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WEST System Pumps
Epoxy metering pumps ensure you?re using the correct ratio of resin to hardener, crucial to epoxy performance. Depending on the hardener you select, WEST System Epoxy is mixed at a ratio of five parts resin to one part hardener, or three parts resin to one part hardener. At the proper mix ratio, the number of chemically reactive sites in the resin balances the number of reactive sites in the hardener. The resin molecules are larger than the hardener molecules, and have few reactive sites, hence the 5:1 or 3:1 ratio. When the mix is stirred thoroughly, the resin and hardener molecules react to develop full strength. If the mix contains excess hardener, hardener molecules will remain unreacted in the cured epoxy, weakening it. They can also prevent subsequent paint coatings from setting up. NOTE: Never add extra hardener in attempt to alter cure speed. This will only throw the resin-to-hardener ratio off, preventing the epoxy from reaching its full potential, and possibly even keeping it from hardening. Many people use epoxy in small batches, mixing several ounces at once. The most popular epoxy metering pumps are the WEST System 300 Mini Pumps. They get the job done 95% of the time. For very small jobs requiring tiny amount of epoxy, count on the WEST System 320 Small Batch Mixing Scale. For larger projects, you may need a larger pumping system such as the Model A Epoxy Metering Pump.
Epoxy WEST System Products WEST System Pumps & Tools WEST System Pumps
West 300 Mini Pump Set
West 300 Mini Pump Set

West 300 Mini Pump Set

A convienent way to dispense WEST System Epoxies.  Pumps are calibrated so that you just need one pump out of each side (epoxy and hardener) to be on ratio. 

Pump set includes three pumps, one resin side pump and two hardener side pumps.  The hardener side pumps are different, one fits the 205/206 hardener cans and the other fits the 207/209 hardener cans. 

The pump kit includes parts to fit group A and B size cans.  Extensions to fit group C jugs come with the Group C product.

Instructions are included with the pumps.


Weight .3

Price:$16.16

West System 303 (3:1 ratio) Positive Displacement
West System 303 (3:1 ratio) Positive Displacement
This West System 303 (3:1 ratio) Positive Displacement Pump dispenses three parts resin and one part hardener (3:1) by volume. It consists of two separate parallel pump systems, one for the resin and one for the hardener. The two systems are operated simultaneously by a single lever. The pump delivers 2.3 fl oz of resin and hardener per full stroke of the dispensing lever. The reservoirs hold two gallons of resin and one gallon of hardener. For use with 105 Epoxy Resin and 207 Special Clear Hardener or 209 Extra Slow Hardener.
Price:$1,045.96

WEST System 305 (5:1 ratio) Positive Displacement
WEST System 305 (5:1 ratio) Positive Displacement
The WEST System 305 Positive Displacement Pump dispenses five parts resin and one part hardener (5:1) by volume. It consists of two separate parallel pump systems, one for the resin and one for the hardener. The two systems are operated simultaneously by a single lever. The pump delivers 2.3 fl oz of resin and hardener per full stroke of the dispensing lever. The reservoirs hold two gallons of resin and one gallon of hardener. For use with 105 Epoxy Resin and 205 Fast Hardener or 206 Slow Hardener.
Price:$1,045.96

West System (5:1 ratio) Model A Pump 306-25
West System (5:1 ratio) Model A Pump 306-25
The 306-25 Metering Pump reduces mixing time and waste on large projects. Great for metering larger quantities of 105 Resin and 205 Fast or 206 Slow (5:1 ratio) Hardeners. A carrying handle allows you to move the pump where the work is. Reservoirs hold one gallon of resin, one quart of hardener. Dispenses approximately 0.5 fl oz of resin/hardener per pump stroke (about 1 qt per minute).
Price:$403.85

West System (3:1 ratio) Model A Pump 306-23
West System (3:1 ratio) Model A Pump 306-23
For metering larger quantities of 105 Resin and 207 Special Clear  or 209 Extra Slow (3:1 ratio) Hardeners. The 306-23 Metering Pump will reduce mixing time and waste on large projects. A carrying handle allows you to move the pump where the work is. Reservoirs hold one gallon of resin, one quart of hardener. Dispenses approximately 0.5 fl oz of resin/hardener per pump stroke (about 1 qt per minute).
Price:$403.85

West System Small-Batch Epoxy Scale
West System Small-Batch Epoxy Scale

For epoxy batches smaller than one Mini Pump stroke, the 320 Epoxy Scale accurately measures the correct ratio of resin and hardener from 4.4 fl oz down to just a few drops of mixed product. The Epoxy Scale can also be used to confirm the accuracy of your WEST SYSTEM dispensing pumps and to consistently add pigments or other additives. The scale comes in a convenient kit for small projects. The kit includes dispensing bottles, 3.25 oz and 1 oz plastic mixing cups, mixing sticks and pipe cleaners.

The Epoxy Scale was designed for those project requiring small batches of epoxy. Model builders, patternmakers, lure makers, artists, and hobbyists will find it particularly helpful. The scale can also be used to confirm the accuracy of your 300 Mini Pumps and to add pigments or other additives consistently.

The Epoxy Scales dimensions of 5″ X 3″ X ¾” make it highly portable. It is sturdily built, yet sensitive enough to measure as little as .1 gram (a standard paperclip weighs .4 gram). It is battery operated and features an LCD readout display.

Complete operating and epoxy measuring instructions are imprinted under the lid of the scale Simple recalibration instructions are supplied within the carton. A full two-year repair or replacement, limited warranty certificate is also provided.

The scale is presented as part of a kit consisting of dispensing bottles, 3¼ oz. and 1 oz plastic cups, mixing sticks and pipe cleaners.


Price:$47.04

6 Items Found in Epoxy WEST System Products WEST System Pumps & Tools WEST System Pumps
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Fiberglass Supply
11824 Watertank Rd
Burlington, WA 98233
United States
Ph: 877-493-5333
Fax: 360-757-8284
e-mail: jreeves@fiberglasssupply.com
 

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WEST System 305 (5:1 ratio) Positive Displacement
The WEST System 305 Positive Displacement Pump dispenses fiv...

Price: $1,045.96 / Each
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West 300 Mini Pump Set
West 300 Mini Pump Set A convienent way to dispense W...

Price: $16.16 / EA
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