Description
The Sikkens Hardener P35 is a multi-purpose, medium-solid 2K activator catalyst designed for automotive refinishing. It is formulated for large areas and overall vehicle painting in moderate ambient temperatures ranging from 20 °C to 40 °C.
Key Features
- Type: Medium-strength, multi-purpose activator/catalyst
- Temperature Range: Optimized for 20 °C – 40 °C (68 °F – 104 °F)
- Application Scope: Suitable for large surfaces and full-body overall vehicle refinishing
- Performance: Enhances gloss retention, adhesion, and resistance to weather and wear
Compatible Products
- Multi Use Filler Pro (sanding version)
- Autosurfacer HB
- Autoclear HSR Antiscratch
- Autoclear Mat (pure)
- Autoclear Plus HS
- Autocryl Plus topcoat
If you need help with mixing ratios or drying/cure times for a specific compatible clearcoat or topcoat, let me know which product you are pairing it with.


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