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Application scope of GPPS plastic:
General grade polystyrene can be used for daily necessities, electrical appliances, instrument casings, toys, lighting fixtures, household appliances, stationery, cosmetic containers, indoor and outdoor decorations, fruit trays, optical components (such as prisms, lenses), lenses, window mirrors and molds, car lights, telecommunications accessories, electric frequency container films, high-frequency insulation materials, televisions and other containers, waveguides, chemical containers, etc. Suspension polymerization resin can be made into foam plastics with different densities, which can be used as heat insulation, sound insulation, shock prevention, floating, packaging materials, cork substitutes, pre foam body can be used as water filtering medium and light concrete, and low foam plastic can be made into synthetic wood for furniture, etc.
High impact polystyrene (HIPS) with high impact resistance can be injected or extruded into various products, which is suitable for household appliances, electrical appliances, instrument accessories, refrigerator lining, plates, televisions, radio recorders, telephone shells, cultural and educational supplies, toys, packaging containers, daily necessities, furniture, tableware, trays, tableware, structural foam products, etc.

How much do you know about Qimei GPPS material and its main applications?
PG-22 high fluidity - thin meat large-area injection molding TPE, K rubber hardness modification.
PG-33 high liquidity injection products, toys, stationery, decorative panels, lampshades, transparent food containers.
PG-383M colorless and transparent, acrylic substitute, transparent parts for refrigerators, pen holder (with 0 high toughness).
PG-383 foam extrusion board, high rigidity injection product, OPS sheet.
PG-80 high-strength general injection molded food container, bento box packaging container.

What are the differences between PS, PPS, and GPPS plastics?

1. Different molding temperatures

PS: Brittle temperature is around -30 ℃, glass transition temperature is 80-105 ℃.

PPS: Crystallization heat release occurs at 125 ℃, with a glass transition temperature of 150 ℃; Melting point 281 ℃.

GPPS: melting temperature of 150-180 ℃, thermal decomposition temperature of 300 ℃, and thermal deformation temperature of 70-100 ℃.

2. Different performance

PS: It has good electrical performance and is not affected by frequency, environmental temperature, and humidity changes.
3. Different fields of use

PS: Suitable for the light industry market, daily decoration, lighting indicators, and packaging.

PPS: Suitable for making heat-resistant and insulating parts, such as sockets, terminals, hair dryers, lamp heads, warm air heaters, etc.

GPPS: Suitable for making various instrument housings, lampshades, optical components, instrument parts, etc.