West System® 105 Epoxy Resin is the base material on which all West System® 105 System epoxy compounds are built. The resin is a clear, pale yellow, low-viscosity liquid epoxy resin. Formulated for use with West System® 205 fast set hardener, 206 slow set hardener, 207 special clear hardener or 209 super slow tropical hardener. It can be cured in a wide temperature range to form a high-strength solid with excellent moisture resistance.
West System® 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 odour, making it safer to work with than polyester or vinyl ester resins. Resin viscosity is approximately 1000 centipoise (cp) at 22°C.
105 Resin is designed specifically to wet out and bond with wood fibre, fibreglass, reinforcing fabrics and a variety of metals when mixed at the proper ratio with a West System hardener. An excellent adhesive, West System® 105 mixtures will bridge gaps and fill voids when modified with West System fillers and can be sanded and shaped when cured. With roller applications, it has excellent thin-film characteristics to flow out and self-level without “fish-eyeing”. When used with West System® 207 Hardener, mixtures cure clear so you can achieve a natural finish when coating with varnish.
Resin 105 is mixed at a ratio of 5:1 by volume with West System® 205 fast set hardener, 206 slow set hardener, and at a ratio of 3:1 by volume with West System® 207 special clear hardener or 209 super slow tropical hardener.
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