Polystyrene (PS) granules: is composed of styrenemonomer (SM) polymerization, can be synthesized by a variety of synthetic methods, the current industry mainly by bulk polymerization and suspension polymerization.
Polystyrene(PS) is a thermoplastic non-crystalline resin, mainly divided into General Purpose polystyrene (GPPS), High Impact polystyrene (HIPS) and Expandable Polystyrene (EPS) .
1. Polystyrene foam (Expanded Polystyrene referred to as EPS) is a light-weight polymer. It is the use of polystyrene resin into the blowing agent, while heating to soften, produce gas,forming a hard closed-cell structure foam Plastic.
2.Impact resistant polystyrene (HIPS) is an impact resistant polystyrene product produced by adding polybutyl rubber particles to polystyrene.
EPS(Expandable Polystyrene) is a lightweight, rigid, plastic foam insulation material produced from solid particles of polystyrene. Expandsion is achieved by virtue of small amounts of pen/tane gas dissolved into the polystyrene base material during production.The gas expands under the action of heat, applied as steam, to form perfectly clesed cells of EPS.
EPS Flame Retardant Material | |||||
Technical Data Sheet | |||||
Pruduct | EPS F-301 | EPS F-302 | EPS F-303 | EPS F-401 | EPS F-501 |
Density (g/L) | 12 -14 | 14 - 16 | 15 - 18 | 18-25 | 25 - 30 |
Particle Size (mm) | 1.00 - 1.60 | 0.85 - 1.25 | 0.70 -0.90 | 0.50 -0.80 | 0.40 - 0.60 |
Foaming Rate | 75-85 | 70-80 | 65-75 | 60-70 | 55-65 |
Foaming Agent Content (%) | 6.2 - 7.3 | 6.2 - 7.3 | 6.2 - 7.3 | 6.2 - 7.3 | 6.2 - 7.3 |
Styrene Residue (%) | ≤ 2000 | ≤ 2000 | ≤ 2000 | ≤ 2000 | ≤ 2000 |
Moisture (%) | ≤ 2 | ≤ 2 | ≤ 2 | ≤ 2 | ≤ 2 |
Coating (ppm) | ≤ 3200 | ≤ 3200 | ≤ 3200 | ≤ 3200 | ≤ 3200 |
Oxygen index (%) | ≥ 30 | ≥ 30 | ≥ 30 | ≥ 30 | ≥ 30 |
EPS Standard Material | |||||
Pruduct | EPS E-301 | EPS E-302 | EPS E-303 | EPS E-401 | EPS E-501 |
Density (g/L) | 12 -14 | 14 - 16 | 15 - 18 | 18-25 | 25 - 30 |
Particle Size (mm) | 1.25 - 1.65 | 1.00 - 1.30 | 0.75 - 1.00 | 0.60 -0.80 | 0.50 - 0.70 |
Foaming Rate | 80-95 | 75-85 | 70-80 | 65-75 | 60-70 |
Foaming Agent Content (%) | 6.2 - 7.3 | 6.2 - 7.3 | 6.2 - 7.3 | 6.2 - 7.3 | 6.2 - 7.3 |
Styrene Residue (%) | ≤ 2000 | ≤ 2000 | ≤ 2000 | ≤ 2000 | ≤ 2000 |
Moisture (%) | ≤ 2 | ≤ 2 | ≤ 2 | ≤ 2 | ≤ 2 |
Coating (ppm) | ≤ 3200 | ≤ 3200 | ≤ 3200 | ≤ 3200 | ≤ 3200 |
Expanded polystyrene with relatively low density (1.05 g/cm3), low thermal conductivity, low water absorption, impact resistance, heat insulation, sound insulation, moistureproof, vibration damping and excellent dielectric properties, widely used in mechanical equipment, instruments and meters, household electric, crafts and other valuable products easily damaged, shockproof packaging materials as well as the fast food packaging.
Flame retardant EPS grades confer excellent processing and product properties Consistent raw bead and good fluidity of foamed bead Rapid expansion Relatively low density in second-time expansion. Excellent flame retardation with the US UL Product Security Certification. Wide range of operation and suitable for various block machines, automatic machines and manual presses. Fine cell, beautiful and flat appearance. Low shrinkage rate of block in molding. Recommended 40-70 expansion ratio to increase as per several-time expansion.
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1. Delivery time
a) For the stock items, we can arrange the shippment within 5~10 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?
Free samples available, shipping cost to be borne by the buyer.
5. What's your package?
Basically our packing is 25 kg per bag.
6. 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.