Insulation transformer paperboard

Brand:aa

Product detail:

 Insulation transformer paperboard 

 1 .Description:    Insulation transformer paperboard is made of 100% sulfate wood pulp, mainly applicable to electric insulation.and its components such as motor, electric apparatus, meter, switch, transformer, etc. It hvae high chemical purity, excellent elongation, good Mechanical and dielectric Strength.

 2.Specifications:

1).1000mm*2000mmm 2000mm*4000mm (the roll diameter being 1000mm)

 2). nominal thicknesses:0.1-0.5mm   0.8-3.0mm

3).widths :  1000mm 2000mm

4).roll diameter :1000mm

3. Color:Natural,red

4) Applications: it is suited for oil-immersed transformers, capacitors, reactors and switches.

Techical Data sheet of thick insulation paperboard
Index name	Unit	Inedx requirement
Thickness tolerance	%	±7		±5
Tightness	g/m2	1.00-1.25		1.10-1.25
Tensile Strength(min)	N/mm2	length:90		breadth:50
Elongation rate(min)	%	length:3.5		breadth:4.0
shrinking rate (max)	%	length:1.0   breadth:4.0 Thickness:6.0
absorption of oil(min)	%	9
Electricity strength	KV/mm	0.8-1.0mm	1.5-2.0mm	2.5	3
		35	30	27	24
water content	%	0.8-1.5mm		2.0-3.0mm
		4~9		5~9