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Core Features

Milky white opaque, significantly better impact resistance than GPPS, good toughness and thermal stability, easy to color. The cost is the loss of transparency, as well as a decrease in tensile strength and hardness.

Mainstream solution

Adding rubber (usually butadiene) during the styrene polymerization process to form a modified system of rubber dispersed phase. According to the different rubber content and melt index, it is divided into injection grade, extrusion grade, high flow grade and other grades.

Key data

-Melt index: 4.4~4.8 g/10min (200 ℃/5kg)
-Tensile yield stress: 28.8-29 MPa
-Impact strength of simply supported beam gap: 14-17 kJ/m ²
-Vicat softening temperature: 95~97 ℃

Typical Applications

Home appliance casings (televisions, air conditioners, washing machines), refrigerator liners/door linings, office equipment casings, food trays, cup lids, yogurt containers, toys, furniture components.