First of all, putty can be divided into three categories: plastic surface putty, oil surface putty and plastic old putty according to different purposes.
Plastic surface putty
It is made of oil base varnish, dry powder, chemical glue and gypsum powder and is mainly used for the flat top wall surface of original paint.
Oiled surface putty
Made from oil-based varnish and gypsum powder, it is mainly used for steel wood doors and windows coatings.
Old plastic putty
Made of old powder, chemical glue, gypsum powder and bone glue, it is mainly used for flat coating in water-based paints.
Second, according to the performance is divided into water putty and 821 putty. Water-resistant putty is a putty with a certain water resistance. 821 putty is not available
Water-resistant putty.
Finally, putty according to the paint base is divided into nitro putty, oil putty, latex putty, ester putty, unsaturated polyester putty, water putty, oily putty and so on.
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