistance of the wood products as claimed in claim 4, wherein the humidifier is connected with the air supply box through a steam spray rod, so that the interior of the air supply box is humidified.
7. The system for testing the mildew-proof performance of a wood product as claimed in any one of claims 4 to 6, wherein the air outlet of the air supply box and the air duct machine is connected with an air diffuser.
8. the system for testing the mildew-proof performance of the wood products as claimed in claim 1, wherein PVC plates are paved on the ground and the wall of the experimental area.
9. The system for testing the mildew-proof performance of the wood products as claimed in claim 1, wherein an ultraviolet lamp for sterilization is further arranged in the experimental area.
10. The method for testing the mildew resistance of the wood product is characterized by comprising the following steps of:
1) Selecting a closed room, and dividing the room into an observation area and an experimental area through a glass partition plate;
2) Adjusting the temperature and humidity of the experimental area in the step 1), and placing the whole wood product into the experimental area for experiment when the indoor temperature and humidity reach the test standard;
3) Enter the observation area at regular time and observe the mildewing condition of the wood through the glass clapboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863014.9A CN110564608A (en) | 2019-09-12 | 2019-09-12 | Wood product mildew resistance testing system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863014.9A CN110564608A (en) | 2019-09-12 | 2019-09-12 | Wood product mildew resistance testing system and method |
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| Publication Number | Publication Date |
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| CN110564608A true CN110564608A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910863014.9A Pending CN110564608A (en) | 2019-09-12 | 2019-09-12 | Wood product mildew resistance testing system and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204759254U (en) * | 2015-07-07 | 2015-11-11 | 晋江拓普旺防霉材料有限公司 | Mould proof capability test appearance |
| JP2017173235A (en) * | 2016-03-25 | 2017-09-28 | エスペック株式会社 | Environmental test device |
| CN108918834A (en) * | 2018-08-30 | 2018-11-30 | 兰舍硅藻新材料有限公司 | A kind of the Special experimental facility and its method of detection coating mould proof performance for a long time |
| CN211999726U (en) * | 2019-09-12 | 2020-11-24 | 雄安万科绿色研发有限公司 | Wood product mould proof capability test system |
-
2019
- 2019-09-12 CN CN201910863014.9A patent/CN110564608A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204759254U (en) * | 2015-07-07 | 2015-11-11 | 晋江拓普旺防霉材料有限公司 | Mould proof capability test appearance |
| JP2017173235A (en) * | 2016-03-25 | 2017-09-28 | エスペック株式会社 | Environmental test device |
| CN108918834A (en) * | 2018-08-30 | 2018-11-30 | 兰舍硅藻新材料有限公司 | A kind of the Special experimental facility and its method of detection coating mould proof performance for a long time |
| CN211999726U (en) * | 2019-09-12 | 2020-11-24 | 雄安万科绿色研发有限公司 | Wood product mould proof capability test system |
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