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FRP Pultruded Profiles Main Performance

Mechanical Properties Test Method Units Glass Mat Roving
Pull Intensity GB1447-83 Mpa 350-700 500-1100
Stretch modulus of Elasticity GB1447-83 Gpa 27-40 30-60
Bending Strength GB1449-83 Mpa 300-720 500-1100
Bending Modulus of Elasticity GB1449-83 Gpa 25-38 30-60
Compression Strength GB1450-83 Mpa 200-500 300-500
Shear Strength GB1450-83 Mpa 25-31 32-55
Impact Ductility GB1451-83 KJ/㎡ 150-300 -
Electrical Properties Test Method Units Glass Mat Roving
Dielectric Strength GB1408-78 KV/mm 10-46 7-15
Surface Resistivity - Ω 1011 - 1013 1010 - 1013
Volume Resistivity GB1410-78 Ω.㎠ 1013 - 1015 1010 - 1013
Mechanical Properties Test Method Units Glass Mat Roving
Linear Expansion Factor GB2572-81 /℃ 8~18x10-5 15~20x10-5
Thermal Conductivity GB3136-82 Kcal/m.h. ℃ 0.17~0.45 0.2~0.45
Heat Deflection Temperature GB1634-76 ℃ >220 >220
Electrical Properties Test Method Units Glass Mat Roving
Density - G/㎤ 1.7~1.9 1.8~2.2
Water Absorption GB1463-78 % 0.1~0.8 0.1~0.5
Barcol Hardness GB3854-83 HB 45~60 ≥50
Oxygen Index GB2406-80 % 26~35 28~35