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Suzhou Jufeng Electrical Insulation System Co., Ltd.

Fire Retardant Solvent-Free Submerging Resin manufacturer / supplier in China, offering Jf-9952-2 Halogen-Free Fire Retardant Solvent-Free Submerging Resin for Transformers, Stator Coil, Wind Driven Coil and so on.

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Supplier Homepage Product Insulation Jf-9952-2 Halogen-Free Fire Retardant Solvent-Free Submerging Resin for Transformers

Jf-9952-2 Halogen-Free Fire Retardant Solvent-Free Submerging Resin for Transformers

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Product Description

1. Description
   This product is composed of modified heat resistant unsaturated polyester, halogen-free fire retardant resin, evocating agent, active dilyents, etc. It is featured in fire retarding, fast curing, little volatilization, strong permeability, long  period of storge, good technological adaptability, etc. This product avoids secondary harm caused by toxic or harmful gases which is produced during the combustion. It represents a new generation of environmental-friendly fire retardant products.  being an insulation resin specific for Grade F and Grad H dry-type transformers.
2. Technical parameters of the product
S/N
Names of Properties
Testing Conditions
Unit
Target Values
1
Appearance
Bare eye observation
 
Light brown and yellowish transparent liquid
No mechanical impurity
2
Viscosity
#4 viscosity meter
(23±1
s
3060
3
Density
25±2
g/cm3
1.05±0.05
4
Gel time
135±2
min
515
5
Thick layer curing capability
140±22h
 
Reaching S1.U1.I2.2
6
Electric strength
Normal state
155±2
180±2
MV/m
≥22
≥20
≥18
7
Volume resistivity
Normal state
after submerged in water for 24h180±2
Ω·m
≥1×1012
≥1×1011
≥1×108
8
Bonding strength
(Spiral coil method)
Normal state
N
≥100
9
Medium consumption factor
Normal state
155±2
%
≤1.0
≤4.0
10
Fire retardancy
-----
Grade
FH1
12
Stability in storage
60±296h
Times
≤1
 
3.Application process for reference
3.1 Common submerging process
Pre-baking of the workpiece∶120 ~ 130         2h ~ 3h
1. Description
   This product is composed of modified heat resistant unsaturated polyester, halogen-free fire retardant resin, evocating agent, active dilyents, etc. It is featured in fire retarding, fast curing, little volatilization, strong permeability, long  period of storge, good technological adaptability, etc. This product avoids secondary harm caused by toxic or harmful gases which is produced during the combustion. It represents a new generation of environmental-friendly fire retardant products.  being an insulation resin specific for Grade F and Grad H dry-type transformers.
2. Technical parameters of the product
S/N
Names of Properties
Testing Conditions
Unit
Target Values
1
Appearance
Bare eye observation
 
Light brown and yellowish transparent liquid
No mechanical impurity
2
Viscosity
#4 viscosity meter
(23±1
s
3060
3
Density
25±2
g/cm3
1.05±0.05
4
Gel time
135±2
min
515
5
Thick layer curing capability
140±22h
 
Reaching S1.U1.I2.2
6
Electric strength
Normal state
155±2
180±2
MV/m
≥22
≥20
≥18
7
Volume resistivity
Normal state
after submerged in water for 24h180±2
Ω·m
≥1×1012
≥1×1011
≥1×108
8
Bonding strength
(Spiral coil method)
Normal state
N
≥100
9
Medium consumption factor
Normal state
155±2
%
≤1.0
≤4.0
10
Fire retardancy
-----
Grade
FH1
12
Stability in storage
60±296h
Times
≤1
 
3.Application process for reference
3.1 Common submerging process
Pre-baking of the workpiece∶120 ~ 130         2h ~ 3h
                      
Varnish submerging∶40 ~ 50          20min ~ 30min
Dripping of varnish∶ Room temperature       ≥1h
Drying∶155 ~ 165        5h ~ 8h
3.2 Vacuum pressuring submerging process
Pre-baking of the workpiece∶  100 ~ 120       1h ~ 2h
Vacuuming of workpiece ∶                   ≤100Pa
Vacuum retaining∶                   ≥0.5h
Varnish feeding∶ workpiece 40 ~ 50    --
Pressurizing∶                   0.4 MPa ~ 0.6MPa
pressure retaining∶                   ≥0.5h
pressure releasing∶                   0.2MPa
Re-varnishing∶                   --
Dripping of varnish∶ Room temperature         ≥1h
Drying∶155 ~ 165      5h ~ 8h
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