Home      About Us      News Center     Enterprise Culture     Product Center     Quality Assurance     Service Commitemnt     Contact Us  
Insulator Rod
E-glass rod
ECR-glass rod
Pultrusion&winding rod
Insulation Pole
Custom Shapes
Dogbone
Corner
L Shape
Pultrusion rectangle shee
Rods with Copper Core
Pultrusion Tube
Square Tube
Spool
Winding Tube
Sheet
Polyimide Laminated Sheet
Epoxy Sheet
Polyester Sheet
Insulation Paper
Insulating Board
Composite Core Cond
Loop insulator
Polyurethane pultru
  Winding Tube
 
Form II Technical Parameters
No.
Description
Unit
Value
1
Density
g/cm3
≥1.92
2
Bending strength
Mpa
≥320
3
Compressive strength
Mpa
≥200
4
Shearing strength
Mpa
≥32
5
Dielectric dissipation factor
≥0.02
6
Dielectric constant
3-6
7
Volume resistivity
Normal condition
Water absorbed
Ω̣ m
≥1.0×1011
≥1.0×109
8
Insulation resistance parallet to layers
Normal condition
Ω
≥1.0×1011
≥1.0×109
Water absorbed
9
Surface withstand voltage
(1min in air, spacing 30mm)
kV
14
10
Withstand voltage vertical to layers
δ≤3mm(in 90±2℃ transformer oil, 5min)
kV
18
20
11
Withstand voltage parallet to layers
(in 90±2℃ transformer oil, 5 min, spacing 25mm)
kV
≥25
≥50
≥75
12
Insulation resistance
≥5×104
13
Power frequency withstand voltage
oil chamber of OLTC to earth
(in transformer oil,100mm, 5min)
Phase spacing on customers' request
kV
≥85

[Page 1] [Page 2] 
 
SHAANXI TAPOREL ELECTRICAL INSULATION TECHNOLOGY CO., LTD ADD: No.9 Jingwei 10th Road, Jinghe Industrial Zone, Xi’an, China
P.C:710204 Tel.:+86-29-86031628 86030283 86033628 86033566 86031923 86031636 Fax:+86-29-86031253
Http://www.taporel.com E-mail: info@taporel.com  24 Hours Service Hotline : +86-18792660323