Polystyrene
Polystyrene is a clear thermoplastic that is used to manufacture a wide variety of consumer products. Polystyrene is available as both a solid plastic and a rigid foam material. Solid polystyrene is often used to produce products that must be clear and transparent, such as food packaging and laboratory materials. Among the things that are made with solid polystyrene are test tubes, petri dishes, CD holders, Tray and etc.
Our Polystyrene Specification
| TEST NAME | Specification Value | Test Method | Result | unit |
|---|---|---|---|---|
| K-VALUE | 52 < K < 57 | SUNPOR 7.2.4 | 56 | ---- |
| Residual Monomer | ≤ 2000 | GC | 1250 | PPM |
| Pentane content | ≥ 5.2 | SUNPOR 7.2.2 | 6.5 | WT% |
| Moisture content | ≤ 10000 | 7100 | SUNPOR 7.2.3 | PPM |
| Grade | Main Bead Size(mm) | Recommend Density (g/l) 1st expansion Batch Exp. 2nd expansion Continue Exp. | Aging Time (Hours) | Application |
|---|---|---|---|---|
| SE-1000 | 1.25 - 1.60 | 11.5 7.5 | 4 - 6 | Large Parts Packaging & Insulation Board |
| SE-2000 | 1.00 - 1.25 | 12 8 | 4 - 6 | Medium Parts Packaging & Insulation Board |
| SE-3000 | 0.70 - 1.00 | 13 9 | 4 - 6 | Small Parts Packaging & Insulation Board |
| SE-4000 | 0.50 - 0.80 | 14 10 | 4 - 6 | Small Parts Packaging & Insulation Board |
Properties:
- Appearance: Pure White Powder
- Specific Gravity: Approx. 1.03
- Main Composition: polystyrene: 93 ~ 96%
- Blowing Agent: 4 ~ 7 %
- LOI: 28-30
- Melting Point: 165 to 175 °C
Polystyrene
Polystyrene is the basic material of plastic, which is a kind of transparent, very hard and water-absorbing polymer compound, known as PS. The thermal and electrical insulation of polystyrene sheets is widely used in building construction. This sheet is produced in three common types, Heimpack sheet and expanded polystyrene. Polystyrene is most widely used in the preparation of disposable plastic containers, children's toys, making sports equipment, electrical industries, sanitary ware and even the automobile industry. This product has another resistant type called Copolymer or Himpak sheet, which is a modified and resistant version of polystyrene. This type of sheet is widely used in the manufacture of household appliances such as refrigerators and freezers.
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