West System hardener 205, fast

205 Hardener is the most common hardener. It is used to provide fast curing, ie. epoxy reaches its maximum strength in a short time. When a weight part 205 Hardener is mixed with five weight parts 105 Base, the hardened epoxy becomes an extremely strong plastic that provides very good protection against moisture penetration. Small amounts can also be mixed by volume, the ratio is the same 5: 1. > Application time at 25 ° C: 10 to 15 minutes Curing time for solid plastic at 21 ° C: 5 to 7 hours Curing time to full strength at 21 ° C: 5 to 7 days Minimum working temperature: 5 ° C