#300 Mini Pump Kit for group size A, B or C (300) Model # 3405669

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Ensure that you mix 105 Epoxy Resin and hardener in the correct proportions with this set of pumps.

300 Mini Pumps are designed for convenient and accurate metering of group sizes A, B and C WEST SYSTEM resins and hardeners.

As packaged, the pumps are ready to install on Group Size B containers. A package of extension tubes for Group Size A containers is included with the set. Group Size C extension tubes are included in the 105-C Resin and in the 207-SC or 209-SC packages.

DESIGNED FOR

• 105 Epoxy Resin®
• 205 Fast Hardener®
• 206 Slow Hardener®
• 207 Special Clear Hardener®
• 209 Extra Slow Hardener®

FEATURES

• Pumps mount directly onto the resin and hardener containers and eliminate the mess involved with measuring by weight or volume
• 300 Mini Pumps are calibrated to deliver the proper working ratio with one full pump stroke of resin for each one full pump stroke of hardener
• 105/205 and 105/206 pumps deliver approximately 0.8 fluid ounces of resin/hardener with one full stroke of each pump
• 105/207 and 105/209 pumps deliver approximately 0.9 fluid ounces of resin/hardener with one full stroke of each pump
• Made of durable polypropylene, the pumps give years of dependable service

SPECIFICS

Calibrated to deliver the proper working ratio with one full pump stroke of resin for each one full pump stroke of hardener.

• 105/205-206 pumps | 0.8 fl oz of resin/hardener with one full stroke of each pump
• 105/207-209 pumps | 0.9 fl oz of resin/hardener with one full stroke of each pump
• Durable polypropylene

PRODUCT USE

Compatible with all Group size A, B, and C containers of resin and hardener

• Ready to install on the Group Size B containers
• Extension tubes for Group Size A containers included
• Group Size C extension tubes included in the 105-C Resin and in the 207-SC or 209-SC packages

INCLUDES

• 1 Resin Pump
• 1 205/206 Hardener Pump
• 1 207/209 Hardener Pump
• Group Size A extension tubes
  

All other WEST SYSTEM products are sold separately.

For the suitability of fillers for specific applications, see the Filler Selection Chart.

For more about 105 Epoxy Resin and the complete line of WEST SYSTEM products, see the Product Selection Guide.

User Manual and Product Guide

Pump Instructions

Getting the Most Out of Mini Pumps

Priming Mini Pumps
Priming the pumps before the first use is simple but important; the instructions in the package explain how to do this. You will also want to check the prime if the pump has been sitting for a long time, or when changing cans.

Storing Mini Pumps
That’s right, no need to buy new pumps every time you buy new cans of epoxy. Store the pumps right on the cans and when you run out of WEST SYSTEM Epoxy you can move your pumps to the new cans of resin and hardener.

Cleaning Mini Pumps
If the pumps have been sitting on the cans for a while they may develop a crust on the end of the spout. Hardener pumps particularly seem to do this. The crust is easily cleaned away: just break it off and wipe the spout. You can use warm water to clean the hardener pumps and acetone or denatured alcohol for the resin pump, if needed.

Dispensing with Mini Pumps
Use only full pump strokes and do not pull up on them; let them return on their own. 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.

Temperature Variation & Dispensing
Slow pump return can be an issue when using epoxy in cooler weather when the epoxy becomes “thicker” (actually, more viscous as our chemists would say). Try to keep your resin and hardener warm even if what you’re working on isn’t. Mix your epoxy indoors if you’re working at low temperatures in the garage. In the boatyard, an empty cooler and a shop light with an incandescent 15-watt bulb will keep your resin and hardener nice and warm. Remember, warm epoxy will cure faster until it hits the cool/cold surface. Call and talk to one of our Technical Advisors about cold temperature bonding applications, check our User Manual & Product Guide, or see “Cold Weather Bonding” by technical advisor Don Gutzmer in Epoxyworks, issue 43.

Pumps with White Tops
Long-time WEST SYSTEM users may still have pumps with white tops (which we stopped selling back in 2002). The white-top pumps and the newer yellow-top pumps are not compatible and should not be combined. But as long as your old white-top pumps are still delivering resin and hardener on ratio (verified by a simple pot-life test), they’re good.

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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.