High Voltage Phenolic Modified Polyester Impregnating Varnish Electrical Insulating Varnish

Model: YA1040
Insulation class: F class (155 °C)
Can be customized

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Description

Model: YA1040

Insulation class: F class (155 °C)

Can be customized

Composition of the Phenolic Modified Polyester Impregnating Varnish: polyester resin, modified resin, xylene, butyl acetate, etc.

No.	Item		Unit		Normal value
1	Appearance		—		Uniform solvation, smooth surface after drying
2	Viscosity,by viscosimeter No.4,at (23±1) °C		s		35±10
3	Solid content at 105±2 °C for2h		%		46±2
4	Electric strength	At room temperature	MV/m		>70
		Flooding after 24 h			>60
		(155±2) °C			>30
5	Volume resistivity	At (23±2) °C	Qcm		>1x1O10
		Flooding after 7 days			>1x106
6	Solvent Resistance		—	No Change, tack-free, non-foaming, not sticky, at least passed 2 of these 5 solvents
	(Benzol, acetone, Methanol, hexane,
	carbon disulfide)
7	Thermal Class	Centigrade	r	>155
	Storage Period	23°C	M	6
8	Recommended	80±5°C/2h, 125±5°C/2 〜4h, 150±10°C/6 〜8h
	Curing Condition	electric resistance reach the steady value

Advantage:

Phenolic Modified Polyester Impregnating Varnish with F grade insulating material. Has excellent mechanical, heat resistance and electrical properties, long-term operating temperature of 155 °C.

Application:

1040 Phenolic Modified Polyester Impregnating Varnish is used for impregnated insulation and protection of F-class motors and electrical windings.

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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