Eraser for metal descaling

An eraser and metal technology, applied in metal processing equipment, abrasives, manufacturing tools, etc., can solve the problems of air pollution, high cost, flying sand and dust, etc., and achieve the effect of high labor efficiency, wide application and low cost.

Inactive Publication Date: 2009-12-09
莫安琪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sandpaper must be rubbed against the metal surface with force. The fine sand on the sandpaper and the rust spots on the metal surface will rub off against each other, which will easily cause dust flying around, air pollution, and noise caused by friction, which will affect the environment and health.
After the sand on the surface of the sandpaper is polished, it can no longer be used, and it is often necessary to use multiple sheets of sandpaper to meet the rust removal requirements
This method is time consuming and expensive

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] The specific components and weight percentages of the present invention are: 18% of polyvinyl chloride, 19% of plasticizer, 56% of silicon carbide, 1.0% of zinc stearate, 1.5% of foaming agent and 4.5% of zinc oxide.

[0009] In the above formula, polyvinyl chloride can be replaced by rubber resin, silicon carbide can be replaced by carborundum, zinc stearate can be replaced by barium stearate, and the proportions of each item remain unchanged.

[0010] Stir each material according to the above ratio and pour it into the mold evenly, heat it in an oven at 120°C for 15 minutes, then heat it up to 165°C for 20 minutes, and after natural cooling, demould and shape it into a finished rubber product.

Embodiment 2

[0012] Another component and percentage by weight of the present invention are: rubber resin 16.5%, plasticizer 21%, corundum 55%, barium stearate 1.2%, blowing agent 1.3%, zinc oxide 5%.

[0013] In the above formula, the rubber resin can be replaced by polyvinyl chloride, the corundum can be replaced by silicon carbide, and the barium stearate can be replaced by zinc stearate, and the proportions of each item remain unchanged.

[0014] The preparation method is the same as in Example 1.

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PUM

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Abstract

The invention relates to an eraser for metal descaling, which comprises the following components by weight percent: 16-22 percent of resin, 16-21 percent of plasticiser, 54-58 percent of nicalon, 0.8-1.2 percent of heat stabilizer, 1.3-1.6 percent of vesicant and 4-5 percent of thickening agent. The eraser for metal descaling is prepared by stirring and uniformly injecting the materials into a die according to the proportion, heating in an oven for 15 minutes at 120 DEG C, then drying at 165 DEG C for 20 minutes, naturally cooling, and demoulding from the mold for shaping. The eraser has no friction noise during metal descaling, high working efficiency and low cost, can replace tens of pieces of sand paper, and also can replace a household cleaning ball sold on market to clean stains on the surfaces of various kitchen appliances and electric appliances, and the cleaning effect is superior to the cleaning ball.

Description

technical field [0001] The invention relates to an eraser used for removing rust spots on metal surfaces. Background technique [0002] Rust spots on metal surfaces have always been an annoying problem. The most common way to remove metal rust spots is to use sandpaper to polish the metal surface until it is bright. The sandpaper must be firmly rubbed against the metal surface. The fine sand on the sandpaper and the rust spots on the metal surface will rub off against each other, which will easily cause dust flying around, air pollution, and noise caused by friction, which will affect the environment and health. After the sand on the surface of the sandpaper is polished, it can no longer be used, and often requires multiple sheets of sandpaper to meet the rust removal requirements. This method is time-consuming and laborious, and the cost is relatively high. Contents of the invention [0003] In view of the above deficiencies in the prior art, the present invention prov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L21/00C08K13/02C08K3/34C08J9/04B29C39/02B29C39/38B24D11/00
Inventor 莫安琪
Owner 莫安琪
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