CN117051390A - 一种可直接喷涂的四合一无磷处理液及制备方法和应用 - Google Patents
一种可直接喷涂的四合一无磷处理液及制备方法和应用 Download PDFInfo
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- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 20
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004337 magnesium citrate Substances 0.000 claims abstract description 18
- 229960005336 magnesium citrate Drugs 0.000 claims abstract description 18
- 235000002538 magnesium citrate Nutrition 0.000 claims abstract description 18
- PLSARIKBYIPYPF-UHFFFAOYSA-H trimagnesium dicitrate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PLSARIKBYIPYPF-UHFFFAOYSA-H 0.000 claims abstract description 18
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- 239000001384 succinic acid Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
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- 239000003795 chemical substances by application Substances 0.000 description 3
- OOUMMVQQCICTGF-UHFFFAOYSA-K chromium(3+);dihydrogen phosphate Chemical compound [Cr+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O OOUMMVQQCICTGF-UHFFFAOYSA-K 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
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- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
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- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
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- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
本发明提供一种可直接喷涂的四合一无磷处理液，以重量百分比计，由以下成分制成：偏钛酸18‑22%，碳酸镁4‑6%，氟化锆3‑5%，柠檬酸镁2‑3%，硼化钛1‑2%，丁二酸9‑12%，烷氧基聚乙烯氢氧基乙醇10‑15%，余量为水。该四合一无磷处理液除油、除锈、钝化防锈效果好、不含磷、水洗无返锈、与涂料配套性能好。
Description
技术领域
本发明涉及金属表面处理技术领域，具体涉及一种可直接喷涂的四合一无磷处理液及制备方法和应用。
背景技术
钢铁表面在进行涂漆、喷塑或电镀之前，都要对钢铁表面进行磷化、钝化的预处理，以提高钢铁表面的防锈性和附和力。目前，磷酸盐转化膜处理广泛应用于汽车、轮船、机械制造航空航天及家用电器等产品上。
