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Class H Unfilled Epoxy Resin System for Dry-Type Transformers

Class H Unfilled Epoxy Resin System for Dry-Type Transformers

CAS No.: 25085-99-8
EINECS: 600-013-7
Bonding Function: High Temperature Resistant Adhesive
Morphology: Solvent
Application: Automobile, Construction, Dry-Type Transformer
Material: Epoxy
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Basic Info.

 

Model NO.
TD-9006AB, TD-9612AB, TD-9615AB
Classification
Thermosetting
Main Agent Composition
Thermosetting Resin
Characteristic
Long Pot Life, Short Gel Time at Higher Temp..
Promoter Composition
Flexibilizer
Composition
Organic Material
Color
White
Epoxy Resin
100 Pbw
Epoxy Hardener or Curing Agent
80 Pbw or 100 Pbw
Transport Package
Steel Drum or Plastic Drum
Specification
200-220KG/Steel Drum, 1-1.2 tons/IBC Tank
Trademark
Tengde
Origin
China
HS Code
3506912000
Production Capacity
25, 000 Tons/Year


Product Description

Company profile of Tengde group.

Jiangxi Tengde Industrial Co., Ltd. owned more than five industrial companies, the production workshops mainly located in Jiangxi Province of China, the total area is about 200,000 square meters, which has been engaged in the R&D, production, and sales of insulating materials, electrical materials and other products. Tengde and all of its subsidiaries have obtained ISO9001:2015 international quality system certification, ISO14001 environmental system certification, Occupational Health and Safety Management System Certification, UL certification and a number of utility models and national invention patents. Main products include: Class H dry-type transformer casting resin, indoor and outdoor transformer resin, insulation resin, iron core paint resin, room temperature resin, mold release agent, etc. At present, the products account for 50% of the domestic sales, and offices are set up in China and other countries. In the future, the company will reach deeper cooperation with well-known domestic enterprises as JST, Siemens, etc. It is expected that dry-type transformer and transformer resin market will occupy 75% of the domestic market share, and continue to expand overseas market, such as: Germany, Russia, Dubai, and the year-on-year sales growth is 20%. The company has reached the target of annual output value of  600 million. To meet the needs of enterprise development, ensure the core competitiveness of the company, improve product performance, 10 million has been invested to build a R & D center with the area of 2116 square meters, including more than 20 members with the title of doctor, master, senior engineer, intermediate or above professional titles, and a multi-disciplinary organic complementary, professional R & D team is established. Tengde seized the opportunity of the era and set up a number of subsidiaries in 2015, including Jiangxi Tengde, Hongte, Jinteng, Tengrui, Juchuang, Jingying, Tengyue, Tenghui, Coil Business Unit, etc.

TD-9006AB 

Resin : Hardener/Curing Agent: 100 : 80 : 350 PBW

Based on Bisphenol A/F, liquid, hot-curing casting resin system suitable for Class H dry-type distribution transformers with good electrical and mechanical end-propertie

·Very low initial mix viscosity, can adopt the high filler conten
·Excellent mechanical and curing characters
·Good crack resistance properties
·Class H according to IEC 60085

TD-9006A  Modified, Solvent-free, medium viscosity epoxy resin

 Viscosity 25ºC DIN 53015 mpa.s 2500-3000
  80ºC DIN 53015 mpa.s ca.75
 Epoxy content   ISO 3001 Eq/kg 4.9-5.5
 Density 20ºC ISO 1675 g/cm3 ca.1.18
  80ºC ISO 1675 g/cm3 ca.1.135
 Flash point   DIN 51758 ºC >119

 

TD-9006B  Liquid, modified anhydride curing agent 

 

 Viscosity 25ºC DIN 53015 mpa.s 280-380
 Density 25ºC ISO 1675 g/cm3 1.19-1.22
  60ºC ISO 1675 g/cm3 1.16-1.20
 Flash point   DIN 51758 ºC 115
 Vapour pressure 25ºC
60ºC
(Knudsen)
(Knudsen)
Pa Pa ca.0.5 ca.10

Conventional vacuum casting 80-100ºC

Demoulding times (depending on mould temperature and casting volume)  

Conventional vacuum casting 4 - 8 h

Cure conditions (minimal postcure)

Conventional Vacuum Casting        6h at 80°C + 10h at 130°C or
6h at 80°C + 6h at 140°C

System tested
TD-9006A/B
 Mix ratio:100/80/200 PBW
23ºC
Determined on standard test specimen at 23ºC
80ºC 4 , 140ºC 10
Cured for 4h at 80ºC + 10h at 140ºC

 

Tensile strength ISO R 527 N/mm2 80 - 90
Elongation at break ISO R 527 % 1.0 - 2.0
E modulus from tensile test ISO R 527 N/mm2 10,000 - 12,000
Flexural Strength
 
ISO 178 N/mm2 130 - 140
Surface Strain
 
ISO 178 % 1.3 - 1.5
Flexural E Modulus ISO 178 N/mm2 10,000 - 12,500
Compressive strength ISO 604 N/mm2 185 - 190
Double Torsion Test CG216-0/89    
(Kic)
Critical stress intensity factor (KIC)
  MPa m1/2 2.7 - 2.9
(GIC) Specific fracture energy   J/m2 550 - 650
Thermal Deformation Temp ISO75 ºC 85 - 95
Tg(DSC) Glass transition temp. IEC 1006 ºC 85 - 90
Coefficient of linear thermal expansion DIN 53752/80    
Mean value for temperature range 20 - 60 K- 30 - 35 X 10-6
Thermal conductivity similar to ISO 8894- W/mK 1.00 - 1.10

 Flammability
     
Thickness of specimen::4mm UL94 Class HB

Thermal endurance profile(TEP)

NIN/IEC 60216
 
 6

Thermal ageing class(20000h )
IEC 60085 Class H

 Water absorption

ISO 62
   
(specimen:50x50x4 mm)      
23ºC 10 10 days at 23°C   PBW% 0.10-0.15

Density


DIN 55990


g/cm3


1.8-1.9

 

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Jiangxi Tengde Industrial Co., Ltd.

 

Tel:086-794-7888226
Fax:086-794-7881095
mobile phone:
18679404688 
E-mail:
2061631242@qq.com

Address: No. 222 Anshi Avenue, Fuzhou high tech Industrial Park, Jiangxi Province

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