High Quality General Purpose Alkyd Impregnated Insulating Varnish for Transformers

Insulation class: B
Temperature: long-term working temperature is 130℃
Packing: 4kg, 7kg, 17kg, 180kg

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Description

Type: YA1032 Melamine Alkyd Impregnated Insulating Varnish

Insulation class: B

Temperature: long-term working temperature is 130℃

Packing: 4kg, 7kg, 17kg, 180kg

YA1032 Melamine alkyd impregnated insulating varnish is composed of butanol modified amino resin, modified alkyd resin, drying agent, curing agent and diluent.

Item		Unit	Requirement
Appearance		—	The paint solution should be dissolved evenly, without turbidity and impurities, and the paint film should be smooth.
Viscosity 4# viscometer (23 2)℃		s	40±8
Solid content (105±2)℃, 2H		%	50±2
Paint film drying time (105±2)℃, ≤2		h	Not Sticky
Thick layer curing capability		—	No less than S1, U1, and 14.2
Stability of paint in open containers		—	The viscosity length value shall not exceed 4 times of the initial value.
Effect of paint on enameled wire		—	Pencil hardness ≥ H
Diameter of elastic mandrel 3mm，（150 ±2）℃,≥30h		—	No cracking
Electrical strength	23 ±2℃	Mv/m	≥70
Volume resistivity	130±2℃		≥30
	23±2℃ Soaking 24h		≥60
	23±2℃	Ω • m	≥1.0*1012
	130±2℃		≥1.0*107
	23±2℃ Soaking 7d		≥1.0*108
Solvent vapor resistance (benzene, acetone, methanol, ethane, carbon disulfide)		—	There is no change in the adhesion of the paint layer, and there are at least two of the five solvent experiments without peeling, foaming, dripping and sticky (slightly sticky is allowed).
Temperature Index		—	≥130

Advantage:

YA1032 Melamine alkyd impregnated insulating varnish has high dryness, dielectric properties, smooth, hard and shiny film.

Application:

YA1032 Melamine alkyd impregnated insulating varnish is used for dipping electrical winding and insulation parts of Class B motors, generators, transformers and other motors, especially suitable for wet and hot areas.

Notice:

1. During slitting and use, edge gaps and cracks should be prevented to avoid tearing during operation and to avoid surface scratches, oil and dust pollution.

2. Store in an environment below 40℃, keep clean and dry, away from heat sources, and avoid direct sunlight.

3. The storage period is one year. If it exceeds the storage period, it can still be used if it passes the test according to the technical requirements.

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