金属表面处理工艺繁多，各种小零部件和大件部分位置处理起来麻烦，金属表面处理行业里也开始针对这类情况研究一种简单、方便、快捷、实用的处理液，开始有除锈-磷化二合一处理液到现在的四合一处理液，但四合一处理液的效果不太理想。
中国专利CN202211527753.9公开了一种除油、除锈、钝化、磷化四合一处理液及其制备方法，所述除油、除锈、钝化、磷化四合一处理液按重量分数计，包括以下组分：磷酸55-90份，氧化锌15-30份，硝酸锌60-100份，氧化镁15-30份，酒石酸5-20份，重铬酸钾5-20份，钼酸铵5-20份，烷基苯磺酸钠20-45份，氧化钙15-30份，水30-70份。该处理液主要用于处理各种金属材质表面的油污、锈蚀、氧化皮并在表面形成一种磷化-钝化膜，制备的四合一磷化液具有无毒、无刺激性、对环境无污染、易生物降解、省电省工省时等应用特点，是一种环保型产品。中国专利CN201510013243.3公开了一种高压输电线路铁塔的四合一化学处理试剂，包括按重量份数构成水溶液的组分如下：磷酸：110～180份、氧化锌:30～50份、氧化镁：15～30份、硝酸锌:150～170份、磷酸二氢铬:0.2～0.4份、酒石酸:5～10份、烷基磺酸钠:1～2份、钼酸铵:0.8～1.2份。该将原有高压输电线路铁塔的除油、除锈、磷化、钝化工作一次完成，大大节省了劳动强度，特别是为高空作业带来了极大的方便，本发明的配方合理，工艺操作适用，提高了工作效率，且效果良好，同时大大减少了各种清洗试剂对周围土壤的侵蚀，节省了材料成本及劳力成本。该专利中磷酸二氢铬的使用面窄，采购不方便且成本高昂。中国专利CN201611057152.0提供一种四合一处理液配方及处理方法，酸洗液配方为浓硫酸30 100毫升、硫脲2 10毫升、烷基磺酸钠10 50毫升；磷化液配方为磷酸30 80克、氧化锌10 30克、硝酸锌100 300克、磷酸二氢铬0.5 2克、酒石酸2 10克、烷基磺酸钠10 40毫升、OP乳化剂10 30毫升。分别将酸洗液和磷化液加水稀释，先用酸洗液浸泡制品，后用磷化液浸泡金属制品，最后用清水洗涤、晾干即可。
以上除油、除锈、磷化、钝化四合一处理液具有含大量磷酸、水洗返锈、与涂料匹配性能差等诸多缺点，很难应用于高质量涂装场所。
中国专利CN201210257927.4公开了一种只需10-20min就可以完成除油、除锈、磷化、钝化的“四合一”综合处理剂，技术方案是：综合处理剂由氧化锌、磷酸二氢锌、硫脲、钼酸钠、氯酸钾、三乙醇胺、OP-10、柠檬酸和水构成。其优越性：研制的综合处理液适用于钢铁表面涂装前处理，室温下使钢铁工件表面涂油、除锈、磷化、钝化一步完成，用后不产生沉渣，可循环使用，节省工时，节约电源。处理液具有高效节能、适应性强等特点，适合于局部和户外大型部件得处理，也可作短期存放的防锈处理。本综合处理液不含亚硝酸盐，铬酸盐，铅盐等有害物质，不污染环境。该专利含磷及锌、钼等重金属元素，不符合环保发展理念和政策，属于传统型四合一技术。
发明内容
本发明提供一种可直接喷涂的四合一无磷处理液及制备方法和应用，该可直接喷涂的四合一无磷处理液除油、除锈、钝化防锈效果好、不含磷、水洗无返锈、与涂料配套性能好。
本发明可直接喷涂的四合一无磷处理液，以重量百分比计，由以下成分制成：
偏钛酸 18-22%,
碳酸镁 4-6%,
氟化锆 3-5%,
柠檬酸镁 2-3%,
硼化钛 1-2%,
丁二酸 9-12%,
烷氧基聚乙烯氢氧基乙醇 10-15%,
水 余量。
所述碳酸镁和柠檬酸镁的重量比例为（2-3）：1，该比例过小，也就是碳酸镁的用量偏少，中性盐雾试验时间下降，该比例过大，也就是碳酸镁的用量偏大，会引起涂层不均匀，造成涂层瑕疵。
所述的烷氧基聚乙烯氢氧基乙醇性能指标如下：碳原子：C11-C15，类型：Type 15-S-7，分子量508g/mol，CMC：38 ppm，HLB：12.1。用量过小，脱脂除油效力差；用量过大，引起涂层附着力变差。
所述的水为纯净水。
本发明可直接喷涂的四合一无磷处理液的制备方法包括如下步骤：
依次包括如下步骤：称取水于容器中，开启搅拌，加入偏钛酸、碳酸镁，待反应完全后依次加入氟化锆、柠檬酸镁、硼化钛、丁二酸、烷氧基聚乙烯氢氧基乙醇，搅拌2-3小时，即可得新型四合一无磷处理液。
