Summary: Repair from damage, 3 respects such as the finishing before spray paint and operation of technology of spray face lacquer are plastic to car automobile body of component repair besmear outfit to undertake elaborating.

Keyword: Car; Plastic; Repair besmear outfit

0 foreword

Plastic use the development to auto industry generally on the car to have important sense, it can reduce the quality of the car, managing the sources of energy not only, make a car safer and comfortable, still compare a metal more be able to bear or endure atmospheric corrosion t, be able to bear or endure benzine, treatment shapes and reduce manufacturing cost to wait easily. When the car plastic an in use because the accident is injured or when coating ageing, need to undertake repairing besmearing installing to its.

1 car is plastic injury is repaired

1. 1 plastic injury and binder

1. 1. 1 plastic injury generally speaking, plastic the lacquer face of a surface always is wanted to affect by injury spare parts noumenon, made generation is injured accordingly, like nick, crackle, abrade, tear off, piercing etc. Want the lacquer range that repair injures, want above all will plastic a rehabilitate, those who make achieve the demand that can feed spray face lacquer, to afore-mentioned injury repair, use method of chemical binder felt normally.

1. 1. The binder with 2 commonly used binder has two kinds: One kind is with epoxy resin or amino formic acid acetyl mixes for matrix and stiffening agent smooth use binder; Another kind is mix for matrix and stiffening agent with polyester smooth use binder. In recent years, the say cyanogen that has super glue reputation base acrylic ester with its original character, be applied stage by stage at plastic felt in.

1. 2 plastic injury is repaired

1. 2. 1 plastic of nick and a crackle repair plastic nick and crackle use binder to repair normally, its repair craft to be as follows:

① is cleaned with water and plastic cleaner wait for repair place, undertake dividing candle, defatted processing to combining the surface;

Before ② uses binder, should will plastic heat to be controlled to 20 ℃ ;

③ reachs activator gush crackle a side, next good in this side apply binder;

④ general nick or crackle two side had been been opposite by former position, rapid impaction, favorable felt result can be achieved after making an appointment with 1min. Finally, felt place is due the curing time of 3 ～ 12h, in order to achieve the greatest bonding strength.

1. 2. 2 plastic an abrade, tear off and repair piercingly repair abrade, tear off and piercing craft is as follows roughly:

① soaks the contamination of place of thoroughly cleared on clean dishcloth injury with the dissolvent that has purify olefin, grease and silicone function, wipe clean next;

So that,grinding of wide place of 10mm of the 6 ～ side aperture of ② general abrade becomes oblique plane at felt, grinding gives rough surface to be helpful for felt; .
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