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EPS Flame Retardant
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.
specification | 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 | |||
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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 | |||
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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 | |||
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Characteristic and application of expandable polystyrene
Granularity of expandable polystyrene includes 4 kinds: 103,104,105 and 106 according to normal application size.
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 |
