|
序号
(No.)
|
检验项目
(Items)
|
技术要求
(Technique Request)
|
|
1
|
外观(Exterior)
|
白色流动型
|
|
2
|
粘度(Viscosity Pa S)
|
5~50
|
|
3
|
比重(Specific gravity 23℃)
|
1.20~1.40
|
|
4
|
表面干燥时间(Tack free time MIN)
|
5~40
|
|
5
|
邵氏硬度(Hardness JIS A)
|
18~30
|
|
6
|
断裂伸长率(Elongation %)
|
200~350
|
|
7
|
抗拉强度(Tensile strength MPa)
|
0.8~1.5
|
|
8
|
体积电阻率(Volume resistivity Ωcm)
|
≥4×1014
|
|
9
|
击穿电压(Strength
of breakdown voltage kv/mm) |
18~25
|
|
10
|
介电常数(Dielectric constant 1MHZ)
|
2.5~4.0
|
|
11
|
介电损耗角正切(Dielectric loss 1MHZ)
|
≤4×10-3
|
|
12
|
导热率(Thermal conductivity w/m.K)
|
0.3~0.8
|