Questions & Answers on EPS Recycling Technology

Q: What is EPS? A: Expanded Polystyrene (EPS) is made from PS resin granules impregnated with a blowing agent (typically pentane). Expanding beads fuse together to form the finished product, which is white, and 95 to 98 percent air and another 2 to 5% is polystyrene which is pure hydrocarbon. Small beads are used for cups …

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