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Certificate
GPPS—Generral polystyrene
Specification：
Item Test condition Test method Test data Unit physical Melt flow rate 200° C ASTM D-1238 17.5 g/10min Combustion ratio --- UL-94 1/16 --- mechanical Tensile strength --- ASTM D-638 425 kg/cm2 Elongation at break --- ASTM D-638 2.0 % Flexural modulus --- ASTM D-790 3.1× 104 kg/cm2 Flexural strength --- ASTM D-790 540 kg/cm2 Rockwell hardness --- ASTM D-785 74 M IZOD impact strength 1/8" ASTM D-256 1.5 kg. cm/cm IZOD impact strength 1/4" ASTM D-256 1.4 kg. cm/cm Thermal Vicat softening point --- ASTM D-1525 87 ° C HDT --- ASTM D-785 75 ° C
5kg(cond. G)
Grade: injection grade , film grade,etc
Tech grade: nature grade, recycle grade
Colour: nature transparent, white , black,etc ( or as client request)
Packing: 25kg/bag ( or as client request)
Use:
1. Food packaging.
2. Electrical industrial, instrumentation, communications equipment industry and other various instruments has been widely used as a shell, lamp, optical parts, equipment parts, transparent windows mirror, transparent model, acid, chemical storage tank, acid tank transport, telecommunications components, high frequency capacitors, high frequency insulation pads, brackets, inserts and frozen insulating materials.
3. All kinds of daily necessities. Toys.
GPPS-123 Features-modified heat resistance, easy to melt and flow, excellent mechanical strength.Usage-medical tube, tubularis, food package, substitution of paper, selling cup, pen.
GPPS-153D Features-perfect heat resistance, excellent mechanical strengthUsage-insulation instrument panel.
GPPS-232 Features-modified heat resistance, exceptional mechanical strength.Usage-CD box, drink cup, egg box, extrusion package materials, package of makeup, medical appliances, vegetable box in refrigerator.
GPPS-251 Features-perfect heat resistance, better mechanical strengthUsage-shower cover, insulation sheet, tape, injection moulding or blowing moulding package of makeup.
GPPS-350 Features-perfect heat resistance, exceptional mechanical strengthUsage-foam insulation XPS, package materials, bothway sheet(OPS).