Users' questions

Can you mix West System hardeners?

Can you mix West System hardeners?

WEST SYSTEM Fillers can be added to mixed resin and hardener to modify its consistency and strength.

What happens if you put too much hardener in resin?

Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly.

How do you mix a West System 105?

To measure 105 Resin and 207 Special Clear Hardener or 209 Extra Slow Hardener by volume, combine three parts epoxy resin with one part hardener (by weight, 3.5 parts resin-1 part hardener).

What do you need to know about West system 105 epoxy?

WEST SYSTEM 105 Epoxy Resin, Hardeners, Fillers, Additives, Reinforcing Materials, Dispensing Pumps and Application Tools were designed and developed with the end-user in mind. Start with the Product Selection Guide to determine which products you need for your specific project.

How to mix West system epoxy resin and hardener?

Pour the resin into a straight-sided container to the 1.25″ mark, then add hardener to the 1.5″ mark. This can also be done for 207 Special Clear and 209 Extra Slow Hardener but at 3 parts resin to 1 part hardener. When mixing, stir the epoxy for at least two minutes to ensure it is thoroughly blended.

How much hardener to mix with 105 resin?

To measure 105 Resin with 207 or 209 Hardener by volume, combine 3 parts resin with 1 part hardener ( by weight, combine 3.5 parts of resin with 1 part of hardener). If this is the first time you have used WEST SYSTEM epoxy, begin with a small batch test to get the feel for the mixing and curing process, before applying the mixture to your project.

What’s the viscosity of West system epoxy resin?

The results are long-lasting. 105 Resin’s viscosity is approximately 1000 centipoise (cp) at 72 F (22C). Pair 105 Epoxy with corresponding letter size of 205 Fast Hardener, 206 Slow Hardener, 209 Extra Slow Hardener or 207 Special Clear Hardener. WEST SYSTEM Epoxy resin and hardeners come packaged in four “Group Sizes.”