(EPS) is a product of styrene polymerization with the introduction of an expanding agent (gas) in the polymer composition. EPS is used in polymer processing into insulating panels and ready-to-use parts by expanding. The material has excellent heat-insulation and sound-proofing properties, high impact strength, vibration resistance, resistance to light, water repellency, dustproofness, and resistance to physical processing. The material is resistant to hydrolysis, oils, acids, solutions of alkalis and acids.

EPS is widely used in construction for production of panels for heat insulation

of walls and suspended ceilings (expanded plastic), as well as for production of thin-wall goods, fire-resistant industrial and food packaging.

Polystyrene is most commonly found in three forms. Rigid Polystyrene (PS), Expanded Polystyrene (EPS) and Extruded Polystyrene (XPS).

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Grades     Bead size      per-expansion Density     Foam Multiply     Foam Density          Typical Application


F50         1.6-1.9                             11                        60-75           10-20         Insulation,big packing ,flame retardant


F100      1.2-1.6                             13                        47-65           14-22         Insulation,big packing ,flame retardant


F150       1.0-1.2                             14                       42-60             16-30         Insulation,big packing ,flame retardant


F250      0.73-1.0                           15                        35-55             20-35        Medium density,packing,flame retardant


F350     0.5-0.73                            16                       28-50              22-40      High density,special use,flame retardant


F200      0.9-1.3                          13-20                                      packing product,insulation application,flame retardant


F300       0.7-0.9                          14-20                                               Small parts and thin wall with good surface finish


F400     0.4-0.7                           18                                                                packing product,insulation application


R200     0.9-1.4                           13-25                                                            Food contact,insulation application


R300      0.7-0.9                          13-25                                                            Food contact,insulation application


R400     0.4-0.7                            18                                                               Food contact,insulation application


F101          1.2-1.8                                                                           12-20        packaging product, insulation application


F105        1.2-1.8                                                                           12-20        packaging product, insulation application


F201         0.9-1.3                                                                          13-20      packaging product, insulation application


F205         0.9-1.3                                                                           13-18      packaging product for food contact


F305         0.7-1                                                                               16-22    packaging product for food contact


F405        0.4-0.7                                                                         Above 20    cases and packaging product

Data Sheet

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