Medium Voltage Insulation Tape

DENSONS HEAT SHRINKABLE MEDIUM VOLTAGE INSULATION TAPE
Anti-Track adhesive coated Heat Shrink Tape specially designed for insulation & protecting medium voltage bus bar upto 36 kV

Features

Reduces bus bar clearance requirements

Protects against accidental flashover

Halogen free

Shrink Temperature : 120^o C

Anti-track

Continuous operation temperature: -25^o C to 130^o C

Medium Voltage Insulation Tape,Heat Shrink Medium Voltage Insulation Tape

Dimensions

Availabale in width of 25 mm & 50 mm

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Technical Data

Properties	Requirements	Testing Method
Physical
Tensile Strength	8 N/mm²(min.)	ASTM D 412, ISO 37
Ultimate Elongation	200% (min.)	ASTM D 412, ISO 37
Volume Resistivity	1 x 10¹² ohms.cm.(min.)	ASTM D 257
Low Temperature Flexibility
(4 hrs at - 20^o C)	No cracking	ASTM D 2671
Flammability	Self Extinguishing	ASTM D 2671
Heat Ageing (7 days at 175^o C)
Tensile Strength	7 N/mm2 (min.)	ASTM D 2671
Elongation	200% (min)	ASTM D 2671
Heat Shock	No cracking or flowing	ASTM D 2671
Electrical
Dielectric Strength	500 V/mil (20 kV/mm)	ASTM D 149
Dielectric Constant	3.4	ASTM D 150
Tracking Resistance	Non-Trackig	ASTM D 2303
Corrosion	No corrosion	ASTM D 2671
Water Absorption	0.5% (max.)	ASTM D 570
Adhesive
Adhesive Softening Point	100^o C	ASTM D28
Low Temperature Flexibility	-25^o C	ESI0913
Tracking Resistance	Non-Tracking	ASTM D2303

Medium Voltage Bus Bar Tape

For Service upto 36 kV over bolted Bus Bar
ORDERING REF. Number	ROLL WIDTH (min.)	BACKING THICKNESS RECOVERED (Nom)	ROLL LENGTH
X	mm	mm	m
DHSIT - 1	25.0	1.00	5	Enquiry
DHSIT - 2	50.0	1.00	5	Enquiry

Installation Instruction
A 2/3 overlap is recommended
One layer application required up to 17 kV
Two layer application required up to 25 kV
Three layer application required up to 36 kV

Clearance with Insulation

For Service upto 36 kV over bolted Bus Bar
SYSTEM VOLTAGE	BIL kV	p to p (mm)	p to g (mm)
15 kV	95	64	74
17 kV	110	86	106
25 kV	125	114	152
36 kV	175	200	285

P to p : phase to Phase orientation Spacing based on metal to metal.
p to g : Phase to ground orientation dimensions prior to insulation.
Space based on insulation wall thickness per application range of above tables.

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