Epoxy cast dry-type transformers with epoxy glue (potting compound) 9600GA/GB

Epoxy cast dry-type transformers with epoxy glue (potting compound) formulations of the principle: The Wuxi Huilong epoxy resin casting dry type transformers 9600GA/9600GB addition to having good mechanical properties, resistance to short-circuit capability, the insulation level high, moisture-proof, fire retardant, self-extinguishing, overload capacity and other characteristics, it also has low loss, low noise, Bureau of heavy volume of small, beautiful appearance.

Several dry-type transformer insulating materials commonly used in presentations and compare the performance of dry-type transformer is one of the most critical technology selection of insulating materials, and their many varieties, some common insulation materials, heat insulation and temperature dependence of the list is as follows :

Name thermal insulation material dielectric constant εο Volume resistivity (Ω / cm)
Inorganic Materials C 3.0-5.0
Glass fiber C 5.0-6.0
A 4.5 General fiber paper 
 
Epoxy cast dry-type power transformers 
 
Polyester resin, paint A-F 3.1-3.2
Dry polyester film A 3.1 1 × 1010
SMC, DMC F 4.5-5.5 dry 1 × 1010
Board dry diphenyl ether modified 1 × 1010 H
Polyamide - imide dry plate H 6 1 × 1010
Dry state resin F 4.6 1 × 1010
Heat insulation material with the highest level of the relationship between temperature thermal insulation AEBFHNC
The maximum operating temperature (℃) 105 120 130 155 180 200 220

Huilong brand epoxy cast dry-type transformers with epoxy glue (potting compound) 9600GA/9600GB product performance are as follows:

High voltage electrical equipment for the control device (dry type transformer electrical insulator), etc., with excellent heat resistance, resistance to cracking, high thermal conductivity, long-term insulation equipment.

Project
 Units
 Determination of conditions
 Physical Characteristics
 
9600GA +9600 GB
 
9600GBA
 9600GBB
 9600GYA
 9600GYB
 
Appearance
 -
 25 ℃
 Black liquid
 Light yellow transparent liquid
 Light yellow liquid
 Light yellow transparent liquid
 
Density
 g/cm3
 25 ℃
 1.78
 1.20
 2.01
 1.20
 
Viscosity
 Pa · s
 25 ℃
 -
 0.05
 -
 0.07
 
A, B liquid mixture
 -
 Mass ratio
 100/20
 100/17
 
Mixed initial viscosity
 Pa · s
 25 ℃
 12.2
 36
 
Can use the time (double viscosity)
 ℃ / hrs
 -
 60 /> 1.5
 40 /> 7
 
Curing conditions
 ℃ / h
 -
 100 / 3 +130 / 5
 150 / 8
 
Glass transfer point
 ℃
 DSC
 108
 105
 
Dielectric (insulation) strength
 KV / mm
 25 ℃
 > 25
 > 25
 
K
 -
 50Hz
 25 ℃
 3.76
 3.90
 
100 ℃
 3.87
 4.06
 
Dielectric loss
 %
 50Hz
 25 ℃
 0.81
 0.40
 
100 ℃
 1.77
 2.47
 
Volume resistivity
 MΩ · m
 DC500V
 25 ℃
 > 1 × 107
 > 1 × 107
 
100 ℃
 > 1 × 106
 > 1 × 106 
 
Note: The above data 9600GA/9600GB typical characteristics of the data, when used only for customer reference and can not guarantee that customers under certain conditions in a measured data and the same.