Hardener EK21 is a product based on aliphatic polyisocyanates, specific for professional – industrial use, not suitable for use in DIY applications.
Specifically indicated for use with Vinil D3 and Vinil WR to be mixed with special professional mixers.
The adhesive mixture with Vinil D3 and Vinil WR allows bonding with superior water resistance; maximum strength is reached at least seven days after bonding. The product complies with the UNI-EN 204 standard (D4 durability class).
Hardener EK21 is available in bottle format (1 kg).
