West System hardener 207, Clear Coat

207 Special surface treatment hardener is recommended for WEST SYSTEM 105 Base if a completely transparent result is desired. This can also be done with 205 or 206 hardener. This hardener also provides excellent adhesion properties for gluing. 207 also contains a UV protection for the 105/207 mixture. However, we recommend long-term UV protection, e.g. boat paint of good quality or UV-protective clearcoat. NOTE: Mixing ratio 3: 1 Base: Hardener by volume. Application time at 25 ° C 20 to 30 minutes Curing time for solid plastic at 21 ° C 9 to 12 hours Curing time to full strength at 21 ° C 5 to 7 days Minimum working temperature 16 ° C