SMC Insulating sheets
SMC Insulating Sheet is made from chopped fiberglass strands impregnated with unsaturated polyester resin through high temperature and high pressure molding process. It is a kind of excellent FRP insulator. The SMC Insulating Sheet can be made into various colors.
APPLICATIONS.
- Mechanical / Electrical Application: electronic insulating board of high or low voltage switchgears, insulation structural parts, air conditioner bases, mechanical parts, machine & instrument casings, electronic / electric laminated sheet boards, etc.
-Transportation Application: Car door panels, hoods, cable boxes, odometers, instrumental panels, shades, etc.
- Building Materials: Door panels, water tanks, purification tanks, ceiling panels, wall panels, bathroom water proof panels, sinks, bathtubs, etc.
- Furniture Industry: Chairs, tables, work table face panels, student desks & chairs, screens, etc.
Product characteristics:
High mechanical strength.
Good flame retardancy
Flame retardancy and proof tracking
Excellent dielectricity, high voltage resistance
Low water absorption ratio, Good Dimensional Stability and low warp
Specifications
|
Regular sizes |
Color |
|
2500mm*1500mm*3~30mm |
Various colors:
White, black, red, green, blue, yellow, orange, etc. |
|
2440mm*1220mm*3~30mm |
|
2000mm*1300mm*3~40mm |
|
2000*1000mm*2~40mm |
|
850*850*2~60mm |
|
Note: Other specifications can be made upon clients’ requests. |
Technical Parameters
|
|
Standard |
GB/T 23641-2009, Q/DFJ-01-2009, Q/DFJ-02-2009 |
|
Serial No. |
Properties |
Unit |
Value |
|
SMC-0 |
SMC-1 |
SMC-2 |
|
1 |
Density |
g/cm³ |
1.7~1.9 |
1.7~1.9 |
1.7~1.95 |
|
2 |
Water Absorption |
Mg |
≤15 |
≤15 |
≤20 |
|
3 |
Shrinkage Rate |
% |
≤0.05 |
≤0.15 |
≤0.25 |
|
4 |
Heat Distortion Temperature (A) |
°C |
≥240 |
≥240 |
≥220 |
|
5 |
Thermal Endurance Index |
- |
≥155 |
≥155 |
≥140 |
|
6 |
Arc resistance |
S |
≥180 |
≥180 |
≥150 |
|
7 |
Impact strength
(Charpy non-notch ) |
JS/m2 |
≥90 |
≥60 |
≥50 |
|
8 |
Bending strength |
Mpa |
≥170 |
≥160 |
≥140 |
|
9 |
Insulation resistance |
At room temp. |
Ω |
≥1.0*1013 |
≥1.0*1013 |
≥1.0*1012 |
|
|
After 24h in water |
≥1.0*1012 |
≥1.0*1012 |
≥1.0*1010 |
|
10 |
Dielectric Strength(in transformer oil at 90°C) |
MV/m |
≥12 |
≥12 |
≥10 |
|
11 |
Proof Tracking Index ( PTI ) |
V |
≥600 |
≥600 |
≥600 |
|
12 |
Flammability |
Grade |
F V0 |
F V0 |
F V1 |
|
13 |
Relative Permittivity 1MHz |
- |
≤4.5 |
≤4.5 |
- |
|
14 |
Dissipation Factor (1MHz) |
- |
≤0.015 |
≤0.015 |
- |
|
15 |
Withstand Voltage
(1 min in air) |
KV |
See the following Table 1# |
Note: Special technical requirements are negotiable.
Table 1#
|
Nominal Thickness |
3mm |
4mm |
5~6mm |
>6mm |
|
Withstand Voltage
(1 min in air) |
≥28KV |
≥35KV |
≥42KV |
≥50KV | |
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