301 & 303 Mini301 Mini Pumps are calibrated to deliver the correct working ratio of 5 parts of R105 resin to 1 part of either H205 Fast or H206 Slow hardeners. 303 Special Ratio Mini Pumps are calibrated to deliver the working ratio of 3 parts of R105 resin to 1 part of either H207 Special Coating or H209 Super Slow hardeners, with one full pump stroke of resin for each one full pump stroke of hardener. Made of durable polypropylene, the pumps give years of dependable service. |