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Transformer NBR Rubber Gasket ,NBR Rubber Gasket for Transformer ,
Rubber Gasket ,NBR Gasket ,NBR Rubber Gasket
1.General Information
This oil proof rubber product for high voltage electrical appliances like power transformers avoid the shortcomings of traditional NBR ones, adopting the military composite materials and special techniques with following advantages.
2.Main Features
1)Advance formulation, perfect production process, strict process controlling, reliable and steady quality assurance
2)Unique formulation guarantees rubber elasticity effect
3)Effective seal solves the oil leaking problem
4)Good oil-proof performance and little pollution to transformer oil
5)Selecting materials carefully and well designing ensure the effective seal.
3. Key performance indicators
| S/N | Item | Spec. | Actual data | Quality standard | |
| 1 | Hardness A | 70 plus-minus 5 | 70 | GBT531 | |
| 2 | Tensile,MPa | no less than 12 | 23.6 | GBT528 | |
| 3 | Tear strength,KN per m | no less than 25 | 46 | GBT529 | |
| 4 | Elongation, percentage | no less than 200 | 420 | GBT528 | |
| 5 | Temperature, centigrade | minus 45 | minus 45 normal | GBT1682 | |
| 6 | Hot air compression set(Compress25 percentage,125 centigrade multiply by 24h), percentage | no more than 35 | 29 | GBT7759 | |
| 7 | 25Hot oil compression set(Compress25 percentage,125centigrade multiply by168h), percentage | no more than 50 | 28 | GBT7759 | |
| 8 | 25 Transformer oil resistance | Change of hardness | 0-7 | 1 | GBT1690 |
| Change of size | from minus 5 to 10 | 2.5 | |||
| 9 | Compatibility with transformer oil(Oil 800ml,thickness of sample 6mm,Surface area 65 square centimeter)Transformer oil interfacial tension | Compared with the blank oil from 0 to 2 | 0.04 | ||
| 10 | Ozone aging test( Elongate20 percentage0.5uL per L,40 centigrade multiply by16h) | No cracks | No cracks | GBT7762 | |
4.Available size
Shanghai TRIHOPE International Co., Ltdwas registered in Shanghai China in the year of 2003. Its total investment is about USD 2 Million. Being a professional foreign trading company, TRIHOPE is also the marketing institute of its sister company M/s SENERGE Electric Equipment Co., Ltd,which is a professional equipment manufacturer.
SENERGE Electric Equipment Company (SENERGE) was established in 2009, located in Shanghai Zhang Jiang Pinghu Hi-Tech Zone. The total investment of SENERGE is more than 5 million USD. SENERGE has full range of good machines and tools to ensure its machining process and offer customer good quality products.
Chen Jiabing (Chief Designer)
More than 35 years working experience of design and manufacturing in transformer industry. Served as tranformer and transformer equipment design and technology in Shanghai Transformer Factory, ALSTOM, AREVA, and other domestic transformer factories.
Wei Wang (Chief Production Officer)
With 35 years working experience in transformer industry. Served as transformer manufacturing in Shanghai Transformer Factory, ALSTOM, AREVA, and other domestic transformer factories.
Wang Daming ( Chief Service Officer)
Master degree of enigneering. 25 years working experience. Once worked in Pakistan, Indonesia overseas factories; visited nearly 40 countries, traveling throughout Africa, South America, America, Oceania, Asia and other places, with a wealth of experience working overseas.
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