Specifications

Diamond Dotted insulation paper (DDP) Excellent service here and good quantity!

 Diamond Dotted Insulation Paper( DDP)

  it 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 0.30mm 0.35mm 0.40mm 0.45mm and 0.50mm

Width:960mm,1000mm,1150mm.1250mm.

package:carton and pallet

 

STANDARD: JB/T4060-1991

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
		100°C±2°C		≥400
7	Pollution for transformer oil		-
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

 

Store condition: Should store , in do not exceed 35° is dryed , clean with ventilate good
                               place, must not avoid sunlight near fiery source and warm wind direct.  
Storage time: 12 months under normal temperature