Tag Archives: Mini Pumps

WEST SYSTEM 300 Mini Pumps

300 Mini Pumps

To buy or not to buy?

By Terry Monville — GBI Technical Advisor

Do I really need the Mini Pumps?

If it’s a two-part epoxy, why are there three pumps in the package?

The pumps look the wrong size to fit my cans. Are you sure these are the right ones?

Selling WEST SYSTEM Epoxy in a retail environment for more than 20 years, those were the three most common questions I received.

These are valid questions. We’ve all been in a situation where the salesperson is trying to upsell us or has no clue what we really need. In the case of Mini Pumps, however, the salesperson is trying to do you a favor.

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Getting the Most out of Mini Pumps

by Jim Derck—GBI Technical Advisor

When using WEST SYSTEM® 300 Mini Pumps, the most important things to remember are:

  1. Read the instructions.
  2. Use one full pumps stroke of resin for each one full pump stroke of hardener to get the proper resin-to-hardener ratio.

If you’re ever concerned that your pumps aren’t metering properly, simply mix a test batch of 3 pump strokes each of resin and hardener. Stir thoroughly and make sure it’s fully cured before continuing with your project. Continue reading