Product Details

Grade H pre-impregnated insulating material SHS

Base material of grade H pre-impregnated insulating material is a flexible composite made with polyimide, Nomex or other materials with temp. index over 180℃. It’s phase B pre-impregnated material with thermal upgraded resin after baking process. The product has very high mechanical properties,dielectric and thermal upgraded properties. After winding with copper or aluminum foils, the insulation layers are very solid after heating process.This product is ideal grade H insulating material for layer insulating between foil coils in dry-type transformers, also for other motors and electrical appliance. The standard color is claybank or colorless. Tail-made colors are available.

Product classification

According to JB/T2197, the model of Grade H pre-impregnated materials for dry-type transformers:

* Base material of polyimide film and Nomex paper:6450（NHN)

* Base material of polyimide film and non-alkali glass fiber fabrics: 6452（GHG)

* Base material of polyimide film and non-woven fiber composite：6453（SHS)

Curing Condition

To cure under temp. 100℃ for 4 hours, then increase the temp. to 140℃±5℃ for 6 hours, or under 150±5℃, for 4 hours.

Storage

The product should be stored in dry, clean and well-ventilated warehouse under 30℃. The fire, heat sources and direct sunshine should be avoided. The shelf life is recommended to be one year. The longer storage period must be approved by lab test before using.

Specification

No.	Property	Unit	Requirements
1	Thickness	mm	0.18	0.20	0.25	0.30
2	Thickness tolerance	mm	±0.03		±0.035
3	Tensile strength MD	N/10mm	≥70		≥80	≥100
4	Soluble resin content	ɡ/㎡	≥45
5	Volatile content	%	≤1.5
6	Electrical breakdown strength	kV	≥7.0	≥8.0		≥9.0
7	Shearing strength	Mpa	≥3.0
8	Temp. index(TI)	－	≥180
Note: The specification can be determined with customers.

Inquiry:

Shirly Zhu

Mobile:0086-13813792736

Email:shirlyzhu87@hotmail.com