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Suzhou Jufeng Electrical Insulation System Co., Ltd.

Jf-6450-2 Ghg Pre-Submerged Material manufacturer / supplier in China, offering Jf-6450-2 Ghg Pre-Submerged Material, Epoxy-Resin Prepreg Nomex Flexible Laminates Nomex with Heat-Resistant Epoxy Resin, Rich Resin Mica Tape and so on.

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Jf-6450-2 Ghg Pre-Submerged Material

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Product Description

1. Description
    JF-6450-2 GHG Pre-submerged materials is obtained after baking the Grade H
heat resistant resin soaked soft material, which is composed of polyimide films and glass fabrics. GHG pre-submerged material is featured in long period of storage, low curing temperature and short curing period. The condensate of the varnish shows excellent electric performances as well as viscosity and heat resistance. The GHG pre-submerged material has low shrinkage rate, its expansion coefficient is similar to copper and aluminum. The grade of heat resistance is Grade H. Appliction of this product is found in the insulation for copper foil and aluminum foil packed layers in low voltage coils in Grade H dry transformers, insulation against the ground and in insulation between grooves and coil turns in Grade F and Grade H motors and electrical equipments.
 
2.  Technical parameters of the product
S/N
Name of the targets
Unit
Target values
1
Thickness
mm
0.18
0.25
2
Allowable deviation on thickness
mm
±0.02
±0.03
3
Tensile strength
no bending lengthwise
N/10mm
≥70
≥100
4
Content of resin
g/m2
 ≥ 50
5
Content solvable resin
g/m2
≥ 45
6
Content of volatile matters
%
≤1.5
7
Dielectric strength
MV/m
≥40
8
Tensile and shearing strength
Mpa
≥3.0
9
Temperature index TI
--
≥180
Note: Subject to separate discussions, users specific requirements can be met.
3.Application process for reference
(1).The site should be kept clean. Dust and grease should be avoided as they might adversely affect products adhesive and electric performance.
(2).Ambient temperature should be controlled at around (30±5). Temperatures lower than that will affect levelness; while temperatures higher than that may cause back-sticking and dust can easily stick, which eventually undermine the final quality of work-pieces. 
(3).Recommended curing temperature is (150±2) for 3 hours baking or (130±2) 5 hour in oven. If conditions allow, certain pressure should be applied during curing so as to promote mechanical properties effectively.
(4).This product is valid for 6 months under 25. Please use it during this period.
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