Polystyrene Flame Retardant Grade

Polystyrene Flame Retardant Grade 
PS 難燃級
Property
物性
Test Methodbr
測試方式
Unit
單位
Value
數值
Melt Flow Index
熔融指數
ASTM D-1238   230oC x 2.16kg g/10min 4.5
Tensile Strength at Yield
拉力降伏強度
ASTM D-638     23oC kg/cm2 200
Tensile Strength at Break
拉力斷裂強度
ASTM D-638     23oC % 28
Flexural Modulus
彎曲模數
ASTM D-790A     23oC kg/cm2  23000
Hardness
硬度
ASTM D-785     23oC R-Scale 74
Izod Impact Strength
衝擊強度
ASTM D-256     23oC kg-cm/cm 5.5
Melting Point
熔點
ASTM D-648 at 4.6kg/cm
Unannealed1/4"
oC 94
Molding Shrinkage
縮收率
FCFC     23oC %  0.5
Specific Gravity
比重
ASTM D-792    23oC/23oC   1.09

Typical properties can be subject to change without further notice