Polytetrafluoroethylene -------- ---- the king of plastics
Teflon is a novel plastic.It was discovered during world war ii, and formal production was only nearly 20 years old.So why is teflon called the "king of plastics"?Because it has many properties that...
Functional properties of PET film are introduced
Polyethylene terephthalate oxalic ester chemical formula for - OCH2 - CH2OCOC6H4CO - English name: polyethylene terephthalate, or PET, for high polymer, by terephthalate dehydration condensation...
Do you know the basic knowledge of paint printing paste?
A paint paste is a colored paste composed of a pigment, an emulsifier, and water. The utility model has the advantages of small fineness, high uniformity, large hiding power, bright color, can be...