ORCHEMWinding Varnish
Orchem OR-114 class H air-drying varnish, A and B (hardener) cans
Class H · 2-component

OR-114 Class H Air-Drying Varnish

Two-component class H air-drying insulating varnish: A (varnish) and B (hardener). For windings that run at high temperature, without an oven.

  • Class H thermal endurance (180 °C)
  • Two-component: A varnish + B hardener
  • No oven needed, cures at room temperature
  • Request the TDS for mixing ratio and pot life
Request price and TDS

Technical information

Thermal classH (180 °C)
ComponentsTwo-component: A (varnish) + B (hardener)
CuringAt room temperature, no oven needed
Mixing ratio and pot lifeIn the product TDS
Best forWindings that need class H endurance without an oven

Drying time, viscosity, solids content, packaging and shelf life are given in the product's technical data sheet (TDS). Request the TDS and safety data sheet (SDS) via WhatsApp.

When to use OR-114

Class H windings are usually processed with baking varnishes. If you have no oven, or the part does not fit in one, OR-114 provides class H thermal endurance with a two-component system that cures at room temperature.

  • Motors and windings running at high temperature,
  • Large parts that do not fit in an oven,
  • Field repairs that require class H.

Using a two-component varnish

  1. Mix components A (varnish) and B (hardener) at the ratio in the TDS, in a clean container.
  2. Mix only as much as you can use within the pot life; the mix cannot be used after that.
  3. Apply to a clean, dry winding and let the excess drain.
  4. Leave to cure at room temperature for the time given in the TDS.

Without component B the varnish will not cure; do not judge the ratio by eye.

For general work at class F and below, single-component air-drying OR 1xx may be more practical. For class selection see the varnish selection guide.

Which varnish is right for you?

Tell us your motor type, operating temperature and application method, and we will send the suitable Orchem varnish and its TDS.

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Frequently Asked Questions

Can OR-114 be used without the hardener?

No. OR-114 is two-component; it does not cure without component B (hardener).

What are the mixing ratio and pot life?

The mixing ratio and usable life of the mix are given in the product TDS. You can request the TDS via WhatsApp.

Can it be used on class F motors?

Yes. A higher-class varnish can be used on a lower-class winding without problems.