本发明可直接喷涂的四合一无磷处理液的使用方法如下：
将带油带锈工件浸渍四合一无磷处理液原液中5-15分钟取出，或使用毛刷刷涂带油带锈工件，直至油污和锈渍除尽为止，烘干即可。
本发明烷氧基聚乙烯氢氧基乙醇有乳化脱脂功能，丁二酸有除锈剥离功能，两者复配对除油除锈有事半功倍的效果；偏钛酸、碳酸镁是成膜主剂，柠檬酸镁使成膜更加均匀致密，氟化锆填充膜层孔隙，硼化钛是成膜催化剂。
本发明的有益效果如下：
本发明可直接喷涂的四合一无磷处理液除油、除锈、钝化防锈效果好、不含磷、水洗无返锈、与涂料配套性能好。
实施方式
以下实施例用于说明本发明，但不用来限制本发明的范围。
实施例、对比例中烷氧基聚乙烯氢氧基乙醇的牌号及生产厂家为：陶氏化学，MDL编号：MFCD00132411。
表1为实施例1-5的配方，表2为对比例1-6的配方，表3为对比例7-10的配方，具体如下：
表1（配制1公斤）
| 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | |
| 偏钛酸 | 180g | 190g | 200g | 210g | 220g |
| 碳酸镁 | 40g | 45g | 50g | 55g | 60g |
| 氟化锆 | 30g | 35g | 40g | 45g | 50g |
| 柠檬酸镁 | 20g | 24g | 25g | 28g | 30g |
| 硼化钛 | 10g | 12g | 15g | 18g | 20g |
| 丁二酸 | 90g | 95g | 105g | 110g | 120g |
| 烷氧基聚乙烯氢氧基乙醇 | 100g | 120g | 130g | 140g | 150g |
| 纯水 | 余量 | 余量 | 余量 | 余量 | 余量 |
表2（配制1公斤）
| 对比例1 | 对比例2 | 对比例3 | 对比例4 | 对比例5 | 对比例6 | |
| 偏钛酸 | 180g | 190g | 200g | 210g | 220g | 220g |
| 碳酸镁 | - | 45g | 50g | 55g | 60g | 60g |
| 氟化锆 | 30g | - | 40g | 45g | 50g | 50g |
| 柠檬酸镁 | 20g | 24g | - | 28g | 30g | 30g |
| 硼化钛 | 10g | 12g | 15g | - | 20g | 20g |
| 丁二酸 | 90g | 95g | 105g | 110g | - | 120g |
| 烷氧基聚乙烯氢氧基乙醇 | 100g | 120g | 130g | 140g | 150g | - |
| 纯水 | 余量 | 余量 | 余量 | 余量 | 余量 | 余量 |
表3（配制1公斤）
| 对比例7 | 对比例8 | 对比例9 | |
| 偏钛酸 | 180g | 180g | 180g |
| 碳酸镁 | 0 | 60 g | 20g |
| 氟化锆 | 30g | 30g | 30g |
| 柠檬酸镁 | 60g | 0 | 40g |
| 硼化钛 | 10g | 10g | 10g |
| 丁二酸 | 90g | 90g | 90g |
| 烷氧基聚乙烯氢氧基乙醇 | 100g | 100g | 100g |
| 纯水 | 余量 | 余量 | 余量 |
表3中对比例7在实施例1的基础上将碳酸镁去掉，柠檬酸镁的用量为实施例1中碳酸镁和柠檬酸镁的总用量，其他同实施例1；对比例8在实施例1的基础上将柠檬酸镁去掉，碳酸镁的用量为实施例1中碳酸镁和柠檬酸镁的总用量，其他同实施例1；对比例9在实施例1的基础上将碳酸镁的用量与柠檬酸镁的用量交换，其他同实施例1。
以上实施例、对比例制备方法如下：称取纯水于烧杯中，开启实验室高速搅拌机，加入偏钛酸、碳酸镁，待反应完全后依次加入氟化锆、柠檬酸镁、硼化钛、丁二酸、烷氧基聚乙烯氢氧基乙醇，搅拌2小时。即可得新型四合一无磷处理液。
以上实施例、对比例可直接喷涂的四合一无磷处理液的使用方法如下：
将带油带锈工件浸渍四合一无磷处理液原液中10分钟取出，直至油污和锈渍除尽为止，烘干即可。
