Plastic materials played an important role in our daily life greatly, and tend to use more and more functions because of substitution of natural resources. Such as wood and iron as well and are cheap.According to the selected from kinds of raw materials, chemical reactions, the production process and the process of forming. It can also be prepared by adding the treasure easy additives (Additives), such as additive of plastic (Plasticizer).(Modifier) additive (Filler) of intact (Stabilizer) inhibitor reaction (Inhibitor) lubricants (Lubricant) and pigments (Pigment)
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