What kind of epoxy is west system?

105 Epoxy Resin is the base material on which all WEST SYSTEM 105 System epoxy compounds are built. It is a clear, pale yellow, low-viscosity liquid epoxy resin. Blended with hardener at the proper ratio, it cures to a hard, solid plastic with superior physical properties.

How long does it take for West System epoxy to cure?

6-8 hours
#205 Fast Hardener, mixed at a 5:1 ratio with #105 Resin, results in a pot life of 9-12 minutes at 72°F, with solid cure in 6-8 hours.

What is West System epoxy used for?

WEST SYSTEM 105 Resin-based epoxy is a structural coating. It’s applied in thin layers, usually unmodified, to provide a protective film or barrier, or a stable structural base for filling, bonding and finish coatings. Use coating techniques to waterproof or seal surfaces that can be damaged by moisture.

How thick can you pour WEST SYSTEM epoxy?

While it is a slower curing system, it still should not be poured more than ¼” deep at a time. We have found that building up castings ¼” at a time allows the epoxy to cure without overheating.

Does West epoxy smell?

WEST SYSTEM 205 Fast Hardener This hardener may emit a strong ammonia-like odor if it has been stored in a closed container for a long time. Once opened, the ammonia odor escapes and the hardener’s scent returns to normal.

Does West System epoxy go bad?

Once you start getting into the higher-grade epoxies, such as West System you will have an indefinite shelf-life. The biggest indicator, and turnoff, of using old epoxy is going to be the color change. After a while, it will become a yellowish color even after fully cured.

Is WEST SYSTEM epoxy gasoline resistant?

All types and variations of tanks have been successfully constructed with WEST SYSTEM® Brand epoxy and used in the field with great results. Regarding gasoline specifically, some epoxy combinations are more resistant than others.

Why did my epoxy not cure?

Most common issue of epoxy not curing is by not using the correct mix ratio. Epoxy Resin is a two part system that requires the correct amount of Part A and Part B to be measured at the correct mix ratio whether it’s 5:1, 3:1, 2:1 or 1:1. If measured and mixed correctly the epoxy will cure 100% of the time.

What is the shelf life of West system epoxy?

Shelf life of general-purpose polyester resin is six months to a year from the time it is manufactured. WEST SYSTEM epoxy is routinely used to repair structural damage to fiberglass boats over a wide temperature range. Hardeners are available for curing it from 40°F on up.

What is the cure time for West system epoxy?

The epoxy is pre-thickened to prevent sagging during the curing process. As the epoxy is mixed or spread, it will thin slightly and can be used to wet out moderate weight fiberglass or carbon fiber. Initial cure is achieved in 5-6 hours.

Where to purchase epoxy resin?

You can find epoxy resin products from different brands at leading online stores like Amazon, Walmart and eBay. They can also be purchased from certain specialty art stores, Home Depot, Lowe’s and other hardware and chemical supply stores.

Is it safe to work with epoxy resin?

Epoxy resin is generally non-toxic and poses minimal threats if accidentally ingested, touched, or inhaled. However, as with all epoxy resins, you should take basic safety precautions when working with epoxy resin. Epoxy resin comes in three forms: cured, uncured, and dust.