Epoxies and additives

WEST SYSTEM mini pumps and the correct epoxy mixing ratio

All epoxies are designed to be used with a specific resin to hardener ratio. The correct mixing ratio is crucial to the final strength and durability of the epoxy. Adding hardener will not speed up the curing process, but will reduce the mechanical properties of the cured epoxy.

WEST SYSTEM mini pumps are designed to make it easy to dispense the correct mix ratio and eliminate the risk of measurement errors.

Correct mixing ratio

• Epoxy must always be mixed in the ratio specified by the manufacturer.

• One press of the resin pump is equivalent to one press of the hardener pump

• The mixing ratio is five parts resin and one part hardener by weight.

• Adding too much hardener will reduce the final strength.

Benefits of WEST SYSTEM mini pumps

WEST SYSTEM mini pumps are calibrated to dispense precise amounts of WEST SYSTEM 105 resin and 205 or 206 hardener. The pumps attach directly to the resin and hardener containers, eliminating the need for manual measuring.

• Accurate and easy dosing

• The right mix ratio with every push

• Suitable for continuous use

• Reduces the risk of mixing errors

One full press of either pump dispenses approximately:

• 25 g resin

• 5 g hardener

Compatibility

• Mini pumps are designed for WEST SYSTEM 105 resin and 205 or 206 hardeners

• Make sure the resin, hardener and mini pumps are the same package size

• The package sizes are marked with the letters A, B, C or E.

Available models

• 301A mini pumps for A-tanks

• 301B mini pumps for B-tanks

• 301C mini pumps for C-vessels

WEST SYSTEM mini pumps are a reliable and easy-to-use solution for properly mixing epoxy.

WEST SYSTEM 105 Epoxy Resin

WEST SYSTEM 105 Epoxy Resin is the foundation of the WEST SYSTEM family of products and the basis for all epoxy compounds. The resin is clear, light brown and easy to flow, and is excellent for wetting wood fibers, fiberglass and various metals in combination with WEST SYSTEM hardeners.

105 resin can be cured at a variety of temperatures, resulting in a very strong and tight surface that effectively prevents moisture from penetrating the wood. Epoxy works as an excellent bonding and coating material, and when modified with fillers, it can fill holes and depressions, which can later be sanded and shaped.

When applied with a roller, the resin forms a thin, self-leveling film without bubbles. The cured epoxy surface is clear, and when coated with a two-component varnish, it creates a striking natural wood finish.

105 resin has a high flash point, making it safer to use than polyester resins. The product also does not release solvent odors or fumes.

Applications

• Moisture protection of wood

• Fiberglass and metal surfaces

• Bonding and coating

• Boat building and repair

• Filling and shaping with fillers

Features

• Clear and light brown epoxy resin

• Easy-flowing and very moisturizing

• Excellent moisture protection

• Self-leveling when applied as a thin film

• No solvent vapors

• Safer than polyester resins

Compatibility

• For use with WEST SYSTEM hardeners

• There is a corresponding hardener and mini pump for each resin package size

• Pack sizes marked with the letters A, B, C or E

  
  

WEST SYSTEM 205 Hardener

WEST SYSTEM 205 Hardener is the most commonly used hardener under normal working conditions, providing fast cure and excellent mechanical properties.

When 105 resin is mixed with hardener 205 in a weight ratio of five parts resin to one part hardener, the end result is a highly durable and dense surface with excellent bonding and coating properties and effective moisture protection.

Features

• Fast curing

• Excellent strength and cohesion

• Suitable for bonding and coating

• Good moisture resistance

Specifications

• Mixing ratio by weight 5:1

• Pot life at 25 C 10–15 minutes

• Curing time at 21 C 5–7 hours

• Full strength at 21 C 5–7 days

• Lowest recommended working temperature 5 C

• Compatible pumps 301, 306 and 309

105 Epoxy resin

205 Hardener

• Pot life (25°C) 10–15 minutes
• Curing time (21 °C) 5–7 hours
• Curing time to maximum strength (21 °C) 5–7 days
• Lowest recommended working temperature 5° C
• Required pumps (Ratio 5:1) 301, 306, 309

Flexible epoxy for challenging bonding applications. Suitable for various arch structures and fiberglass repairs in places where the materials are subjected to heavy stress. Suitable for use with additives.

Multi-purpose, precipitating additive for bonding, filling and grouting. Can be used to prevent resin from running off on wall and ceiling surfaces and to control the viscosity of epoxy. Often used in combination with other fillers to control the performance of epoxy mixtures, e.g. to thicken leveling compounds. Add 3–8% by weight to the epoxy-hardener mixture.

Color: off-white

A cotton fiber blend used as a precipitating additive for bonding. Microfiber-precipitated epoxy is great for wetting wood surfaces and filling voids. Add 4% to 16% microfiber by weight to your WEST SYSTEM epoxy mix.

Color: off-white

WEST SYSTEM 105 Epoxy Resin

WEST SYSTEM 105 Epoxy Resin is the foundation of the WEST SYSTEM family of products and the basis for all epoxy compounds. The resin is clear, light brown and easy to flow, and is excellent for wetting wood fibers, fiberglass and various metals in combination with WEST SYSTEM hardeners.

105 resin can be cured at a wide range of temperatures, resulting in a very strong and tight surface that effectively prevents moisture from penetrating the wood. Epoxy works as an excellent bonding and coating material, and when modified with WEST SYSTEM fillers, it can fill holes and depressions that can later be sanded and shaped.

When applied with a roller, the resin forms a thin, self-leveling film without bubbles. The cured epoxy surface is clear, and when coated with a two-component varnish, it creates a striking natural wood finish.

