1)Excellent physical, mechanical ;
2)Electrical properties;
3)Fire resistant and retardant prope.
This product has excellent physical, mechanical and electrical properties, as well as fire resistant and retardant properties. The fire resistance reaches the stipulation of Grade FV-0 of China Standard GB/T13488-92. It is suitable for making various kinds of electrical and electronic fabrications with fire retardant and insulation properties, eg. anode cap and kinescope for TV set.
| DH-Z140 | DH-Z150 | DH-Z160 | DH-Z170 | DH-Z250 | DH-Z260 | DH-Z270 | |
Appearance | gray or white color,no obvious extraneous matter | |||||||
Density | g/cm3 | |||||||
1.42±0.03
1.47±0.03
1.52±0.03
1.56±0.03
1.47±0.03
1.52±0.03
1.56±0.03
Hardness
Shore A Points
40±3
50±3
60±3
70±3
50±3
60±3
70±3
Tensile Strength | MPa≥ |
4.5
5.0
5.5
5.0
5.0
5.5
5.0
Elongation at Breakage | % ≥ |
400
350
300
220
350
300
220
Tension Set | % ≤ |
8
7
7
6
10
12
10
Tear Strength | kN/m ≥ |
13
15
15
15
15
15
15
Volume Resistivity | Ω.cm |
5.0X1014
Dielectric Strengt
kv/mm
20
Fire Resistance | class |
FV-0
Physical and Mechanical Properties are based on first vulcanization data, Electrical Properties are drawn from second vulcanization data.
First vulcanization condition for test piece: 175×5min Second vulcanization condition for test piece: 200×2h.
Vulcanizator: 80% DMDBH,quantity added 1.0% .
