POM WHEEL BACKING ROLLER

ENL. RIT. 1505790-01
Polyoxymethylene (POM), also known as acetal resin, polyoxymethylene, and polyacetal, is a thermoplastic
crystalline polymer, known as "Super Steel" or "Saigang".
密度 Density
|
g /cm3
|
1.39-1.43
|
吸水率 Water absorption
|
%
|
0.2
|
连续使用温度 Working temperature
|
℃
|
-50~105
|
屈服抗拉强度 Tensile strength
|
MPa
|
63
|
屈服拉应变
|
%
|
10
|
极限拉应变
|
%
|
31
|
缺口冲击韧度
|
Kj/㎡
|
6
|
洛氏硬度 Hardness
|
MPa
|
135
|
邵氏硬度
|
MPa
|
85
|
弹性模量
|
MPa
|
2600
|
软化温度 Softer temperature
|
℃
|
150
|
热变形温度HDT
|
℃
|
155
|
热线膨胀系数
|
|
1.1
|
热导率
|
W/(m·K)
|
031
|
摩擦系数
|
|
0.35
|
|