Insulating Paper

  DM Polyester Film/Polyester Nonwoven Flexible Laminate is a two-layer flexible laminate (DM) with smooth surface, in which the polyester non-woven (D) is bonded on one side of the polyester film (M).The thermal resistance is Class F (for short, F-DM). 6644 has excellent heat resistance, electrical property and mechanical property. It is used for slot insulation, interphase insulation and liner insulation.in F-class electric motors. 6644 has obtained UL certificate (UL.NO.:E324567) and passed SGS test for toxic and hazardous substance detection.

1. Technical requirements

 1.1 Appearance requirement should accord with stipulations of Part I: Definition & General Requirement, Electrical Insulating Flexible Laminates, GB/T 5591.1-2002 (MOD with IEC60626-1: 1995).

 1.2 Dimension:

    Nominal width:1000 mm. Nominal weight: 50+/-5kg /Roll.

    The splices shall not be more than 3 in a roll. 1.3 Performance requirements:

    The standard values for 6644 are shown in Table 1 and relevant typical values shown in Table 2.

2. Test method

  As per the stipulations in Part II: Test Method, Electrical Insulating Flexible Laminates, GB/T 5591.2-2002(MOD with IEC60626-2: 1995).

3. Packing, transportation and Storage

 3.1 6644 is supplied in rolls, sheet or tape and packed in cartons or/and pallets 

 3.2 6644 should be stored in clean & dry warehouse with temperature below 40ºC. Keep away from fire, heat and direct sunshine.

 3.3 The other requirements shall accord with the stipulations in Part I: Definition & General Requirement, Electrical Insulating Flexible Laminates, GB/T 5591.1-2002 (MOD with IEC60626-1: 1995).