Single Wall Heat Shrink Tubing

Single Wall Heat Shrink Tubing, RSFRNH-BTM Model: RSFRNH-BTM Medium voltage cross-linked polyolefin bus-bar tubing

RSFRNH-BTM is made from specially formulated radiation cross-linked halogen free compounds. This cross-linked polyolefin bus-bar tubing offers excellent tracking and arcing resistance, and insulation enhancement for bus-bar in switchgear and substation.

Features Shrink ratio: 2.5:1 (3:1 is available as required) Flame retardant Anti-tracking Halogen free Tested to IEC60684 standards for medium voltage Applications up to 35kV Continuous operating temperature: -40℃ to 110℃, can be used in 175℃ Shrink temperature:120℃ Typical Applications Busbar insulation Protection against accidental flashover Reduction of busbar clearance Physical and Chemical Properties

Property	Test Method	Standard Performance	Typical Performance
Tensile strength	IEC60684	≥8MPa	10.5MPa
Elongation	IEC60684	≥400%	550%
Tensile strength after heat aging	150℃× 168h	≥5MPa	9.5MPa
Elongation after heat aging	150℃× 168h	≥200%	450%
Heat shock	225℃×4h	No cracking or flowing	No cracking or flowing
Flammability	IEC60684	Passed	Passed
Low temperature	-40℃×4h	No cracking	No cracking

Electrical Property

Property	Test Method	Standard Performance	Typical Performance
Dielectric strength	IEC60684	≥20kV/mm	23kV/mm
Volume resistivity	IEC60684	≥1×1013 Ω.cm	2×1014 Ω.cm
Tracking (2.5kV, 60min)	IEC60684	No cracking	No cracking

Dimensions

Normal Size(mm)	As Supplied (mm)	After Recovered (mm)		Product Packaging (m/plate)
	Inside Diameter (Min)	Inside Diameter	Wall Thickness
Ø20	20	6	2.20±0.3	25
Ø28	28	9	2.60±0.3	25
Ø33	33	10	2.80±0.3	25
Ø40	40	12	2.80±0.3	25
Ø45	45	14	3.00±0.3	25
Ø55	55	16	3.00±0.3	25
Ø65	65	19	3.00±0.3	25
Ø75	75	22	3.00±0.3	25
Ø85	85	25	3.20±0.3	25
Ø95	95	30	3.20±0.3	25
Ø115	115	34	3.30±0.3	25
Ø130	130	36	3.30±0.3	25
Ø160	160	50	3.30±0.3	25
Ø180	180	56	3.30±0.3	25