实施例1-5测试效果见表4，对比例1-6效果测试见表5，对比例7-10效果测试见表6。
表4
| 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | |
| 除油能力 | 44#达因笔无收缩 | 44#达因笔无收缩 | 44#达因笔无收缩 | 44#达因笔无收缩 | 44#达因笔无收缩 |
| 清洗前人工油污量 | 2000mg/㎡ | 2000mg/㎡ | 2000mg/㎡ | 2000mg/㎡ | 2000mg/㎡ |
| 清洗后人工油污量 | 3mg/㎡ | 3mg/㎡ | 2mg/㎡ | 4mg/㎡ | 3mg/㎡ |
| 除锈能力 | 均匀红色铜膜 | 均匀红色铜膜 | 均匀红色铜膜 | 均匀红色铜膜 | 均匀红色铜膜 |
| 除锈前氧化皮厚度 | 100微米 | 100微米 | 100微米 | 100微米 | 100微米 |
| 除锈后氧化皮厚度 | 0 | 0 | 0 | 0 | 0 |
| 中性盐雾试验 | 4h | 5h | 5h | 5h | 6h |
| 磷含量 | 0mg/l | 0mg/l | 0mg/l | 0mg/l | 0mg/l |
| 电泳配套性能 | 膜层光滑无瑕疵，附着力0级，抗冲击性能50kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能50kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能50kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能50kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能50kg·cm |
| 粉末配套性能 | 膜层光滑无瑕疵，附着力0级，抗冲击性能30kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能30kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能30kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能30kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能30kg·cm |
表5
| 对比例1 | 对比例2 | 对比例3 | 对比例4 | 对比例5 | 对比例6 | |
| 除油能力 | 44#达因笔无收缩 | 44#达因笔无收缩 | 44#达因笔无收缩 | 44#达因笔无收缩 | 44#达因笔无收缩 | 44#达因笔收缩 |
| 清洗前人工油污量 | 2000mg/㎡ | 2000mg/㎡ | 2000mg/㎡ | 2000mg/㎡ | 2000mg/㎡ | 2000mg/㎡ |
| 清洗后人工油污量 | 16mg/㎡ | 13mg/㎡ | 12mg/㎡ | 14mg/㎡ | 13mg/㎡ | 13mg/㎡ |
| 除锈能力 | 均匀红色铜膜 | 均匀红色铜膜 | 均匀红色铜膜 | 均匀红色铜膜 | 少量红色铜膜 | 少量红色铜膜 |
| 除锈前氧化皮厚度 | 100微米 | 100微米 | 100微米 | 100微米 | 100微米 | 100微米 |
| 除锈后氧化皮厚度 | 0 | 0 | 0 | 0 | 0 | 0 |
| 中性盐雾试验 | 0.1h | 0.5h | 2h | 0.2h | 0.2h | 0.2h |
| 磷含量 | 0mg/l | 0mg/l | 0mg/l | 0mg/l | 0mg/l | 0mg/l |
| 电泳配套性能 | 膜层光滑无瑕疵，附着力2级，抗冲击性能20kg·cm | 膜层光滑无瑕疵，附着力1级，抗冲击性能30kg·cm | 膜层光滑无瑕疵，附着力1级，抗冲击性能40kg·cm | 膜层光滑无瑕疵，附着力2级，抗冲击性能30kg·cm | 膜层不光滑有纹路，附着力3级，抗冲击性能5kg·cm | 膜层不光滑有缩孔，附着力3级，抗冲击性能5kg·cm |
