|
东莞市万江拓创电子厂 
| 联系人：刘波 先生 (经理) |
 |
| 电 话：0769-88789588 |
|
| 手 机：13380195886 |
|
 |
|
 |
|
 |
|
| 供应 B-277-2 VARNISH |
The Ranvar B277 is a fast drying
electrical insulating varnish for use up
to180°C.
Uses
- Impregnation of stators, coils and
transformers
Cured Properties
The Ranvar B277 can be baked at
110°C to accelerate the dry time. It has
excellent moisture resistance.
Recommended Cure
1 – 2 hours at 25°C (77 °F)
–OR-
30 minutes at 110°C (230°F)
Features and Benefits
- Low viscosity
- Can be thinned with low cost solvents
- Offers thermal ratings from 130° C to
180° C
- Fast drying
Application Methods
- Dip and Bake
-
Storage/Shelf Life
This resin should be stored at a 25°C
(77°F) in a dry controlled environment
out of direct sunlight. This material
should be suitable for use stored under
these conditions in the original sealed
containers for twelve (12) months from
the date of shipment.
Properties of Material Supplied
Test Value Units
Viscosity @ 25°C (77°F)
(ASTM D2196)
400 – 800 Cp
Percent non-volatile matter
(ASTM D115)
49 – 51 %
Flash Point (ASTM D93) 27 (81) °C (°F)
A member of
Ranvar B277Air Dry Insulating Varnish November 2, 2007 Rev.1
TYPICAL PROPERTIES
Test Value Units
Typical Dry Time @ 25°C (77°F) 20 Minutes
Recommended Thinner Xylol
Electrical Properties – Dried 24 hours at 25°C (77°F)
Test Value Units
Dielectric Strength – AS MADE
(ASTM D149)
2200 Volts/mil
Dielectric Strength after 24 hours in
water (ASTM D149)
1800 Volts/mil
Film thickness 2 mils
UL Recognized Insulation Systems (E52215)
Class Systems
Class 130 MEGA I
Class 155 B2
Class 180 MEGA III |
 |
| |
|
|
 |
|
|
免责声明： 以上所展示的信息由会员自行提供，内容的真实性、准确性和合法性由发布会员负责，企业录对此不承担任何责任。如有侵犯您的权益，请来信通知删除。