MMR

WEST SYSTEM 305 High-Capacity Pump (5:1)

Ratio: 5:1 by volume
Output: 2.0 fl oz of resin and hardener per full stroke
Reservoirs: two gallons of resin, one gallon of hardener
For: 105 Resin with 205 or 206 Hardener

Code: 305

High-capacity positive-displacement pump that dispenses 105 Resin with 205 or 206 Hardener at the correct 5:1 ratio.

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About this product

The WEST SYSTEM 305 High-Capacity Pump dispenses 105 Epoxy Resin with 205 Fast or 206 Slow Hardener at the correct 5:1 ratio by volume. It is robust and fast, made for workshops that use a lot of epoxy.

How it works

The pump traps a fixed amount of resin and hardener and pushes that exact volume out. Because it works by displacement, changes in viscosity with temperature don't affect the ratio.