CN103668242A - Rust removal liquid for cast iron surfaces - Google Patents
Rust removal liquid for cast iron surfaces Download PDFInfo
- Publication number
- CN103668242A CN103668242A CN201310649221.7A CN201310649221A CN103668242A CN 103668242 A CN103668242 A CN 103668242A CN 201310649221 A CN201310649221 A CN 201310649221A CN 103668242 A CN103668242 A CN 103668242A
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- CN
- China
- Prior art keywords
- cast iron
- rust removal
- rust removing
- removal liquid
- removing solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a rust removal liquid for cast iron surfaces, the rust removal liquid comprises the following components: by weight, 18%-20% of industrial sulphuric acid, 4%-5% of salt, 0.3%-0.5% of thiocarbamide and the balance of water, and the rust removal liquid for the cast iron surfaces has the characteristics of simple formula, good rust removal effect and low production cost.
Description
Technical field
The present invention relates to metal-derusting field, be specifically related to a kind of Cast Iron Surface rust removing solution.
Background technology
The corrosion product of metal, is mainly comprised of oxide compound and oxyhydroxide, and chemical rust removing is exactly by chemical method, metallic surface corrosion product to be dissolved, but metal is different, and rust removing solution used is also different.
Summary of the invention
The object of the invention is to address the above problem, a kind of Cast Iron Surface rust removing solution is provided.
The technical scheme that the present invention adopted is for achieving the above object: Cast Iron Surface rust removing solution, and described rust removing solution comprises industrial sulphuric acid 18%-20%, salt 4%-5%, thiocarbamide 0.3%-0.5% by weight, surplus is water.
Described rust removing solution comprises industrial sulphuric acid 20%, salt 4%, thiocarbamide 0.4% by weight, and surplus is water.
Feature of the present invention is: formula is simple, eliminate rust effective, and production cost is low.
Embodiment
The present invention is Cast Iron Surface rust removing solution, it is characterized in that: described rust removing solution comprises industrial sulphuric acid 18%-20%, salt 4%-5%, thiocarbamide 0.3%-0.5% by weight, and surplus is water.
Embodiment mono-: described rust removing solution comprises industrial sulphuric acid 18%, salt 4%, thiocarbamide 0.3% by weight, and surplus is water.
Embodiment bis-: described rust removing solution comprises industrial sulphuric acid 20%, salt 5%, thiocarbamide 0.5% by weight, and surplus is water.
Preferred: described rust removing solution comprises industrial sulphuric acid 20%, salt 4%, thiocarbamide 0.4% by weight, surplus is water.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
Claims (2)
1. Cast Iron Surface rust removing solution, is characterized in that: described rust removing solution comprises industrial sulphuric acid 18%-20%, salt 4%-5%, thiocarbamide 0.3%-0.5% by weight, and surplus is water.
2. Cast Iron Surface rust removing solution as claimed in claim 1, is characterized in that: described rust removing solution comprises industrial sulphuric acid 20%, salt 4%, thiocarbamide 0.4% by weight, and surplus is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310649221.7A CN103668242A (en) | 2013-12-02 | 2013-12-02 | Rust removal liquid for cast iron surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310649221.7A CN103668242A (en) | 2013-12-02 | 2013-12-02 | Rust removal liquid for cast iron surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103668242A true CN103668242A (en) | 2014-03-26 |
Family
ID=50306997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310649221.7A Pending CN103668242A (en) | 2013-12-02 | 2013-12-02 | Rust removal liquid for cast iron surfaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103668242A (en) |
-
2013
- 2013-12-02 CN CN201310649221.7A patent/CN103668242A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |