LEXAN HFD4472 is a 20% glass filled, medium flow, impact modified, injection moldable grade designed for high flow and superior surface appearance. HFD4472 has enhanced mold release, impact ductility and broad color space.
聚碳酸酯HFD4472 20%玻纤填充,介质流,影响修改,注塑级,高老东西和优越的表面抛光性。HFD4472增强脱模,冲击韧性和广泛的颜色空间。
物性表
Property
TYPICAL PROPERTIES (1)
MECHANICAL
Value
Unit
Standard
Tensile Stress, yld, Type I, 5 mm/min
550
kgf/cm2
ASTM D 638
Tensile Stress, brk, Type I, 5 mm/min
570
kgf/cm2
ASTM D 638
Tensile Strain, yld, Type I, 5 mm/min
2
%
ASTM D 638
Tensile Modulus, 5 mm/min
56000
kgf/cm2
ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span
940
kgf/cm2
ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span
49900
kgf/cm2
ASTM D 790
Tensile Stress, yield, 5 mm/min
54
MPa
ISO 527
Tensile Stress, break, 5 mm/min
56
MPa
ISO 527
Tensile Strain, break, 5 mm/min
2
%
ISO 527
IMPACT
Value
Unit
Standard
Izod Impact, unnotched, 23°C
81
cm-kgf/cm
ASTM D 4812
Izod Impact, notched, 23°C
19
cm-kgf/cm
ASTM D 256
Instrumented Impact Total Energy, 23°C
305
cm-kgf
ASTM D 3763
Izod Impact, unnotched 80*10*3 +23°C
47
kJ/m2
ISO 180/1U
Izod Impact, unnotched 80*10*3 -30°C
43
kJ/m2
ISO 180/1U
Izod Impact, notched 80*10*3 +23°C
18
kJ/m2
ISO 180/1A
Izod Impact, notched 80*10*3 -30°C
13
kJ/m2
ISO 180/1A
Charpy 23°C, V-notch Edgew 80*10*3 sp=62mm
21
kJ/m2
ISO 179/1eA
Charpy -30°C, V-notch Edgew 80*10*3 sp=62mm
13
kJ/m2
ISO 179/1eA
Charpy 23°C, Unnotch Edgew 80*10*3 sp=62mm
59
kJ/m2
ISO 179/1eU
Charpy -30°C, Unnotch Edgew 80*10*3 sp=62mm
59
kJ/m2
ISO 179/1eU
THERMAL
Value
Unit
Standard
HDT, 0.45 MPa, 3.2 mm, unannealed
132
°C
ASTM D 648
HDT, 1.82 MPa, 3.2mm, unannealed
128
°C
ASTM D 648
CTE, -40°C to 40°C, flow
3.E-05
1/°C
ASTM E 831
CTE, -40°C to 40°C, xflow
8.E-05
1/°C
ASTM E 831
CTE, 23°C to 80°C, flow
3.E-05
1/°C
ISO 11359-2
CTE, 23°C to 80°C, xflow
8.E-05
1/°C
ISO 11359-2
Ball Pressure Test, 125°C +/- 2°C
PASSES
-
IEC 60695-10-2
Vicat Softening Temp, Rate B/120
135
°C
ISO 306
Relative Temp Index, Elec
80
°C
UL 746B
Relative Temp Index, Mech w/impact
80
°C
UL 746B
Relative Temp Index, Mech w/o impact
80
°C
UL 746B
PHYSICAL
Value
Unit
Standard
Specific Gravity
1.33
-
ASTM D 792
Mold Shrinkage, flow, 3.2 mm (5)
0.2 - 0.3
%
SABIC Method
Mold Shrinkage, xflow, 3.2 mm (5)
0.4 - 0.5
%
SABIC Method
Melt Flow Rate, 300°C/1.2 kgf
10
g/10 min
ASTM D 1238
Density
1.33
g/cm3
ISO 1183
Water Absorption, (23°C/sat)
0.12
%
ISO 62
Moisture Absorption (23°C / 50% RH)
0.04
%
ISO 62
Melt Volume Rate, MVR at 300°C/1.2 kg
9
cm3/10 min
ISO 1133
ELECTRICAL
Value
Unit
Standard
Dielectric Constant, 1.9 GHz
3.16
-
SABIC Method
Dissipation Factor, 1.9 GHz
0.0099
-
SABIC Method
FLAME CHARACTERISTICS
Value
Unit
Standard
UL Recognized, 94HB Flame Class Rating (3)
0.4
mm
UL 94
Source GMD, last updated:2014/06/19
Processing
Parameter | ||
Injection Molding | Value | Unit |
Drying Temperature | 120 | °C |
Drying Time | 3 - 4 | hrs |
Drying Time (Cumulative) | 48 | hrs |
Maximum Moisture Content | 0.02 | % |
Melt Temperature | 290 - 310 | °C |
Nozzle Temperature | 280 - 305 | °C |
Front - Zone 3 Temperature | 290 - 310 | °C |
Middle - Zone 2 Temperature | 275 - 300 | °C |
Rear - Zone 1 Temperature | 265 - 290 | °C |
Mold Temperature | 70 - 95 | °C |
Back Pressure | 0.3 - 0.7 | MPa |
Screw Speed | 40 - 70 | rpm |
Shot to Cylinder Size | 40 - 60 | % |
Vent Depth | 0.025 - 0.076 | mm |
Source GMD, last updated:2014/06/19 |
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