AMA dispensing paper is made by uniformly coating a special modified epoxy resin in a grid pattern onto a substrate. The substrate, AMA, is a composite of polyester film and two layers of high-quality cable paper. It is mainly used in oil-immersed transformers as a replacement for diamond-shaped dispensing paper.
Name | AMA Dispensing Paper | Specifications (mm) |
| 0.15 |
Serial Number | Test Item | Technical Requirements |
| Test Value |
1 | Appearance | Should be free of obvious delamination, bubbles, defects, or dirt. |
| Conforms to requirements |
2 | Slitting | Dimensions should meet customer order requirements. |
| Conforms to requirements |
3 | Nominal Thickness | Deviation ±0.01 | mm | 0.15 |
4 | Tensile Strength | As per factory inspection procedures. | N/10mm | 223 |
5 | Elongation | As per factory inspection procedures. | % | 112 |
6 | Dielectric Strength | As per factory inspection procedures. | KV/mm | 63.3 |
7 | Breakdown Voltage | As per factory inspection procedures. | KV | 9.49 |
8 | Room Temperature Test | Cooled to room temperature, no delamination after 24 hours |
| No delamination |
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AMA dispensing paper
AMA dispensing paper
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