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PA66 M344 阻燃尼龙 韧性良好 电器用具 连接器
ASCEND Vydyne PA66
Flame-resistant polyamide 66 and 66/6 co-polymers resins designed for V0 flame
resistance and improved electrical insulating properties.
Ignition Resistant PA66 M344 Series
Vydyne® PA66 M344 resins are ignition resistant Nylon 66 resins with UL 94V-0
and UL 94-5VA flammability rating. Available in off-white or black. Lubricated
for machine feed and easy mold release. Vydyne PA66 M344 resins are modified
with halogenated and other ignition resistant additives to provide users a
product that meets Underwriter Laboratories (UL) 94V-0 flammability
classification down to thicknesses of 0.017 inches and 94-5VA down to 0.080
inches in thickness.
Ignition resistant additives generally reduce toughness and ductility when
compared to general purpose, unreinforced 66 type nylon; however, Vydyne PA66
M344 resin has been formulated to minimize such loss in ductility. Vydyne PA66
M344 generally yields more ductile parts than many other nylon and non-nylon
(UL) 94V-0 plastic materials in many commercial applications.
Vydyne PA66 M344 have a comparatively low specific gravity for an improved
ignition resistant resin. Meaningful economic comparisons of molding materials
must be based on cost per cubic inch, which is reduced by lowered specific
gravity.
Mold shrinkage of Vydyne PA66 M344 resins are essentially equivalent to that of
general purpose Nylon 66 resins, which are commonly used in many
electrical/electronic components and other parts requiring a UL 94V-2
flammability rating. Thus, existing tooling for 94V-2 nylon parts can usually
be used to produce 94V-0 or 94-5VA parts from Vydyne PA66 M344, eliminating the
delay and costs involved in retooling.
Typical Applications/End Uses:
The combination of flammability characteristics, engineering thermoplastic
properties, and retention of electrical and physical properties when exposed to
heat in service make Vydyne PA66 M344 resins ideal for applications in the
appliance and electrical/electronic industries. Typical applications include
connectors, terminal blocks, housings, circuit board standoffs, clips, clamps,
fasteners, switch components, and many other industrial parts.
Typical Properties for Vydyne M344
Series
Test temperature 23℃ unless otherwise noted
|
物理性质 |
测试条件 |
干燥成型 |
条件 |
|
比重(克/立方厘米) |
ISO 1183 |
1.27 |
- |
|
成型收缩率(%) |
ISO 294-4 |
|
|
|
2毫米-并行 |
1.3 |
- |
|
|
2毫米-正常 |
1.8 |
- |
|
|
吸水率23℃(%) |
ISO 62 |
|
|
|
24小时 |
0.9 |
- |
|
|
50%相对湿度的平衡 |
2.0 |
- |
|
|
机械性能 |
测试条件 |
干燥成型 |
条件 |
|
拉伸屈服强度(MPA) |
ISO 527 |
60 |
- |
|
拉伸强度断裂(MPA) |
ISO 527 |
- |
75 |
|
伸长率(%) |
ISO 527 |
5.2 |
- |
|
断裂伸长率(%) |
ISO 527 |
35 |
13 |
|
拉伸模量(MPa) |
ISO 527 |
3500 |
3900 |
|
泊松比 |
ISO 527 |
0.41 |
- |
|
弯曲模量(MPa) |
ISO 178 |
3000 |
3150 |
|
弯曲强度(MPa) |
ISO 178 |
90 |
106 |
|
缺口冲击(KJ /㎡) |
ISO 179 |
|
|
|
23℃ |
5.5 |
- |
|
|
-30℃ |
5.2 |
- |
|
|
无缺口简支梁冲击强度(KJ /㎡) |
ISO 179 |
|
|
|
23℃ |
NB |
- |
|
|
-30℃ |
NB |
- |
|
|
悬臂梁冲击强度(KJ /㎡) |
ISO 180 |
5 |
- |
|
热性能 |
测试条件 |
干燥成型 |
条件 |
|
熔点(℃) |
ISO 3146 |
250 |
- |
|
热变形温度(℃) |
ISO 75 |
|
|
|
1.82 Mpa |
65 |
- |
|
|
0.45 Mpa |
186 |
- |
|
|
维卡@50N(℃) |
ISO 306 |
219 |
- |
|
线性热膨胀系数 |
ISO 11359 |
|
|
|
2毫米-并行,23℃-55℃(10-5mm/mm/℃) |
1.0 |
- |
|
|
2毫米-正常,23℃-55℃(10-5mm/mm/℃) |
1.0 |
- |
|
|
电气性能 |
测试条件 |
干燥成型 |
条件 |
|
介电强度(千伏/毫米)(步骤)3毫米 |
IEC 60243 |
13 |
- |
|
体积电阻率(欧姆厘米x1015)3.0毫米 |
IEC 60093 |
3 |
- |
|
比较跟踪指数(伏特)3毫米 |
IEC 60112 |
400-599 |
- |
|
参数 |
单位 |
机器设置 |
|
熔体温度 |
℃ |
255 to 270 |
|
气缸设置 |
℃ |
235 to 270 |
|
模具表面温度 |
℃ |
20 to 90 |
|
注射压力 |
MPa |
55 to 140 |
|
保压压力 |
Mpa |
55 to 140 |
|
注射时间 |
sec |
< 1 to 2.5 |
|
螺杆背压 |
MPa |
0.2 to 1.0 |
|
螺杆转速 |
转 |
60 to 120 |
|
垫 |
毫米 |
3.0 to 6.4 |
|
负压 |
tons/c㎡ |
0.3 to 0.7 |
Vydyne PA66 M344 Series
Specifications and Regulations
Federal*
Conforms to Federal
Specification LP-410a
Military*
Conforms to Military Specifi cation
MIL-M-20693B
*Superseded by ASTM D-4066
