West System 300 Mini Metering Pumps (for A, B, and C sizes)
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300 Mini Pumps are designed for convenient and accurate metering of Group A, B, and C WEST SYSTEM 105 Resin-based epoxy. The 300 Mini Pump Set Contains one resin pump and two hardener pumps. Pumps mount directly on the resin and hardener containers and eliminate the mess involved with measuring by weight or volume.
These pumps are calibrated to deliver the proper working ratio with one full pump stroke of resin for each one full pump stroke of hardener.
Priming the pumps is important before first use, when changing cans, or when they've been sitting for a long time.
Alternating one stroke of resin and one stroke of hardener eliminates the need to count strokes and reduces the time spent waiting for the pumps to return to the top of their stroke. Slow pump return can be an issue when using epoxy in cooler weather when the epoxy becomes thicker. Try to keep your resin and hardener warm even if what you’re working on isn’t.
The 105 Resin and 205-206 Hardener pumps deliver approximate 0.8 fl. oz. with one full stroke of each pump.
The 105 Resin and 207-209 Hardener pumps deliver approximately 0.9 fl. oz. with one full stroke of each pump.