Neovar B 302

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Description

Good Bonding-Firmly bonds the wires

Provides Stable Hardness

Resists hot transformer oil

Dries fast ensuring rapid service to customers

Durable Insulation

Excellent Water Resistance

Product Description

NeoVar B 302 is a synthetic resin based air drying varnish providing Class B (Temp. index 130⁰C) insulation. It dries fast and cures to form a amber golden colour film over wire windings. Its other features are durable insulation and quick baking property. Its ability to penetrate deep ensures complete insulation even at inaccessible areas thereby giving longer life to winding.

Application Areas

NeoVar B 302 is suitable for medium and low voltage stator winding of motors, fans, field coils, transformers and chokes. It is also used for finishing varnish for windings and electrical components. It is widely used by rewinder’s for the repairing of motor stators, fans and choke windings. Its resistance to hot transformer oil makes it suitable for transformers.

Technical Data

*Properties*	*Method*	*Standard Values*
Colour	----	Amber Golden
Viscosity	F/C B-4/ at 30ºC	60 – 70 secs
Sp. Gravity	at 30ºC	0.86+- 0.01
Non Volatile matter	2gms/120ºC/1hr	41 ± 1%
Flash Point	Open Cup	38ºC
Effect on enameled wire	----	No reaction
Reaction of Varnish with Copper	----	No reaction
Compatibility with Thinner	Varnish:Thinner	1:8 min
Drying Properties
Touch Dry	At RT	60 min.
Drying Time in thin layer	At RT	180 min.
Recommended drying schedule	20 hrs At Room Temperature or 30 min. at R/T & then 3 hours @105ºC
Properties of cured film
Flexibility	Mandrel apparatus	No crack observed
Dielectric strength	@ 30ºC @ 130ºC after 24 hrs immersion in water	60 KV/mm 26 KV/mm 23 KV/mm
Effect of Transformer oil		No effect
All the testing have done as per IS : 10026 (Part III) – 1983

Surface Preparation & Application Method

Ensure before application, wire windings are free from moisture and other impurities. NeoVar B 302 can be applied by any suitable method like brushing / pouring / dipping /impregnation.

Packing , Storage & Shelf life

Available in 900 gm, 21 kg, 180 kg pack sizes. Store in a cool & dry place.

Shelf life – 1 year from date of manufacture in original sealed container at Room Temperature.

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Neovar B 302 Insulating Varnish

Reviews & Ratings

Product Description

Application Areas

Technical Data

Surface Preparation & Application Method

Ensure before application, wire windings are free from moisture and other impurities. NeoVar B 302 can be applied by any suitable method like brushing / pouring / dipping /impregnation.

Packing , Storage & Shelf life

Available in 900 gm, 21 kg, 180 kg pack sizes. Store in a cool & dry place. Shelf life – 1 year from date of manufacture in original sealed container at Room Temperature.

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Available in 900 gm, 21 kg, 180 kg pack sizes. Store in a cool & dry place.

Shelf life – 1 year from date of manufacture in original sealed container at Room Temperature.