Voltage class 6 ~24kV busbar Flame retardant Halogen free insulation tube Raychem/Tyco :BPTM insulation tube Product Code Cross References  Raychem/Tyco        :BPTM  DSG CANUSA       :CBTM  3M                 :BBI Clearance Reduction Guide 

Bus bar Type	Applicable Product	Min. Clearance Required(mm)
		Electrode toelectrode	Electrode toground	Electrode toelectrode	Electrode toground
Round sectionalUp to 24 kV	S1(n)-10	75	85	85	95
Rectangle sectionalUp to 24 kV	S1(n)-10	85	95	90	100

 Technical Details:

Test item	Test standard	Typical Data
Density	ASTM D2671	1.1~1.15
Water absorption 336hrs at 23	ASTM D570	<0.2%
Tensile strength<4.0mm/0.18inch wall>4.0mm/0.18inch wall	ASTM D2671	>14Mpa>12Mpa
Ultimate Elongation	ASTM D2671	>500%
Accelerated Ageing 168hrs at 136Tensile strengthUltimate Elongation	ASTM D2671	>12Mpa>400%
Low temperature flexibility 4hrs at -40	ASTM D2671	No cracking
Dielectric strength2mm/0.08inch wall2.5 mm/0.10inch wall3 mm/0.12inch wall	ASTM D2671	>25kV/mm>20kV/mm>17kV/mm
Volume resistivity	ASTM D2671	>1014Ω.cm
Tracking and erosion resitance	ASTM D2303	After 1hrs at 2.5kV,1hrs at 2.75kV, no tracking
Heat shock 4hrs at 200	ASTM D2671	No drop no flow
Resistance to selected fluids 168hrs at 23Tensile strengthUltimate Elongation	IEC 60684-2	>8Mpa>250%
Copper corrosion 158 for 168hrs	IEC 60684-3	Pass
Long term ageing 3000hrs at 120Elongation at break	IEC 60684-2	>175%
Thermal endurance	/	105
Color fastness to light	IEC 60684-3	Contrast between exposed and unexposed partsThe color no change

 Product Selection

S1(n)-10	a + bmin. ~ max.(mm)		dmin. ~ max.(mm)		min. thickness for 6-24kV shrink on the bus bar (mm)	Standard Packing(m/roll)	Standard Packing(roll/Box)
Φ25/10	15	25	10	18	1.6	25
Φ30/12	22	35	15	25	1.6	20
Φ40/16	28	45	20	30	1.6	20
Φ50/20	38	55	25	40	1.6	20
Φ65/25(Φ75/30)	45	65	35	50	1.6	20
Φ85/35(80/32)	55	90	40	60	1.6	20
Φ100/40	70	110	50	80	1.6	20
Φ120/50	90	140	60	95	1.6	20
Φ150/60	105	180	70	120	1.6	20
Φ175/75	130	210	85	140	1.6	20
Φ210/85	140	260	95	170	1.6	20

Bus bar insulation tube