Should always be processed in combination with polyester putty. Without this hardener the putty will not react.
- Mix the hardener in a 1 to 3% ratio by weight with the resin or filler.
- Never stir too vigorously in order to avoid air bubbles and a temperature increase.
- Always provide appropriate protective clothing and gloves.
- Harder is irritating to eyes and skin as well as flammable.
- Cleaning agent for tools: cleaner M (environmentally friendly substitute for acetone).
- Avoid contact with skin.