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Product Specifications:
- Dispenses three parts resin and one part hardener (3:1) by volume.
- Two separate parallel pump systems, one for the resin and one for the hardener
- Single lever pump-system
- Pump delivers 0.5 fl oz of resin and hardener per full stroke
- Calibrated for WEST SYSTEM 3:1 ratio epoxies (207 Special Clear Hardener or 209 Extra Slow Hardener)
- Can be converted to a 5:1 ratio
Product Uses:
- Streamlines the metering process for high-volume users
- 105 Resin and 207 or 209 Hardeners
- Quickly dispenses proper mix for large batch processes
- Reduces measuring/metering time on large projects
- Convenient carrying handle to bring the pump where the work is
Epoxy Ratio Ranges:
Check the ratio of resin to hardener dispensed by the pump before using. Recheck the ratio periodically or if you later experience incomplete or unusually fast or slow curing.
- Weight Ratio Range
- 105/207 [3.4:1 | 4.2:1]
- 105/209 [3.3:1 | 4:1]
- Volume Ratio Range
- 105/207 [2.9:1 | 3.6:1]
- 105/209 [2.8:1 | 3.4:1]

Pumps & Large Batch Mixing Methods
QUICK LINKS Helpful Tips, Safety Guidelines, Manuals, and More:

Thickening
Modifying with fillers and additives makes WEST SYSTEM epoxy extremely versatile for a wide variety of bonding and coating applications. Epoxy can be thickened to the ideal consistency needed for a particular job. Epoxy thickened with adhesive (high-density) fillers strengthens structural bonds, bridges gaps, and fills voids. Epoxy thickened with fairing (low-density) fillers is easily sanded and shaped after it cures.