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苏州奇辑化工有限公司
主营：塑料生产厂家,塑胶厂家价格,工程塑料报价,通用塑料厂家,三菱化学Durabio价格,免喷涂塑料哪家好
苏州奇辑化工有限公司
主营：塑料生产厂家,塑胶厂家价格,工程塑料报价,通用塑料厂家,三菱化学Durabio价格,免喷涂塑料哪家好
9
Optical grade with UV cut-off up to 400 nm, greater optical purity than standard grades. For needs of sunglass and sunvisor markets. MFR of 25.
光学级紫外截止到400纳米，大于标准等级的光学纯度。
Sabic LEXAN OQ4120R物性表
Property
TYPICAL PROPERTIES (1)
MECHANICAL
Value
Unit
Standard
Tensile Stress, yld, Type I, 50 mm/min
630
kgf/cm2
ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min
110
%
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
23500
kgf/cm2
ASTM D 790
IMPACT
Value
Unit
Standard
Izod Impact, notched, 23°C
65
cm-kgf/cm
ASTM D 256
Instrumented Impact Energy @ peak, 23°C
553
cm-kgf
ASTM D 3763
THERMAL
Value
Unit
Standard
HDT, 1.82 MPa, 6.4 mm, unannealed
126
°C
ASTM D 648
PHYSICAL
Value
Unit
Standard
Specific Gravity
1.2
-
ASTM D 792
Mold Shrinkage, flow, 3.2 mm (5)
0.5 - 0.7
%
SABIC Method
Melt Flow Rate, 300°C/1.2 kgf
25
g/10 min
ASTM D 1238
Source GMD, last updated:2000/01/04
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 | 270 - 295 | °C |
| Nozzle Temperature | 265 - 290 | °C |
| Front - Zone 3 Temperature | 270 - 295 | °C |
| Middle - Zone 2 Temperature | 260 - 280 | °C |
| Rear - Zone 1 Temperature | 250 - 270 | °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 |