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Resiglass Tape / Polyglass Tape
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Resiglass Tape / Polyglass Tape

Vardhman Polyglass tape

is made of undirectional layer of cabled glass impregmnted Under tension with a modified thermo setting resin for class 'H' Insulation.

Vardhman Ployglass Tape can Successfully replace steel bnd with the following advantages.

1. Under Layer inulation is not required.

2. Increased resistance to humidity and corrosion.

3. Electrical losses and flash over hazards are reduced.

4. Band is bonded to the winding improving stability.

Vardhman Polyglass Tape

is supplied in 'B' tape semi-cured Resin system.

The Free flow charecteristic of the resin avoids air space in the band there by Improves heat dissipation factor and greatly adds its stability under all operating.

Dimension and Tolerance

Characteristics Unit Value
Thickness mm 0.30  ± 0.05 mm
Tolerance on tape width mm Up to 25 mm ± 1.5 mm
Above 25 mm ± 2.0 mm
Normal length of roll mtr 100 ( +5, -0)

Characteristics of polyglass tape- as sipplied

Characteristics Unit Value
Resin content % 27 ± 2
Yarn width Nos 30 ± 1
Sealing (solder)test - When hot pressed with solder iron at 160 + 2 degree ,the resin of tape should flow and stick other layers within 1 minute.
Identification of resin - High quality polyster
Koeffler's softening point of resin ºC 200 (Max)
Tensile strength N/cm 2500 min
Maximum pull during banding N/cm (of width) 1000
Recommended curing cycle at 150º c hours 5
Shelf life (kept in 15 ºc ) month 12
Weight loss (after keeping 200 ºc for 400 hrs) % 10 max

Characteristics of polyglass tape -after application  & curing

We offer to supply resiglass/polyglass banding tapes for insulation purposes in armature coils and other coils of electrical machines, motors,transformers core, generator & other equipments etc
Characteristic Unit Value
Max temperature withstand ºC 200
Cured tape thickness (approx) mm 0.25
Breaking load ( after curing) N/mm (min) 260
Resistance to humidity - No sign of crack, damages
Resistance to saline water - No sign of crack , damages
Elongation at break
At 20 ºC
At 200 ºC


1.6 (max)
2.0 (max)
Arc resistance Second >= 120

Resiglass  / Polyglass Tape

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