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F-SRB Silicon Rubber Glass Fiber Sleeve

It is knitted as sleeve with alkali-free glass fiber yarn which is after heat sulfuration treatment and is externally coated silicon rubber. It has excellent dielectric property, higher heat resistance, well cold resistance, plasticity and flexibility which is applied in wiring insulation and machine protection for H-level electric machine and special electric appliance.

Voltage Grade

Product	Min. Average Breakdown Voltage	Testing Standard	Note
F-SRB7000	7000V	UL1441
F-SRB10000	10000V	UL1441
F-SRB15000	15000V	UL1441

Dimension Specification

Standard Inner Diameter(mm)	Inner Diameter Tolerance(mm)	Min. Wall Thickness(mm)
		F-SRB7000	F-SRB10000	F-SRB15000
1.0-2.5	+0.30-0.00	0.68
3.0-4.0	+0.40-0.00	0.83
5.0-6.0	+0.60-0.00	0.90
7.0-9.0	+0.80-0.00	0.97
10.0-12.0	+1.00-0.00	1.15

Working Temperature

Capability	Index
Flexibility after heating	There has not eyeable crack or flake on coat, primitive colors is visible, testing temperature is 260±5℃，48±1 hour.
Low Temperature Flexibility	There has not eyeable crack or flake on coat, primitive colors is visible, testing temperature is 70±5℃,60±10 hour.
Flame Overspread	Maximum degree is 60 second, the mark flag can’t be burnt away in each of three tests, and the cotton can’t be fired by burning grain
Heat longevity, temperature index of 2000 hours	200℃

Color: it can be made according to the customers’color board