Specifications

Flame Retardant:C- Self Extinguishing Grade
Regular Grade:
A Standard Grade
B High Expansion Grade
D Fast Cycling Grade

1. Description

 

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.

 

2. Properties

 

Main Component: 92%~96% polystyrene

Appearance: Colorlessly transparent or opaque tiny beads

Density: about 1.04

Bulk density: about 0.6

3. EPS Classifay

4. Parameter Tale

 

Grade	Specification	Bead Size(Diameter)	Expandable Rate (one time)		Foam Density	Applications
A-Standard Grade		mm	Times		g/l
	A-103	1.00-1.60	70-90		11-14	Block and low density products
	A-104	0.85-1.25	65-85		12-15	Products more than 12mm thick
	A-105	0.70-1.00	60-75		13-17	Medium density packaging products
	A-106	0.50-0.80	55-70		14-18	Products more than 8mm thick
	A-107	0.40-0.60	50-65		15-18	Products more than 6mm thick
	A-108	0.30-0.50	35-50		20-28	Moulding and special products i.e. headpieces
Grade	Specification	Bead Size(Diameter)	Expandable Rate (one time)		Foam Density	Applications
B-High Expansion Grade		mm	Times		g/l
	B-103	1.00-1.60	80-100	180-200	10-12.5	Electronics packing, block, craftwork,box etc. Especially used for low density block
	B-104	0.85-1.25	70-90	160-180	11-14
	B-105	0.70-1.00	60-80	130-150	12.5-13
	B-106	0.50-0.80	50-60	100-130	13-18
	B-107	0.40-0.60	30-40	60-90	25-33
	B-108	0.30-0.50	20-35	40-70	18-50
Grade	Specification	Bead Size(Diameter)	Expandable Rate (one time)		Foam Density	Applications
C-Self Extinguishing Grade		mm	Times		g/l
	C-102	1.40-2.00	50-70		14-20	Block
	C-103	1.00-1.60	45-65		15-22	Block and big packaging product
	C-104	0.85-1.25	40-65		15-25	Block and big packaging product
	C-105	0.70-1.00	40-60		17-25	Block and medium density packing product
	C-106	0.50-0.80	30-50		20-33	High density block and special products
	C-107	0.40-0.60	25-40		25-40	High density block and special products
	C-108	0.30-0.50	20-40		25-50	High density block and special products
Grade	Specification	Bead Size(Diameter)	Expandable Rate (one time)		Foam Density	Applications
D-Fast Cycling Grade		mm	Times		g/l
	D-103	1.00-1.60	60-70		14-17	Electronics packaging, block and Chinaware packing and high density products
	D-104	0.85-1.25	50-65		15-20
	D-105	0.70-1.00	40-60		17-25
	D-106	0.50-0.80	35-55		18-29
Grade	Specification	Bead Size(Diameter)	Expandable Rate (one time)		Foam Density	Applications
AB-Special Grade		mm	Times		g/l
	AB-101	More Than 2.00	70-80		12.5-14	Low density block and float ball
	AB-102	1.40-2.00	80-90		11-12.5	Low density block and float ball
	108P	0.25-0.4	20-40		25-50	Stuffing and cup
Grade	Specification	Bead Size(Diameter)	Expandable Rate (one time)		Foam Density	Applications
H-Prevent Static Grade	Surface Impedance 109-1012					Nicety packing and antistatic packing
CA-COLORFUL Grade	Production According to Client Demand

 

 

5. Applications

Liaoning Longguang engineering plastic Co.,Ltd

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