ENAMEL BASE | MODIFIED POLYSTER PE(MODIFIED) | POLYSTERMIDE (P.I.E.) | POLYSTERMIDE POLYAMIDE-IMIDE (PEI+PAI) | POLYMIDE-IMIDE (PAI) |
THERMAL/INSULATION CLASS | I55° ‘F’ CLASS | 180° ‘H’ CLASS | 200° DUAL COTED | 220° ‘C’ CLASS |
SPECIFICATION OLD IS: NEW IS: IEC: | IS:4800-V2 IS: 13730 – 3 IEC 317 – 3 | IS:4800-9 IS: 13730 -8 IEC 317 – 8 | IS:4800-13 IS: 13730 -13 IEC 317 – 13 | IS:4800-11 IS: 13730 -7 IEC 317 – 7 |
COLOUR OF ENAMELED WIRES | DARK & LIGHT BROWN | DARK BROWN | MEDIUM – DARK BROWN | BROWN |
GENERAL APPLICATIONS | General Purpose Roting & Static Electrical Equipments, F.H.P. Motors, Transformers, etc | F.H.P. Motors for hand tools Hermatic Applications, Ignition Coils & All Thermal Class 180 Equipments. | Hermatic Applications Special Purpose Motors & All Thermal Class 200 Equipments | Special Motors Hermatic Motors |
SPECIAL REMARKS | Good Thermal & Die-Electric Properties | Resistance against Refrigerant & Transformer Oil, High Burnout Resistance etc. | Air Crack Registance against refrigerants & Chemicals very high burnout resistance, excellent Windablity low co-efficient of fraction High slotfilled factor & improved obrasion resistant. | Air Crack Resistant again Refrigent & Chemicals very high burnout resistant, excellent Windability low co-efficient of friction High slotfill factor & abrasion resistance. |
LIMITATIONS | Oil-filled Transformers, Rotating Machines used by Railway Hermetic Motors. | | | |
TECNICAL SPECIFICATIONS ABRASION RESISTANCE / MECHANICAL PROPERTIES | Fair / Good | Very Good / Good | Excellent / Excellent | Excellent / Excellent |
RESISTANCE TO VARNISHES AND SOLVENT | Good | Very Good | Excellent | Excellent |
RESISTANCE TO FREON-22 | – | Very Good | Superb | Excellent |
FELXIBILITY AND ADHERENCE | Good | Very Good | Superb | Excellent |
CUT-THROUGH / HEAT SHOCK | 240°C / 200°C | 300°C / 200°C | 320°C / 220°C | 400°C / 240°C |