Hangzhou Epsole Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of eps resin polystyrene granules raw material in China. We warmly welcome you to buy high quality eps resin polystyrene granules raw material for sale here from our factory. Good service and reasonable price are available.
EPS(Expandable Polystyrene) is a lightweight, rigid, plastic foam insulation material produced from solid particles of polystyrene. Expandsion is achieved by virtue of small amounts of pentane gas dissolved into the polystyrene base material during production.The gas expands under the action of heat, applied as steam, to form perfectly clesed cells of EPS.
Material Composition:
Polystyrene: A synthetic aromatic hydrocarbon polymer made from the monomer styrene.
Additives: May include flame retardants, colorants, or other modifiers depending on the application.
Physical Properties:
Lightweight: The granules are very light, contributing to the low density of the final EPS products.
Expandable: Can be expanded up to 40 times their original size when exposed to steam and heat.
Manufacturing Process:
Pre-expansion: Granules are heated with steam to expand and form pre-expanded beads.
Aging: The beads are allowed to sit to stabilize their size and shape.
Molding: The pre-expanded beads are placed in a mold and heated again to fuse into a solid structure.
Cooling and Cutting: The formed EPS block or shape is cooled and cut to the desired dimensions.
Applications:
Packaging: Widely used for protective packaging of electronics, appliances, and other fragile items.
Insulation: Used in construction for thermal insulation in buildings and cold storage facilities.
Consumer Goods: Found in products like coolers, surfboards, and craft materials.
Automotive: Used for lightweight components and protective packaging during transport.
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