Chengdu SL Communications Industrial Co.,Ltd.
[China]

Address:
19-B,PICC Building,No.57, Dong Yu Street Chengdu Sichuan 610016 China

Phone:
86-28-82000968

Contact name:
Quentina Qian , sales manager

Chengdu SL Communications Industrial Co.,Ltd.

Products

	Diamond Dotted Insulation Paper(DDP)

Click to enlarge image

Model Number

DDP

Number	Item		Unit	Value
1	Thickness of base paper		mm	0.08±0.005	0.13±0.007	0.18±0.010	0.20±0.010	0．25±0.01
2	Density of base paper		g/cm³	0.85～1.10
3	One side adhesive thickness		μm	10～15
4	Moisture		％	4.0～8.0
5	Oil absorption		％	≥20
6	Welding strength	Room temperature	kpa	≥650
		100℃±2℃		≥400
7	For the pollution of transformer oil			Free from contamination(△tanδ<0.001)
8	Tensile Strength	MD	N/10mm Width	≥60	≥110	≥160	≥180	≥230
		CMD		≥30	≥50	≥70	≥80	≥100
9	Tear Strength	MD	mN	≥450	≥900	≥1350	≥1500	≥2000
		CMD		≥500	≥1000	≥1500	≥1700	≥2300
10	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