composite insulation epoxy resin glass fiber rod

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FR4 EPOXY RODS

Material:fiberglass and epoxy resin

Functional test:

1.Horrosion resistance

2.H eat resistance

3.M oisture resistant

4. High insulation

Property index	IEC61109 , DL/T1580-2016 standard requirement	Actual Value
Straightness	Length=1m,≤1.5mm	Length=1m, 0.8mm~1.2mm
Diameter tolerance	<= Φ30 mm: (+0.03~-0.02); >Φ30: (±0.03);	<=Φ30 mm: (+0.03~-0.02); >Φ30: (±0.03);
Roundness	Roundness <0.02 mm	Roundness <0.02 mm
Barcol hardness	65~75 HBa	68~72 HBa
Tensile strength	≥1100MPa	1180~1415 MPa
Bending strength	≥900MPa	950 ~1080MPa
Tearing Strength	>=35MPa	>=50MPa
Water absorption (20±2ºC,24h)	≤0.05%	0.006~0.028%
Dye penetration test	Test time: ≥15min, sample no penetration	Test time: >15min, sample no penetration
Water diffusion test	Leakage current less than≤50μA	Leakage current:18~35μA
Thermo bending strength Test temperature:150 ºC, Test time: 1h, Within 5 minutes	Thermo bending strength 300~350MPa	Thermo bending strength 300~350MPa;
Thermal induced performance test: Test temperature:150±2ºC, Test time: 4h,	No crack, no temperature variation (no surface discoloration).	No crack, no temperature variation (no surface discoloration).
Brittle fracture resistance test 1N HNO3, 80% SML withstand time=96Hrs	No Crack, no broken	No Crack, no broken
Electric puncture Strength	AC: >=30kV/cm DC:>=50kV/cm (+)	AC:>=50kV/cm DC:>=50kV/cm (+)
Dry lightening impulse withstand Voltage (+)	>=+100kV	>=+100kV
Volume Resistance (140ºC)	>=1×1010 (Ω.m)	>=1×1011 (Ω.m)