mc尼龙是一种新兴高分子材料,其特点是:机械性能好,减摩、
耐磨性能优异、耐腐蚀、吸震、消音、比重小、成本低,易于加工,在mc
尼龙中加入不同的改性剂,其性能更优越,用途更广泛。
物 理 性 能 |
密 度 |
g/cm3 |
1.14 |
吸水率24h长时期 24h soak rate(long time) |
% |
0.02~0.3 0.04~0.7 |
|
摩擦系数:coefficient of friction |
|
0.15 |
|
热 性 能 |
玻璃化温度 vitrification temperature |
℃ |
|
熔点 melting point |
℃ |
235-250 |
|
热变形温度 hot deformation temperature |
(45n/cm2) (180n/cm2) |
204-218 149-218 |
|
线膨胀系数 coefficient of linear expansion |
10-5/℃ |
5-8 |
|
燃烧性combustibility |
cm/min |
自熄(self-blackout) |
|
机 械 性 能 |
屈服强度yield strength |
mpa |
>97 |
拉伸强度stretch strength |
mpa |
>84 |
|
断裂伸长率breaking growth rate |
% |
36 |
|
拉伸弹性模量stretch elasticity modulus |
gpa |
>4.2 |
|
弯曲强度flexure strength |
mpa |
>134 |
|
弯曲弹性模量flexure elasticity modulus |
gpa |
>4.2 |
|
压缩强度compression strength |
mpa |
>125 |
|
剪切强度cut strength |
mpa |
|
|
冲击韧性(筒支梁式)(缺口) impact ductility |
kj/m2 |
不断 |
|
布氏硬度 hb brinell hardness(hb) |
d60~70 |
12.5 r91 |
|
电 气 性 能 |
表面电阻率surface resistivity |
ω |
9.3★1014 |
体积电阻率volume resistivity |
ω.m |
3★1013 |
|
击穿电压dielectric breakdown |
kv/mm |
|
mc nylon is a kind of high polymer material and has the characteristics of good mechanical performance,antifriction,antifriction,superior wear resistanceperformance,corrosion re-
sistance, vibration absorption, amortization, low gravity and low cost. it is easy to
process. when different modifier is put into mc nylon, its performance will be more superior and its applicant will be wider.
几种材料的耐磨损能力比z较表comparative sheet of several materials’ wear resistance