| 粉末配套性能 | 膜层光滑无瑕疵，附着力2级，抗冲击性能10kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能20kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能20kg·cm | 膜层光滑无瑕疵，附着力0级，抗冲击性能10kg·cm | 膜层不光滑有纹路，附着力3级，抗冲击性能5kg·cm | 膜层不光滑有缩孔，附着力3级，抗冲击性能5kg·cm |
表6
| 对比例7 | 对比例8 | 对比例9 | |
| 除油能力 | 44#达因笔无收缩 | 44#达因笔无收缩 | 44#达因笔无收缩 |
| 清洗前人工油污量 | 2000mg/㎡ | 2000mg/㎡ | 2000mg/㎡ |
| 清洗后人工油污量 | 17mg/㎡ | 18mg/㎡ | 15mg/㎡ |
| 除锈能力 | 均匀红色铜膜 | 均匀红色铜膜 | 均匀红色铜膜 |
| 除锈前氧化皮厚度 | 100微米 | 100微米 | 100微米 |
| 除锈后氧化皮厚度 | 0 | 0 | 0 |
| 中性盐雾试验 | 0.2h | 0.3h | 0.5h |
| 磷含量 | 0mg/l | 0mg/l | 0mg/l |
| 电泳配套性能 | 膜层光滑无瑕疵，附着力2级，抗冲击性能30kg·cm | 膜层光滑无瑕疵，附着力2级，抗冲击性能30kg·cm | 膜层光滑无瑕疵，附着力2级，抗冲击性能30kg·cm |
| 粉末配套性能 | 膜层光滑无瑕疵，附着力2级，抗冲击性能10kg·cm | 膜层光滑无瑕疵，附着力2级，抗冲击性能10kg·cm | 膜层光滑无瑕疵，附着力2级，抗冲击性能10kg·cm |
从表4实施例1和表6对比例7、8的测试结果可以看出，本发明配方中碳酸镁和柠檬酸镁具有协同作用。
表中各项测试方法如下：
1、除油能力测试方法：将四合一无磷处理液刷涂于重油污重锈蚀热轧板上，30分钟后用清水冲洗干净，待完全自然晾干，用44#达因墨水检测，划线无收缩，表明除油彻底；
2、除锈能力测试方法：将四合一无磷处理液刷涂于重油污重锈蚀热轧板上，30分钟后用清水冲洗干净，待完全自然晾干，热轧试片浸没于10%硫酸铜溶液中，形成均匀红色铜膜，表明除氧化皮彻底；
3、中性盐雾试验测试方法：将四合一无磷处理液刷涂于重油污重锈蚀热轧板上，30分钟后用清水冲洗干净，待完全自然晾干，置于中性盐雾试验箱中4小时，无锈蚀，表明无磷转化膜耐蚀性好。GB/T 10125-2012 人造气氛腐蚀试验；
4、磷含量：总磷测试仪测试；
5、附着力：划格试验法 GB/T 9286 -1998《色漆和清漆 漆膜的划格试验》；
6、抗冲击性：冲击试验仪 GB/T 1732-1993《漆膜耐冲击性测定法》。
Claims (6)
1.一种可直接喷涂的四合一无磷处理液，以重量百分比计，由以下成分制成：偏钛酸18-22%，碳酸镁4-6%，氟化锆3-5%，柠檬酸镁2-3%，硼化钛1-2%，丁二酸9-12%，烷氧基聚乙烯氢氧基乙醇10-15%，余量为水。
2.根据权利要求1所述的四合一无磷处理液，其特征在于，所述碳酸镁和柠檬酸镁的重量比例为(2-3):1。
3.根据权利要求1或2所述的四合一无磷处理液，其特征在于，所述的烷氧基聚乙烯氢氧基乙醇性能指标如下：碳原子：C11-C15，类型：Type 15-S-7。
4.根据权利要求1或2所述的四合一无磷处理液，其特征在于，所述的水为纯净水。
5.根据权利要求1所述四合一无磷处理液的制备方法，其特征在于，依次包括如下步骤：称取水于容器中，开启搅拌，加入偏钛酸、碳酸镁，待反应完全后依次加入氟化锆、柠檬酸镁、硼化钛、丁二酸、烷氧基聚乙烯氢氧基乙醇，搅拌2-3小时，即可得新型四合一无磷处理液。
6.根据权利要求1所述四合一无磷处理液的使用方法，其特征在于，依次包括如下步骤：将带油带锈工件浸渍四合一无磷处理液原液中5-15分钟取出，或使用毛刷刷涂带油带锈工件，直至油污和锈渍除尽为止，烘干。
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