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DyBond®

Pre-preg laminates with B-stage resin

Coveme DyBond® products are flexible insulating materials with a B-Stage (semi po­lymerized) resin. During our coating process the resin is first applied onto the substrate then, by controlled heating, the polymerization is started bringing the resin to the so called B-Stage, where free to the touch, reasonably stable but not fully polymerized. The final product depends on the substrate used for the resin coating.

The resin can be of various colours, applied in various grammages, on one or both sides, and on the full surface or with a diamond pattern. DyBond® B-Stage pre-pregs can be used by the manufacturer as any conventional in­sulating material. After the manufacturing operations the final equipment is exposed to heat. The resin will initially melt, creating a uniform distribution and filling any pos­sible non uniformity, before polymerizing to its final solid stage cementing the Dy­Bond® products to the conductors to be insulated. DyBond® is used as electrical insulator in mainly in electrical transformers (dry, oil filled, or SF6 gas), generators and electrical motors. Depending on the substrate used Dy­Bond® is suitable for working temperatures up to class H 180°C.

PRODUCT NAME STRUCTURE THERMAL CLASS
DyBond® PET B-stage resin /Electrical grade Pet Up to B: 130°C
DyBond® HBB B-stage resin/ TCA treated Pet Up to B: 130°C
DyBond® HCC B-stage resin/Corona treated Pet Up to B: 130°C
DyBond® ISF/IDF B-stage resin/ fleece with pet laminate Up to B: 130°C
DyBond® NS/ND B-stage resin/ Nomex® with pet laminate Up to H: 180°C
DyBond® 410/356/818 B-stage resin /Nomex® Up to H: 180°C
  • DyBond® PET
  • DyBond® ISF/IDF
  • DyBond® HBB
  • DyBond® NS/ND
  • DyBond® HCC
  • DyBond® 410/356/818

Notes and certifications

Available Widths 4-1830mm
Thermal Classes up to H:180°C
UL certified
DyBond® is Coveme's registered trademark.
Nomex® is DuPont’s registered trademark

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