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Specifications
1.Corrosion-resistant2.Light weight, high strength
3.Longevity of service, non-maintaining
4.Steady whole performance
GRP Channel for Ladder Rail
The FRP channel products can resist corrosion from various gas or liquid such as acid,alkali,organic solvent and compound.They can be used as ladder material,and used in the electricity industries.
Pultrusion profile is a kind of compound materials which is formed by taking fiberglass as the reinforced material, and taking thermosetting resin as base, the fiberglass continuous roving enable the product to have the extremely high longitudinal strength, the fiberglass mat (continuous strand mat, knitted mat and so on) makes the product have the good transverse strength. The thermosetting resin base is usually the unsaturated polyester resin, the vinly resin, the resin base enable the product to have the good anti-corrosion property, the different resin enables the product to be suitable for various corrosion environment, to add the ultraviolet inhibitor and fire retardant may enable the product to have the outstanding anti-aging property and the different rank anti-flammable property.
Pultrusion Section Bar Function Exponent | |||
(Property) |
Test Method |
Units |
Mean-Value LC/CW |
Tensile Strength |
ASTM D638/GB1447-83 |
MPa |
210/75 |
Tensile Modulus |
ASTM D638/GB1447-83 |
GPa |
22/10 |
Tensile Strength |
ASTM D790/GB1449-83 |
MPa |
302/76 |
Flexural Modulus |
ASTM D790/GB1449-83 |
GPa |
18.6/7.2 |
Compressive Strength |
ASTM D695/GB1448-83 |
MPa |
258/98 |
Compressive Modulus |
ASTM D695/GB1448-83 |
GPa |
19.2/7.2 |
Interlaminar Shea(LW) |
ASTM D2344/GB3357-82 |
MPa |
24.5 |
Charpy Impact Strength |
ISO 179/GB1451-83 |
KJ/sqm |
279 |
Barcol Hardness |
ASTM D 2583 |
------- |
50 |
Elongation to Break |
ASTM D 638/GB1447-83 |
% |
0.9 |
Water Absorption |
ASTN D 570/GB1462 |
% |
0.57 |
Density |
ASTM D792 |
g/cm |
1.8 |
Coefficient of Thermal Expansion |
ASTM D696/GB2572-82 |
10-6./°C |
5.1 |
Flammability Classification |
UL94/GB8924-88 |
------- |
VO(32) |
Tunel Test |
ASTM E-84 |
------- |
25Max |
Flammability Extinguishing |
ASTM D 635 |
------- |
selfextinguishig |
Arc Resistance(LW) |
ASTM D 495/GB1411-78 |
sec/(s) |
120 |
Dielectric Constant(PF) |
ASTM D 150/GB1409-79 |
@60HZ |
5 |
Dielectric Strength (PF) |
ASTM D 149/GB1408-78 |
KV/mm |
8 |
Dielectric Strength(LW) |
ASTM D 149/GB1408-78 |
KV/mm |
1.6 |
Surface Resistance |
ASTM D 257/GB1410-78 |
Ω |
10-10 |
Volume Resistance |
ASTM D 257/GB1410-78 |
Ω.cm |
10-10 |
|
Remarks: LW-lengthwise CW-crosswise PF=Perpendicular to laminate face | |||
Characters:
1.Corrosion-resistant
2.Light weight, high strength
3.Longevity of service, non-maintaining
4.Steady whole performance
5.Anti-ageing
6.Well insulated.
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