AMA composite material is a three-ply flexible laminate consisting of pet film coated on both sides with Aramid fiber paper., AMA also can replace NMN, shows high thermal resistance, excellent mechanical properties, and electrical properties, it is designed for automatic insertion machine.
AMA is mainly used as a slot liner, slot closure, phase-to-phase and turn-to-turn insulation in low or medium voltage electrical motors of class F (155) or class H(180) insulation system, in addition, it's also used as interlayer insulation in transformers and other electrical machines and appliances.
Thickness: 0.15mm 0.20mm 0.23mm 0.25mm 0.30mm 0.35mm Width 914 or 1000mm, sheets strips (width5mm)
| Item | Unit | Value | ||||||||
| Nominal Thickness | mm | 0.15 | 0.18 | 0.20 | 0.23 | 0.25 | 0.30 | 0.35 | ||
| Thickness Tolerance | mm | ±0.02 | ±0.03 | |||||||
| Norminal Grammage | g/squaremeter | 180±25 | 210±30 | 240±30 | 260±35 | 300±40 | 350±50 | 430±50 | ||
| Tensile Strength | Lengthwise | Not Bended | N/10mm | >150 | >160 | >180 | >200 | ≥220 | ≥270 | ≥320 |
| Bended | >80 | >110 | >130 | >150 | ≥180 | ≥200 | ≥250 | |||
| Crosswise | Not Bended | >90 | >110 | >130 | >150 | ≥180 | ≥200 | ≥250 | ||
| Bended | >70 | >90 | >110 | ≥130 | ≥150 | ≥170 | ≥200 | |||
| Elongation | Lengthwise | Not Bended | % | >10 | ≥12 | |||||
| Crosswise | Not Bended | >15 | ≥18 | |||||||
| Breakdown Voltage | Not Bended | KV | >7 | ≥10 | ≥11 | ≥12 | ≥13 | ≥15 | ≥20 | |
| Bended | >6 | ≥8 | ≥9 | ≥10 | ≥12 | ≥13 | ≥16 | |||
| Adhesive Property | Room Temperature | No delamination | ||||||||
| 180±2°C 10min | No delamination,blister,or adhersive flow | |||||||||
| Temperature Index | °C | ≥155 | ||||||||
| Storage Life | month | 12 months,room temperature,dry and well-ventilated environment | ||||||||
| Remark | This product is produced in accordance with JB/T4061.1-1995 and is tested in accordance with GB/T5591.2-2002 | |||||||||