The West System 104 Junior Pack is a 600 gram West System epoxy with 105 Resin and 205 Slow Hardener. Designed for the small user or a refill for the Handy Repair Pack. WEST SYSTEM epoxy cures to a high-strength plastic solid at room temperatures, by mixing specific proportions of liquid epoxy resin and hardener. This highly moisture-resistant plastic adheres to a wide range of materials, making it ideal for projects that require water and chemical resistance, and strong physical properties for structural bonding. Select from a range of hardeners and additives that allow you to tailor the mixture's handling characteristics and the physical properties of the cured epoxy to suit your working conditions and specific coating or bonding application. 105 Epoxy Resin – the starting point for all applications - can be mixed with a hardener and cured in a wide range of temperatures to form a high-strength solid with excellent moisture resistance. By selecting the right hardener, this cured epoxy resin-hardener mix can be used be bond to a wide range of materials. 105 resin mixed with the 205 standard hardener is used in the majority of situations to produce a rapid cure. This cured resin/hardener mixture yields a high-strength, rigid solid which has excellent cohesive properties and provides an outstanding moisture vapour barrier with excellent bonding & coating properties. Pot Life at 25°C = 10 to 15 minutes Cure to Solid State at 21°C = 5 to 7 hours Cure to Maximum Strength at 21°C = 5 to 7 days Minimum Recommended Working Temperature = 5°C Pumps Required = (5:1 ratio) 301, 306 or 309
