LEXAN™ LS1树脂是一种熔融指数MFR 20的聚碳酸酯，MVR为21。耐紫外线，UL94 HB等级，耐候性UL746C f1，低粘度，用于汽车镜头应用。
LEXAN™LS2树脂是一种熔融指数MFR 11的聚碳酸酯，MVR为12。耐紫外线，UL94 HB等级，耐候性UL746C f1。
|
特性 |
LS1 | LS2 |
单位 |
检测标准 |
|
MECHANICAL |
|
|
|
|
|
Tensile Stress, yld, Type I, 50 mm/min |
62 | 62 |
MPa |
ASTM D638 |
|
Tensile Strain, brk, Type I, 50 mm/min
|
125 | 130 |
MPa |
ASTM D638 |
|
Flexural Stress, yld, 1.3 mm/min, 50 mm span
|
96 | 96 |
% |
ASTM D790
|
|
Flexural Modulus, 1.3 mm/min, 50 mm span
|
2340 | 2340 |
%
|
ASTM D790 |
|
IMPACT
|
|
|
|
|
|
Izod Impact, notched, 23°C
|
694 | 801 |
J/m
|
ASTM D256
|
|
Tensile Impact Strength, Type S
|
472 | 577 |
kJ/m²
|
ASTM D1822
|
|
Falling Dart Impact, 23°C
|
169 | 169 |
J |
SABIC method
|
|
Instrumented Dart Impact Energy @ peak, 23°C
|
62 |
63 |
J |
ASTM D3763
|
|
THERMAL |
|
|
|
|
|
HDT, 1.82 MPa, 6.4 mm, unannealed
|
129 | 132 |
°C |
ASTM D648 |
|
Relative Temp Index, Elec
|
130 | 130 |
°C |
UL 746B
|
|
Relative Temp Index, Mech w/impact
|
125 |
130 |
°C |
UL 746B
|
|
Relative Temp Index, Mech w/o impact
|
125 |
130 |
°C |
UL 746B
|
|
PHYSICAL
|
|
|
|
|
|
Specific Gravity
|
1.2 | 1.2 |
- |
ASTM D792
|
|
Water Absorption, (23°C/24hrs)
|
0.15 | 0.15 |
% |
ASTM D570 |
|
Mold Shrinkage, flow, 3.2 mm
|
0.5-0.7 | 0.5-0.7 |
% |
SABIC method
|
|
Melt Flow Rate, 300°C/1.2 kgf
|
20 | 11 |
g/10 min
|
ASTM D1238 |
|
OPTICAL
|
|
|
|
|
|
Light Transmission, 2.54 mm
|
88 | 88 | % |
ASTM D1003
|
|
ELECTRICAL
|
|
|
|
|
|
Hot Wire Ignition {PLC)
|
4 | 4 |
PLC Code
|
UL 746A
|
|
High Voltage Arc Track Rate {PLC}
|
2 | 2 |
PLC Code
|
UL 746A
|
|
High Ampere Arc Ign, surface {PLC}
|
1 |
1 |
PLC Code |
UL 746A |
|
Comparative Tracking Index (UL) {PLC}
|
2 | 2 | PLC Code |
UL 746A |
|
FLAME CHARACTERISTICS
|
|
|
|
|
|
UL Yellow Card Link
|
E121562-220970
|
E207780-228443
|
|
|
|
UL Recognized, 94HB Flame Class Rating
|
1.47 | 1.47 | mm |
UL94 |
|
UV-light, water exposure/immersion
|
F1 | F1 | - |
UL 746C |
|
INJECTION MOLDING
|
|
|
|
|
|
Drying Temperature
|
120 | 120 |
°C
|
|
|
Drying Time
|
3-4 |
3-4
|
Hrs
|
- |
|
Drying Time (Cumulative)
|
48 |
48 |
Hrs
|
- |
|
Maximum Moisture Content
|
0.02 |
0.02 |
% |
|
|
Melt Temperature
|
280-305 | 295-315 |
°C |
|
|
Nozzle Temperature
|
275-300 |
290-310 |
°C |
|
|
Front - Zone 3 Temperature
|
280-305 | 295-315 |
°C |
|
|
Middle - Zone 2 Temperature
|
270-295 | 280-305 |
°C |
|
|
Rear - Zone 1 Temperature
|
260-280 | 270-295 |
°C |
|
|
Mold Temperature
|
70-95 | 70-95 |
°C |
|
|
Back Pressure
|
0.3-0.7 |
0.3 – 0.7
|
MPa
|
|
|
Screw Speed
|
40-70 |
40-70 |
rpm
|
|
|
Shot to Cylinder Size
|
40-60 | 40-60 | % |
|
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