Flame retardant PC alloy grade Properties

Flame retardant PC alloy grade Properties

  Properties High flow Standard High flow High impact Filler reinforced
High Stiffness
Dimensional Precision
  Grade SK2706 SK2708 SK3730
Properties Units Test Method condition >PC+ABS-FR(40)< >PC+ABS-FR(40)< >PC+AS-(TD+PD)30FR
(40)<
Density g/cm3 ISO 1183
(JIS K7112)
  1.21 1.19 1.43
Water Absorption % ISO 62
(JIS K7209)
24h 50%RH 0.1 0.1
Fluidity
Melt Volume-Flow Rate(MVR) cm3
/10min
ISO 1133
(JIS K7210)
  260°C
2.16kg
260°C
2.16kg
260°C
2.16kg
20 25 8
Mechanical properties
Tensile Stress at Yield*1 MPa ISO 527-1,2
(JIS K7161, 7162)
  Y64 Y64 74
Nominal tensile strain at break*2 % tB50 tB50 1.5
Flexural Strength MPa ISO 178
(JIS K7171)
  90 96 113
Flexural Modulus GPa 3 2.9 9
Charpy Impact Strength kJ/m2 ISO 179-1
(JIS K7111)
notched
at 23°C
10 10 3
Rockwell Hardness ISO 2039-2
(JIS K7202-2)
R scale/
M scale
Thermal properties
Temperature of deflection under load °C ISO 75-1,2
(JIS K7191-1,2)
0.45MPa 88 88
1.8MPa 78 78 100
Linear Thermal Expansion coefficient ×10-5
/°C
ISO 11359-2   5.8 6.5 (MD/TD)
2.3/4.5
Mould Shrinkage % Idemitsu Method 2mm MD 0.4 0.34 0.17
2mm TD 0.4 0.34 0.19
Flammability
Flammability Rating mm thickness UL94 class/mini-thickness V-1/0.58
V-0/1.0
5VB/0.8
V-1/0.9
V-0/1.5
5VB/1.2
V-1/1.5(BK,NC)
5VB/2.0(BK,NC)
Electrical properties
Dielectric Strength kV/mm IEC 60243-1
(JIS C2110)
  36.3
Arc Resistance PLC level ASTM D495  
Volume Resistivity Ω•cm ASTM D257  
Dielectric Constant IEC 60250 1MHz
Dielectric dissipation Factor 1MHz
Standard Molding Parameters
Cylinder Temperature       240~270°C
(Maximum 280°C)
240~270°C
(Maximum 280°C)
270~280°C
(Maximum 290°C)
Mold Temperature       40~70°C 40~70°C 40~70°C
Pre-drying conditon       80°C,
5~8hours
80°C,
5~8hours
80~100°C,
5~8hours
*1
Y :Yield strength
*2
tB :Nominal tensile strain at break
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