Oil Varnished Silk

Electrical Insulation Material
Motor Insulation
Transformer Insulation

2210 - Oil varnished Silk,
Basic Material: Silk
Impregnated Varnish: Oily varnish

Breif Introduction:
2210 - Oil varnished silk is made from the silk, i. e., insulating silk, and then, in the process of dipping in the oily paint and drying.

Product Features:
Oil varnished silk is Class A insulating varnished material.
Oil varnished silk has good electrical and mechanical performances, it will be used at 105° C or less for a long period.

Product applications:
Oil varnished silk can be used as liner insulation and coil insulation for the binding and insulating materials for the electric motor, appliance, etc.

 

Properties	Units	values
Shrinkage	%	After  treated  at  temperature  of  105± 2 for  6h: ≤ 4
Volume  resistivity	Ω · m	At  the  normality:   ≥ 1.0× 1011 At  105± 2:   ≥ 1.0× 108 After  wetting  for  24h:   ≥ 1.0× 108
Normal  thickness	mm	0.08	0.10	0.12	0.15
Tolerance	mm	± 0.010	± 0.010	± 0.015	± 0.015
The  quality  warranty  period	Six  months(under  25)

 

Normal  thickness mm	Tensile-strength,     N/10mm  width,   ≥	Elasticity, N
Length	Cross	45°
Medium	Min	Medium	Min	Medium	Min	Medium  value   of  tension  for  the  nominal  elongation	Max  tension  for  the  nominal   elongation
0.08	22	16	15	10	15	10	1-8	10
0.10	24	18	17	12	17	12	1-9	11
0.12	25	20	18	14	18	14	1-10	12
0.15	30	24	22	18	22	18	1-14	17
The  quality  warranty  period	Six  months(under  25)

 

Normal  thickness    mm	Electric  breakdown  strength,   Kv, ≥
Under  23± 2	After  bending  at  under  23± 2	Under   105± 2	After  being  humidified  for  24h	Elongated  by  6%  In  the  direction  of  45	After  bending  through  heat  t reatment
Medium	Min	Medium	Min	Medium	Min	Medium	Min	Medium	Min	Medium	Min
0.08	4.8	2.4	3.0	1.8	3.0	1.8	2.3	1.4	2.7	/	2.5	1.4
0.10	5.8	3.8	4.4	2.2	4.3	2.2	3.5	2.0	4.1	2.1	3.7	1.7
0.12	7.2	4.8	6.3	3.2	5.2	2.5	4.1	2.5	5.0	2.5	4.0	2.1
0.15	8.7	5.2	6.9	3.8	5.8	3.1	4.7	2.8	6.1	3.1	4.2	2.7
The  quality  warranty  period	Six  months(under  25)