Basic Info.
Product Description
H-class SHS Epoxy Prepreg for dry type transformer
Product Specification
H-Class Epoxy Prepreg used in dry type transformer is made of polyimide film polyester fiber non-woven soft composite material impregnated with class H heat-resistance epoxy resin through baking.
Feature and Application
The solidified materials have high mechanical strength, outstanding dielectric properties and adhesive properties. Heat resistance grade is Class H.
Product is wound in the conductor directly, can form a strong insulation layer after thermo curing, and the process is simple and convenience.
It is applicable to the coil layer insulation and end insulation of Class H dry type transformer or electric reactor or mining transformer, as well as the layer insulation, slot insulation and turn-to-turn insulation of electrical machinery and electric appliance.
Product code: 6453.
Performance requirements of 6453 prepreg (JB/T10949-2010)
| No. | Performance | Unit | Requirements | |||||||||
| 1 | Nominal thickness | mm | 0.13 | 0.15 | 0.18 | 0.20 | 0.25 | 0.30 | ||||
| 2 | Deviation of thickness | mm | ±0.02 | ±0.02 | ±0.03 | ±0.03 | ±0.035 | ±0.035 | ||||
| 3 | Deviation of width | mm | ≤60:±0.2 >60≤1000:±0.8 >1000:±1.0 |
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| 4 | Tensile strength Lengthways no bending |
N/10mm | ≥40 | ≥50 | ≥70 | ≥70 | ≥80 | ≥100 | ||||
| 5 | Volatile content | % | ≤1.5 | |||||||||
| 6 | Soluble resin content | g/ | 30±10 | 35±10 | ≥45 | |||||||
| 7 | Breakdown voltage | kV | ≥4.5 | ≥5 | ≥6 | ≥6 | ≥8 | ≥9 | ||||
| 8 | Tensile shear strength | MPa | ≥3.0 | |||||||||
| 9 | Temperature exponent | - | ≥180 | |||||||||
| Remark: Other specification of products or users have special requirements, supply can be negotiated according to the user's needs. Supply width: 10mm~1280mm; |
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Application process reference (process condition of coil baked)
| Curing temperature | Time |
| 80ºC→120ºC/120ºC | 0.5h/1h~2h |
| 120ºC→160ºC/160ºC | 0.5h~1h/4h~8h |
| 160ºC→120ºC/120ºC | 1h/1h~2h |
| 120ºC→80ºC/80ºC | 0.5h/1h |
| Remarks: Due to diversity of production and application of each transformer plant, the above data can be adjusted according to the actual situation of the manufacturer and the size of the workpiece. | |
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Jiangxi Tengde Industrial Co., Ltd.
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