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Metal derusting agent

A rust remover, metal technology, applied in the field of metal rust remover, can solve the problems of economic loss, easy to rust, affect the appearance quality, etc., to achieve the effect of reasonable formula, simple process and environmental protection

Inactive Publication Date: 2014-02-05
QINGDAO LIANGLI PRECISION CASTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Metal is prone to rust when placed outdoors or in the open air, which not only affects the appearance quality, but also affects the normal progress of painting, bonding and other processes. If it is not handled in time, it will cause scrapping of materials and unnecessary economic losses
Most of the existing rust removers contain toxic ingredients that are harmful to the human body and endanger human health.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] A metal rust remover, characterized in that: it is composed of the following raw materials in weight ratio, hydrochloric acid 100-400g / L, phosphoric acid 20-50g / L, oxalic acid 200-500g / L, sodium lauryl sulfate 20-50g / L, sodium carboxymethyl cellulose 20-50g / L, and deionized water for the rest.

Embodiment 2

[0010] A metal derusting agent, characterized in that: it is composed of the following raw materials in weight ratio, hydrochloric acid 300g / L, phosphoric acid 20g / L, oxalic acid 400g / L, sodium lauryl sulfate 50g / L, carboxymethyl cellulose Sodium 50g / L, the rest deionized water.

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PUM

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Abstract

The invention discloses a metal derusting agent. The metal derusting agent is prepared from the following raw materials in concentration: 100-400g / L of hydrochloric acid, 20-50g / L of phosphoric acid, 200-500g / L of oxalic acid, 20-50g / L of sodium lauryl sulfate, 20-50g / L of sodium carboxymethyl cellulose and the balance of deionized water. The metal derusting agent has the advantages that the formula is reasonable, the derusting effect is good, and the metal derusting agent is environmental-friendly, non-toxic, energy-saving and pollution-free.

Description

technical field [0001] The invention belongs to the technical field of metal surface derusting chemistry, and in particular relates to a metal derusting agent. Background technique [0002] Metal is easy to rust when placed outdoors or in the open air, which not only affects the appearance quality, but also affects the normal progress of painting, bonding and other processes. If it is not handled in time, it will cause scrapping of materials and unnecessary economic losses. Most of the currently existing rust removers contain toxic components harmful to the human body and endanger human health. Contents of the invention [0003] The object of the present invention is to provide a metal derusting agent with reasonable formula, good derusting effect, environmental protection, non-toxic, energy-saving and pollution-free. [0004] Technical solution of the present invention is: [0005] A metal rust remover, characterized in that: it is composed of the following raw material...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G1/02
Inventor 段文良
Owner QINGDAO LIANGLI PRECISION CASTING
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