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February
Expanded Polystyrene is a substance derived from the chemical called styrene, which is used in the manufacturing of many chemical products. It is obtained by the process of polymerisation of styrene.
Polystyrene itself, the raw material of the polystyrene foam board, has good low thermal conductivity. After being processed into foam, a dense honeycomb structure is added, which reduces the thermal conductivity again, forming a high thermal resistance and low linear expansion. Features. In addition, eps foam plastic board has extremely low density, low price, and stable chemical structure, making it one of the better thermal insulation materials.
March
The shape of the foam packaging box is mainly made by extrusion of raw materials. The extrusion process is a very important step in the processing of pressure-sensitive adhesives.
GPPS plastics are universal grade polystyrene (GPPS), polystyrene (PS) is made of styrene monomer (SM) polymerization, which can be synthesized by a variety of synthesis methods. At present, bulk polymerization and suspension polymerization are mainly used in industry. PS is a thermoplastic non-crystalline resin, which is mainly divided into general-purpose polystyrene (PPS, commonly known as benzene-permeable), impact-resistant polystyrene (hips, commonly known as benzene modified), and expanded polystyrene (EPS).
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