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Suzhou Jufeng Electrical Insulation System Co., Ltd.

Universal Epoxy Low-Solvent Varnish manufacturer / supplier in China, offering Jf310s-6 Grade B and F Universal Epoxy Low-Solvent Varnish, Epoxy-Resin Prepreg Nomex Flexible Laminates Nomex with Heat-Resistant Epoxy Resin, Rich Resin Mica Tape and so on.

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Jf310s-6 Grade B and F Universal Epoxy Low-Solvent Varnish

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Product Description

1. Description
JF310S-6 Grade B and F universal epoxy low-solvent varnish  is composed of bisphenol Type A epoxy resin, imine modified TOA, curing agent, promoting agent, solvent and a small amount of solvent, etc. The product shall be stored in single component and can be used directly.
JF310S-6 Grade B and F universal epoxy low-solvent varnish is low-viscosity liquid under room temperature, the storage period of the varnish is 6 months, and it cures under 135  ~ 140 . with little volatilization during curing. the condensate of the varnish shows excellent electric and mechanical performance as well as dust-proof, moisture proof and mold proof. Application of the this varnish is found in insulating treatment for coils in various types of transformers and Grade B and Grade F middle/small transformers and low-voltage motors
 
2. Technical parameters of the product
S/N
Names of Properties
Testing Conditions
Unit
Unit
1
Appearance
Volume resistivity
--
Brown transparent viscous liquid, no mechanical impurity
2
Viscosity
#4 viscosity meter (23±1)
S
2040
3
Drying time for the varnish film
in an oven, 150±2
h
2
4
Solids content
--
%
50±3
5
Volume resistivity
Normal state
Ω.m
≥1×1012
6
Electric strength
Normal state
MV/m
≥70
7
Temperature index
--
155
8
Storage period
25 Dark
Month
6

1. Description
JF310S-6 Grade B and F universal epoxy low-solvent varnish  is composed of bisphenol Type A epoxy resin, imine modified TOA, curing agent, promoting agent, solvent and a small amount of solvent, etc. The product shall be stored in single component and can be used directly.
JF310S-6 Grade B and F universal epoxy low-solvent varnish is low-viscosity liquid under room temperature, the storage period of the varnish is 6 months, and it cures under 135  ~ 140 . with little volatilization during curing. the condensate of the varnish shows excellent electric and mechanical performance as well as dust-proof, moisture proof and mold proof. Application of the this varnish is found in insulating treatment for coils in various types of transformers and Grade B and Grade F middle/small transformers and low-voltage motors
 
2. Technical parameters of the product
S/N
Names of Properties
Testing Conditions
Unit
Unit
1
Appearance
Volume resistivity
--
Brown transparent viscous liquid, no mechanical impurity
2
Viscosity
#4 viscosity meter (23±1)
S
2040
3
Drying time for the varnish film
in an oven, 150±2
h
2
4
Solids content
--
%
50±3
5
Volume resistivity
Normal state
Ω.m
≥1×1012
6
Electric strength
Normal state
MV/m
≥70
7
Temperature index
--
155
8
Storage period
25 Dark
Month
6
 
 
3.  Application process for reference
Pre-baking of the workpiece∶100 ~ 120      1h ~ 2h                  
Varnish submerging∶40 ~ 50        20 min~ 30min
Varnish submerging ≥1h
Drying∶80 ~ 90        1h ~ 2 h
135 ~ 140      4 h~ 6h
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