Nomex® Type 926
DuPont™ Nomex® Type 926 is a strong, high-dielectric, thermally-stable paper that is specifically designed for use as conductor insulation in liquid-immersed transformers.
Type 926 is not appropriate for use as conductor insulation for dry type transformers. Initially, Type 926 is available only in a 0.05-mm (2-mil) thickness.
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CALMICA ® 70 0866, 70 0867
CALMICA ® 70 0866 consists of mica paper based on a uncalcined muscovite, impregnated with B-stage epoxy resin and a PET-film as carrier. CALMICA ® 70 0866 is a flexible mica paper compound which shows excellent process ability and high dielectric strength due to the PET-film. In order to prevent blocking, the flexibility of CALMICA ® 70 0867 is lower.
CALMICA ® 70 0866 is supplied polyethylene The insulation with with CALMICA ® 70 0866 is supplied without polyethylene release film.
CALMICA ® 70 0866 and CALMICA ® 70 0867 is used e.g. for the insulation of bars and coils of high voltage motors and generators where high resin flow (higher than e.g. CALMICA ® 70 900) is needed. CALMICA ® 70 0866 and CALMICA ® 70 0867 are applied in full width (roll) or as tape. Forming and curing is done in a hot press.
Format Rolls maximum width 1000 mm Tapes from 10 mm width upward
Minimum 6 months at 20 °C
Minimum 12 months at 5 °C
Processing Advice Temperature 130 – 180 °C Pressure 2 – N/mm² Time 8.0 – 0.5 hours Example: 1 hour at 160°C and 2 N/mm²
Fully cured status is achieved after 4 hours at 160°C
ISOVAL ® 11
ISOVAL ® 11 is in accordance with the following international standards:
EP GC 203
EP GC 308
NEMA LI 1 G11
ISOVAL ® 11 is prepared from glass fabric impregnated with temperature resistant version of ISOVAL ® epoxy system. Laminates exhibit excellent thermal and chemical resistance as well as high mechanical strength at elevated temperatures.
ISOVAL ® 11 can be used as a high quality construction material as well as an electric and thermal insulation material in various machines and equipments, especially in those areas, where high operating temperatures are coupled with high mechanical strength requirements. The extremely good flexural and compressive strength at high temperature enable also application in those areas that traditionally could only be covered by polyimides.
Thickness: 0.1 – 160 mm Thickness tolerances
according IEC 60893
Standard sheet size:
2140 + 30/-0 mm x 1040 +30/-0 mm
2140 + 30/-0 mm x 1040 +30/-0 mm 2800 + 30/-0 mm x 1220 +30/-0 mm (0.2 to 130 mm thickness) 3180 + 30/-0 mm x 1040 +30/-0 mm (0.2 to 60 mm thickness) 3180 + 30/-0 mm x 1040 +30/-0 mm (0.2 to 60 mm thickness) Machine parts and cuttings are available on request. Colour:
DuPont™ Kapton® 150FWR019 is a heat fusible polyimide-FEP fluoropolymer composite film that has a unique balance of excellent electrical, thermal durability, and chemical resistance properties. The properties of 150FWR019 will provide a tough, high dielectric strength insulation with significantly improved hydrolysis resistance compared to other commonly used polyimide materials.