6644 F Class DMD Insulation Paper for Motor Insulation is a soft two-layer composite material composed of a layer of longitudinal polyester fiber non-woven fabric and a transparent or milky white polyester film bonded with F-grade resin (polyurethane glue). Good impregnation properties of the nonwoven fabric and good dielectric strength of the polyester film.
Properties |
Unit |
Parameter |
|||||||||
Insulation paper thickness |
MM |
0.09 |
0.11 |
0.15 |
0.19 |
0.20 |
0.23 |
0.25 |
0.30 |
0.36 |
0.41 |
Thickness deviation |
MM |
±0.01 |
±0.01 |
±0.02 |
±0.02 |
±0.02 |
±0.02 |
±0.03 |
±0.03 |
±0.04 |
±0.04 |
Grammage and deviation |
GSM |
93±9 |
113±11 |
183±18 |
218±22 |
253±25 |
288±29 |
308±31 |
393±39 |
463±46 |
533±53 |
Film thickness |
MM |
0.036 |
0.050 |
0.100 |
0.125 |
0.150 |
0.175 |
0.190 |
0.250 |
0.300 |
0.350 |
Breakdown voltage |
KV |
≥5 |
≥6 |
≥9 |
≥10 |
≥11 |
≥13 |
≥14 |
≥16 |
≥18 |
≥22 |
Tensile strength (MD) |
N/CM |
≥60 |
≥80 |
≥150 |
≥190 |
≥220 |
≥250 |
≥280 |
≥330 |
≥350 |
≥380 |
Tensile strength (TD) |
N/CM |
≥40 |
≥70 |
≥110 |
≥140 |
≥150 |
≥160 |
≥180 |
≥280 |
≥300 |
≥330 |
Tensile strength after folding (MD) |
N/CM |
≥40 |
≥70 |
≥110 |
≥140 |
≥165 |
≥190 |
≥240 |
≥280 |
≥300 |
≥330 |
Tensile strength after folding (TD) |
N/CM |
≥20 |
≥50 |
≥90 |
≥110 |
≥115 |
≥120 |
≥130 |
≥180 |
≥200 |
≥230 |
6644 F Class DMD Insulation Paper for Motor Insulation is used in low-voltage motors, power tools, electrical appliances for slot insulation, gasket insulation, turn-to-turn insulation, phase-to-phase insulation and wedge insulation , or transformer interlayer insulation, suitable for automatic winding machine processing.
The 6644 F Class DMD Insulation Paper for Motor Insulation can be stored indefinitely at (20 ° C, 50% r. h.).