产品描述

Valox PBT 368物性表

阻燃、冲击改良PBT+PC,脱模。代替360E。

TYPICAL PROPERTIES (1)
MECHANICAL机械性能
Value Unit Standard
Tensile Stress, yld, Type I, 50 mm/min / 抗拉强度,屈服,类型I,50 mm/min
44
MPa
ASTM D 638
Tensile Stress, brk, Type I, 50 mm/min / 抗拉强度, 断裂, 类型I, 50 mm/min
34
MPa
ASTM D 638
Tensile Strain, yld, Type I, 50 mm/min / 拉伸伸长, 屈服, 类型I, 50 mm/min
4
%
ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min / 拉伸伸长,断裂,类型I, 50 mm/min
12
%
ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span / 挠曲强度, 屈服, 1.3 mm/min, 50 mm 跨距
68
MPa
ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span / 挠曲模量, 1.3 mm/min, 50 mm 跨距
1720
MPa
ASTM D 790
IMPACT
Value Unit Standard
Izod Impact, notched, 23°C / 悬臂梁缺口冲击强度23°C
480
J/m
ASTM D 256
Instrumented Impact Total Energy, 23°C / 仪表控制抗冲击总能量,23°C
39
J
ASTM D 3763
THERMAL
Value Unit Standard
HDT, 0.45 MPa, 3.2 mm, unannealed / 热变形温度,0.45 MPa, 3.2 mm,未退火
105
°C
ASTM D 648
HDT, 1.82 MPa, 3.2mm, unannealed / 热变形温度,1.82 MPa, 3.2mm,未退火
65
°C
ASTM D 648
PHYSICAL
Value Unit Standard
Specific Gravity/比重
1.3
ASTM D 792
Mold Shrinkage, flow, 3.2 mm / 模塑收缩量,流动,3.2 mm
0.9 – 1.1
%
SABIC Method
Source GMD, last updated:01/09/1998
Processing
Parameter
Injection Molding
Value Unit
Drying Temperature / 干燥温度
120
°C
Drying Time / 干燥时间
3 – 4
hrs
Drying Time (Cumulative) / 干燥时间(累积的)
12
hrs
Maximum Moisture Content / 最大含湿量
0.02
%
Melt Temperature / 熔体温度
250 – 265
°C
Nozzle Temperature / 注嘴温度
245 – 260
°C
Front – Zone 3 Temperature / 前区3温度
250 – 265
°C
Middle – Zone 2 Temperature / 中区2温度
245 – 260
°C
Rear – Zone 1 Temperature / 后区1温度
240 – 255
°C
Mold Temperature / 模具温度
65 – 90
°C
Back Pressure / 背压
0.3 – 0.7
MPa
Screw Speed / 螺杆速度
50 – 80
rpm
Shot to Cylinder Size / 每次注射量占料筒熔胶总量的百分比
40 – 80
%
Vent Depth / 排气孔深度
0.025 – 0.038
mm
Source GMD, last updated:01/09/1998