West System – Special Clear Hardener 207

28.00 ex. VAT

West System 207 is a blush-free, special clear hardener for coating and fiberglass cloth application where an exceptionally clear, moisture-resistant, natural wood finish is desired

When used with 105 Epoxy Resin, 207 Hardener will not blush or turn cloudy in humid conditions. Thin film applications will roll out and tip off smoothly, requiring less sanding in preparation for finish coatings.

How to use

Mix it with West System 105 Resin in a three-part resin to one-part hardener ratio 3:1

Working details

Mix Ratio: 3 parts resin : 1 part hardener
Pot life at 22°C  20 to 26 minutes
Cure to a solid state: 10 to 15 hours
Cure to maximum strength: 4 to 7 days
Minimum recommended temperature: 16°C

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West System Epoxy is a versatile, moisture resistant, high-strength plastic which adheres to a wide range of materials including fibreglass and PVC. This makes it ideal for projects that require water and chemical resistance and strong physical properties for structural bonding.

West System 105 Epoxy Resin

West System 105 Epoxy Resin is the base material on which a 105 System epoxy compounds are built. The resin is a clear, pale yellow, low-viscosity liquid epoxy resin. Formulated for use with West System hardeners, it can be cured in a wide temperature range to form a high-strength solid with excellent moisture resistance.

105 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 vinylester resins. Resin viscosity is approximately 1000 centipoise (cp) at 72 F (22C),

105 Resin is designed specifically to cover and bond with wood fibre, fiberglass, reinforcing fabrics and a variety of metals when mixed at the proper ratio with a West System hardener. An excellent adhesive, 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.105 Resin/207 Hardener mixtures cure clear so you can achieve a natural finish when coating with varnish.

West System 205 Hardener

205 Hardener is standard cure time hardener.

For larger projects or where a slower cure time is required, use 206 Hardener

Epoxy & Fillers Selection Guide

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Coverage Guide

Estimating quantities is very important, but also quite tricky, due to the large differences of coverage depending on the thickness,

viscosity and room temperature at which it is applied. The below is a guide for the resin without fillers, at the mid ranges.

coverage.jpg

Approvals

All West System products are manufactured under a Quality Management System that conforms to BS EN ISO 9001:2000. As a result West System epoxy is a marine epoxy of the highest quality; to the extent that it has been approved by the Lloyds Register of Shipping for the last 20 years.

Instructions

How to use

Mix it with West System 105 Resin in a three-part resin to one-part hardener ratio 3:1

Product Documents