Reddit reviews West System 105A Epoxy Resin (32 fl oz) Bundle with 205A Fast Epoxy Hardener (7 fl oz) and 300 Mini Pumps Epoxy Metering 3-Pack Pump Set (3 Items)
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BUNDLE INCLUDES: West System 105A Epoxy Resin (32 fl oz), 205A Fast Epoxy Hardener (7 fl oz), and 300 Mini Pumps Epoxy Metering Pump Set (3-Pack)WEST SYSTEM EPOXY: Based on 105 Epoxy Resin, West System Epoxy is a versatile low-viscosity epoxy system. It is used for boat building, composite construction and repairs that require high-strength, waterproof coating, bonding, and filling. It readily wets out fabrics and porous materials, and is easily modified for a wide range of working conditions and applicationsNO STRONG SOLVENT ODOR: 105 Epoxy Resin is formulated without volatile solvents and does not shrink after curing. It has a relatively high flash point and no strong solvent odor, making it safer to work with than polyester or vinylester resins. Resin viscosity is approximately 1000 centipoise (cP) at 72-degree-F (22-degree-C)PRE-WARM THE RESIN AND HARDENER: Cold temperatures increase an epoxy’s viscosity, making it harder to dispense, mix and apply. Warming resin and hardener reduces their viscosity, so they flow easily through their dispensing pumps. To pre-warm, place the resin and hardener containers under a warming lamp or in a warm-water bath. Pre-warmed resins and hardeners will not cling as much to your mixing equipmentFIVE-PART RESIN TO ONE-PART HARDENER RATIO: Mix 205 Fast Epoxy Hardener with 105 Epoxy Resin in a five-part resin to one-part hardener ratio. The resulting cured epoxy is a rigid, high-strength, moisture-resistant solid. The combination of 105 Resin/205 Fast Hardener has excellent bonding and coating properties. The West System 205 Fast Hardener is formulated to cure well at temperatures as low as 40-degree-F
Depends on your 'philosophy' in knife making. Personally I feel that the epoxy shouldn't be used to keep everything together, it is more just an added thing to keep things in place. If you are relying on glue alone (or mostly) to hold your knife together you are in a pretty rough place with that knife. You should make sure your fit of the tang into the handle is solid (not lots of wiggle room) this will go a long way. Next a single pin through the handle and the tang gets you to 90-95%. Adding the epoxy just makes up for any slack and keeps things in place. Personally I just use the JB Weld brand rated for bonding metal. I see a lot of people using this epoxy -> https://www.amazon.com/System-Epoxy-Resin-Hardener-Metering/dp/B07JHC28CV?keywords=west+system&qid=1540668531&s=Industrial+%26+Scientific&sr=1-14&ref=sr_1_14 but I don't make enough knives for it to be economically practical.