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Electrical Transformer Diamond Dotted Paper DDP Paper

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Basic Info

Product Description

Model NO.

0.08-0.25mmx960mm, 1000mm

Material Shape

Round Wire

Range of Application

Cold-Resistant

Certification

ISO9001, RoHS

Brand

Chr

0.08-0.25mm

60kg 100kg/Roll

Trademark

CHR

Transport Package

Pallet

Specification

0.08-0.25x960mm

Origin

China

HS Code

4811601000

Diamond Dotted Insulation Paper( DDP) is made of electrical insulation paper with Diamond-shape epoxy resin dotted in both sides. The epoxy resin used in DDP contains a kind of incubative hardener material, it is a dry ad crisp material at normal temperature(below 35degree)

This product has good dielectric properties and good machenical properties after being heat-solidification. It can be used as coils and between layers of oil immerged power and distribution transformers.
Thickness: 0.08mm 0.13mm 0.15mm 0.17mm 0.20mm 0.25mm
Width: 960mm 1000mm

Number	Index		Unit	Standard
1	Thickness &tolerance		mm	0.08±0.005 0.13±0.007 0.18±0.010 0.20±0.010 0.25±0.010
2	Density		g/cm3	0.85~1.10
3	Adhensive thickness of single side		μm	10~15
4	Water content		%	4.0~8.0
5	Oil absorbency		%	≥20
6	Adhensive strength	Ordinary state	kPa	≥650
		100ºC±2ºC		≥400
7	Pollution for transformer oil		-	Pollution-free(tan∮<0.001)
8	Tensile strength	MD	N/10mm width	≥60	≥110	≥160	≥180	≥230
		CD		≥30	≥50	≥70	≥80	≥100
9	Tear Index	MD	Mn	≥450	≥900	≥1350	≥1500	≥2000
		CD		≥500	≥1000	≥1500	≥1700	≥2300
10	Breakdown	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