DDP Diamond Dotted Insulation Paper for Transformer Electrical Insulation Paper

DDP Diamond Dotted Insulation Paper for Transformer Electrical Insulation Paper image

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Basic Info.

Model NO.

Insulation Paper, DDP-F

Brand

NJREC or OEM

Thermal Rating

H 180

Delivery

30days

Thickness

25/30/4050 / 60 / 80 / 100um

Transport Package

Carton/Wooden Pallet

Specification

0.08mm -0.13mm

Origin

China

HS Code

85462090

Production Capacity

10000/Year

Product Description

Item		Unit	Value
Thickness of base material		mm	0.08±0.005	0.13±0.007	0.18±0.01	0.20±0.01	0.25±0.01
Density of base material		g/cm³	0.85~1.10
Thickness one side adhesive		μm	10~15
Moisture		%	4.0~8.0
Oil absorption		%	≥20
Welding strength	Room temperature	kpa	≥650
	100ºC±2ºC		≥400
Pollution of transformer oil		—	No pollution (tanδ<0.001)
Tensile Strength	Perpendicular	N/10mm Width	≥60	≥110	≥160	≥180	≥230
	Parallel		≥30	≥50	≥70	≥80	≥100
Tear Strength	Perpendicular	mN	≥450	≥900	≥1350	≥1500	≥2000
	Parallel		≥500	≥1000	≥1500	≥1700	≥2300
Breakdown Voltage	In air	kv	≥0.88	≥1.37	≥2.00	≥2.10	≥2.25
	In oil		≥4.40	≥7.00	≥9.00	≥9.80	≥11.50

Diamond dotted paper (DDP) is made of electrical insulating paper with diamond shape epoxy resin dotted on one side
or both sides. The epoxy used in DDP contains a kind of in hardener material. It is dry and crisp material at normal temperature.

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