| Customization: | Available |
|---|---|
| Feature: | Biodegradable |
| CAS No.: | 25038-59-9 |
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GPPS
General Purpose Polystyrene is a kind of thermoplastic resin, is a colorless, odorless, tasteless, shiny, transparent beaded or granular solid. Density is 1.04 to 1.09, transparency is 88% to 92%, refractive index is 1.59 to 1.60. In the stress function, resulting in birefringence, the so-called stress - optical effect. Product of the melting temperature is 150 to 180 ° C, thermal decomposition temperature is 300 ° C, the heat distortion temperature is 70 to 100 ° C, long-term use temperature is 60 ~ 80 °C.
| Item | Test conditions | Test method | Test data | unit |
| Density | ISO 1183:1987 | 1040 | kg/m3 | |
| Water absorption | ISO 62:1999 | <0.1 | % | |
| Melt flow rate | 200°C/5kg | ISO 1133:1997 | 3.8 | cm3/10min |
| Process shrinkage | ISO 294-4:1997 | 0.4-0.6 | % | |
| Charpy impact strength | 1eU | ISO 179:1993 | 15 | kj/m2 |
| Tensile modulus | 1mm/min | ISO 527-2:1993 | 3300 | MPa |
| Elongation | 50mm/min | ISO 527-2:1993 | 3 | % |
| Tensile strength at break | 50mm/min | ISO 527-2:1993 | 55 | MPa |
| Ball indentation hardness H | 358N/30s | ISO 2039-1:1993 | 150 | N/mm2 |
| Bending strength | 2mm/min | ISO 178:1993 | 100 | MPa |
| HDT | 1.8MPa | ISO 75-2:1993 | 84 | °C |
| Linear coefficient of thermal expansion | (23-80)°C | DIN 53 752 | 0.8-1.0 | K-1 |
| Heat conduction | DIN 52 612 | 0.16 | W/mK | |
| Vicat softening point | B50/oil | ISO 306:1994 | 93 | °C |
| Flame retardance | >1.4mm | UL-Standard 94 | 94HB | Class |
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,such as Plastic Cutlery, Toys.
1.Packing:
25kg/bag, or per your requirement.
18-20mt/20'FCL
2.Storage:
The resin should be stored in a drafty, dry warehouse and away from fire and direct sunlight. It should not be piled up in the open air.
3.Transportation:
During transportation, the product should not be exposed to strong sunlight or rain and should not be transported together with sand, soil, scrap metal, coal or glass. Transportation together with toxic, corrosive and flammable substance is strictly prohibited.
1.Quality Assurance. The compancy has advanced and complete facilities of the laboratory, testing room, color room, to ensure the quality of products.
2.Professional Service. We can serve you in 7/24 hours whole year, professional technical communication and recommend the most suitable material for you.
1. Delivery time
a) For the stock items, we can arrange the shippment within 2~3 days after received your payment. For the customized items, we will indicate the delivery time in the quotation list.
2. MOQ&Shipping
a) Full containers by sea
b) Small quantity(>25kg), by air or by LCL or by Express as your requirement
3. Payment term
a) Small quantity recommend West Union
b) Full containers recommend T/T or L/C
4.How is the charge for sample?
Please feel free to negotiate with us.
5. Can you give warranty of your products?
Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with our Quality and Service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail.
6.Can I visit your factory?
Sure, warm welcome. If you have visiting plan, please contact us to make an appointment in advance.
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