High Quality Polystyrence EPS/Expandable Polystyrene

Product Specifications

Prod Model:	wylw
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Brand Name:	Sinopec
Model Number:	EPS
PS Virgin:	White
EPS Recycle:	Balck
Place Of Origin:	Hebei China (Mainland)
Nm:	Wy
Grade1:	Fire Resistant Material
Grade2:	Flame-Retardant Grade
Grade3:	Common Grade
Characteristic:	Thermoplastic Resin
Molecular Principal Chain:	Carbon Chain Polymer
Synthetic Resin:	Polyurethane Resin
Natural Resin:	Rosin
Color:	White

Product Description

Introduce:
E. P. S. (Expandable Poly Styrene) is a lightweight, rigid, plastic foam insulation material produced from solid particles of polystyrene. Expansion is achieved by virtue of small amounts of pentane gas dissolved into the polystyrene base material during production. The gas expands under the action of heat, applied as steam, to form perfectly closed cells of EPS. These cells occupy approximately 40 times the volume of the original polystyrene bead. The EPS beads are then molded into appropriate forms suited to their application. Products made from foamed polystyrene are nearly ubiquitous, for example packing materials, insulation, and foam drink cups.

1. Characteristics: 
Good flame-retardant, good frothing good preserving, good binding and low heat-conducting rate.        
Oxygen index over 30 (testing after 7-14 days flowing)         
        
2. Application:   
This Flame retardant grade EPS can be used as building-materials, materials for heat preservation, thermal insulation and for packing precision instruments   

3. Storage:
The EPS series products of our company need to be put on the place where it is cool and ventilated, keep the storage temperature below 20°C in order to minimize the lost of frothing agents from escaping. The lower the temperature is, the better the quality is. The products should avoid rain, fog, snow and lighting up from the sun, static electricity and flame. Once the package material of the products is open, it should be used up as quickly as possible. Otherwise, the remaining EPS might lose its function due to escaping of foaming agents. If the EPS is stored too long, the expandable times might decrease. Rate (one time)Foam DensityApplications

ecification			Diameter of granularity(mm)	Density of foamed granule(g/l)	Residual single content(RM%)
Fire resistant material		F-102	1.6-2.5	11.8-12.5	0.1-0.2
		F-103	1.2-1.6	11.8-12.5
		F-104	0.8-1.2	12.5-15.4
		F-105	0.6-0.9	13.3-16.7
		F-106	0.4-0.7	15.4-20.0
Universal material	Middle class material	E-102	1.6-2.5	10.5-12.5	0.3-0.5
		E-103	1.2-1.6	10.5-12.5
		E-104	0.8-1.2	11.8-14.3
		E-105	0.6-0.9	12.5-15.4
		E-106	0.4-0.7	14.3-18.2
	Light class material	P-102	1.6-2.5	8.7-9.0	0.4-0.7
		P-103	1.2-1.6	8.7-9.0
		P-104	0.8-1.2	8.7-10.0
		P-105	0.6-0.9	8.7-10.0
		P-106	0.4-0.7	11.1-13.3

E	Standard material	With stable bubbling times and long preservation	For packing container, panel, floating ball slow-weight material, arts and crafts.
F	Fire resistant material	With high strength, fast forming, high foaming and oxygen index	For building materials, civil engineering, composite plate, heatpreservation and insulation materials
B	Fast material	With energy saving, fast foaming and forming.	For slow-weight material and fast processing
P	Extra-light material	With high times and glossiness	For fish box, fluit and vegetable box as well as light panel
G	Special specification material		For special purpose including arts and crafts etc
R	Color material		For safety hat and arts and crafts
J	Antistatic material		For electric appliances that have special antistatic requirements
H	Extra-light material	With high strength and hardness	For safety hat and container

technical requirement

Name of indexecification	Commest chargesE	Fire resistant chargesF
Content of foaming agent	≤6.8%	≤6.8%
Residual phenethylene	≤0.6%	≤0.2%
Water content	≤1.0%	≤1.8%
Sieving rate of granule	≥90%	≥90%
Limit oxygen index	/	≥30