　　Epoxy glass fiber insulation sleeve is made of alkali-free glass yarn infiltrated with epoxy resin at a certain angle and then cured at high temperature through wet winding. Epoxy glass fiber insulation sleeve has excellent temperature resistance, weather resistance, insulation properties and physical properties. Widely used in high voltage electrical and other fields

category	parameter
Temperature resistance	B grade 130 degrees, F grade 155 degrees, H grade 180 degrees (temperature resistance level can be customized according to customer needs)
Raw materials	Epoxy resin + alkali-free glass fiber
Product color	Light green, other colors can be customized
Glass fiber content	70～75%
Inner diameter range	6～150mm
Length range	5～2200mm
Wall thickness	≥0.8mm
Surface finish	Can be processed according to customer needs
Mechanical strength	high
Quality Certification	ROHS
Performance test data
Serial number	Test items		unit	Claim	Test results	Detection method
1	density		g/cm3	≥1.70	1.98	GB/T 5132-2009
2	Water absorption		%	≤0.2	0.03	GB/T 23100-2008
3	Axial compression strength		Mpa	≥150	161
4	Shear strength between layers		Mpa	-	35.6
5	Power frequency dielectric loss factor		-	≤5x10-2	5.3x10-3
6	Parallel layer direction withstand voltage (90 ℃ ± 2 ℃ oil 40KV 1min)		-	-	pass	GB/T 5132-2009
7	Vertical layer direction withstand voltage (90℃±2℃ 20KV 1min in oil)		-	-	pass
8	Insulation resistance	normal	Ω.m	-	3.4x1014
9	Insulation resistance	After soaking in water for 24h	Ω.m	-	7.0x1013
10	Partial Discharge	Starting voltage	kV	-	55.1	GB/T 7354-2003
11	Partial Discharge	Extinguish voltage	kV	-	51.8	GB/T 7354-2003
12	Lightning impulse breakdown voltage (axial, normal oil)		kV	-	327	GB/T 1408.3-2007