105 resin has a high flash point, making it safer to use than polyester resins. The product also does not release solvent odors or fumes.

Applications

• Moisture protection of wood

• Fiberglass and metal surfaces

• Bonding and coating

• Boat building and repair

• Filling and shaping with fillers

Features

• Clear and light brown epoxy resin

• Easy-flowing and very moisturizing

• Excellent moisture protection

• Self-leveling when applied as a thin film

• No solvent odors or fumes

• Safer to use than polyester resins

Compatibility

• For use with WEST SYSTEM hardeners

• There is a corresponding hardener and mini pump for each resin package size

• Pack sizes marked with the letters A, B, C or E

  
  

WEST SYSTEM 206 Slow Cure

WEST SYSTEM 206 is a low viscosity slow cure product designed for use with 105 epoxy resin. It offers extended pot life and is particularly suitable for warmer conditions or extensive coating and bonding applications.

When 105 resin is mixed with 206 hardener in a weight ratio of five parts resin to one part hardener, the result is a strong, moisture-repellent and solid surface with excellent coating and bonding properties.

Features

• Slow curing

• Longer operating time

• Excellent strength and moisture resistance

• Suitable for extensive and demanding work

Specifications

• Mixing ratio by weight 5:1

• Pot life at 25 C: 20–30 minutes

• Curing time at 21 C 9–12 hours

• Full strength at 21 C 5–7 days

• Lowest recommended working temperature 16 C

• Compatible pumps 301, 306 and 309

2-component epoxy putty for most materials above and below the waterline. For both scratches and deeper holes. - Light blue.

Correct epoxy mixing ratio and WEST SYSTEM mini pumps

All epoxies are designed to be used with a specific resin to hardener ratio. It is very important to follow the manufacturer's recommended mixing ratio to ensure the epoxy achieves its intended strength and durability properties. Adding hardener will not speed up the curing process, but will reduce the final strength of the cured epoxy.

WEST SYSTEM mini pumps are designed and calibrated to always dispense the correct mix ratio. One press of the resin pump equals one press of the hardener pump.

Correct mixing ratio

• Epoxy should always be mixed according to the manufacturer's instructions.

• The mixing ratio by weight is 5 parts resin and 1 part hardener.

• Adding too much hardener will weaken the properties of the epoxy.

Benefits of WEST SYSTEM mini pumps

Mini pumps are designed for accurate and easy dispensing of WEST SYSTEM 105 resin and 205 or 206 hardeners, eliminating the need for manual measuring and reducing the risk of mixing errors.

• Accurate and easy dosing

• The right mix ratio with every push

• Attaches directly to resin and hardener containers

• Suitable for continuous use

One full press of either pump dispenses approximately:

• 25 g resin

• 5 g hardener

Compatibility

• Mini pumps are designed for WEST SYSTEM 105 resin and 205 or 206 hardeners

• Make sure the resin, hardener and mini pumps are the same package size

• The pack sizes are marked with the letters A, B, C or E.

Available models

• 301A mini pumps for A-tanks

• 301B mini pumps for B-tanks

• 301C mini pumps for C-vessels

WEST SYSTEM mini pumps ensure the correct mixing ratio and the best possible results.

Epoxy putty Plastic Padding Marine Epoxy

Plastic Padding Marine Epoxy is an effective and versatile epoxy putty for repairing damage and holes on boats, both above and below the waterline. The product forms a hard surface and is particularly suitable for underwater repairs.

Marine Epoxy is not just a putty, but a multi-purpose solution for filling, bonding, gluing and sealing. It can be used on fiberglass, wood, all metals and concrete and is excellent for joining different materials. The end result is durable and waterproof and resistant to gasoline, diesel, cleaning agents and polishes.

The putty can be applied in thick layers without the risk of shrinkage or cracking. It can be painted with both 1-component and 2-component paints as well as antifouling paints. The product does not have to be painted over.

Applications

• Boat hulls above and below the water surface

• Fiberglass

• Wood

• Metals

• Concrete

• Filling, gluing, sealing and joining

Features

• Two-component epoxy putty

• Suitable for underwater repairs

• Waterproof and very durable

• Resistant to fuels and cleaning agents

• Can be applied in thick layers

• Will not shrink or crack

• Can be painted and primed

• Workable after 3–6 hours of hardening

Instructions

Preparation

• The surface to be repaired must be completely clean.

• Remove rust, dirt, oil, grease and wax

• Sand the surface with coarse sandpaper, grit 120–240.

Blend

• Mix in a ratio of 1:1

• Take equal amounts of base and hardener.

• Mix thoroughly until the color is even.

Dissemination

• First apply a thin layer by scraping to allow the compound to penetrate the sanding patterns.

• Fill immediately to desired thickness

• Curing begins immediately after mixing

• After approximately one hour, the surface can be smoothed with a wet trowel.

• The ambient temperature must be at least +5 C.

Tip

• Always sand the putty before further processing.

• Can be painted with 1 and 2 component paints and primer

Specifications

• Product name Marine Epoxy

• Volume 270 ml

• Product type Two-component epoxy putty for boat repairs above and below the waterline

• Suitable materials Fiberglass, wood, metal, concrete

• Color Light gray

• Shelf life unopened 24 months

• Storage temperature 15–25 C

• Store in a dry and cool place.

• Protect from fire, heat sources and direct sunlight.

Very strong two-component epoxy adhesive. Bonds most materials such as stone, metal, wood and concrete. Cures in 5 minutes. Full strength is reached after 24 hours. Tensile strength up to 200 kg/cm².

Plastic mixing container, 500 ml, with scale.