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โก Fast, fierce, and flawlessly strongโbond like a pro with WEST SYSTEM 205!
WEST SYSTEM 205 Fast Hardener is a high-performance epoxy hardener designed to cure quickly within 5-7 hours, delivering exceptional tensile strength of 7845 PSI. When combined with WEST SYSTEM 105 Epoxy Resin at a 5:1 ratio, it creates durable, waterproof bonds ideal for wood, fiberglass, metal, and marine applications. Its minimal shrinkage ensures stable, long-lasting repairs, making it the go-to choice for professionals and DIY enthusiasts seeking fast, reliable results.











| ASIN | B00C508JMO |
| Best Sellers Rank | 54,300 in DIY & Tools ( See Top 100 in DIY & Tools ) 248 in Universal Adhesives |
| Brand | West System |
| Colour | clear |
| Compatible Material | Fabric, Foam, Wood |
| Container Type | Can |
| Customer Reviews | 4.5 out of 5 stars 251 Reviews |
| Full Cure Time | 5 Hours |
| Global Trade Identification Number | 05063369020503 |
| Included Components | WEST SYSTEM 205 Fast Hardenerยฎ (0.2kg) |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Volume | 200 Millilitres |
| Item form | Liquid |
| Manufacturer | Wessex Resins & Adhesives Ltd |
| Manufacturer Part Number | 205A |
| Material | Epoxy Resin , Resin |
| Model Number | 205A |
| Other Special Features of the Product | Fast Drying, Strong |
| Special feature | Fast Drying, Strong |
| Specific Uses For Product | Boat Repair, Boat Restoration, DIY, Wood Repair, Fibreglass Repair |
| Specific uses for product | Boat Repair, Boat Restoration, DIY, Wood Repair, Fibreglass Repair |
| Tensile Strength | 7845 Pounds Per Square Inch |
| Unit Count | 1.0 count |
| Viscosity Level | Medium to High |
| Water Resistance Level | Water Resistant |
S**E
Wear gloves
Does what it says on the can.
G**A
Epoxy
Poor quality,the final product is yellow and cracked
P**P
Poor
Second one Iโve ordered not even half full.
M**Y
Very disappointed
Can only 1/3 full
S**.
Fast and convenient
This was my first time using West System epoxy. I bought this along with the kit with the 204A hardener. The 205 hardener worked great with plenty of working time for some butcher block waterfall counter tops I was assembling. Thick enough to address some minor gaping issues yet thin enough to squeeze out properly for a great wood joint. I've use the hardware store epoxies or small bottle epoxies for many years and finally bit the bullet for West System. More expensive upfront but much cheaper overall. It is so much more convenient. The pumps are quick and so much more accurate for ensuring a proper cure. I highly recommend this product.
A**R
Excellent product
Excellent product! Shipped very fast.
C**R
Harbner
Great product
M**E
Works as advertised
West system products worked very well. Easy to mix and apply with use of measuring hand pump, and syringe. Used to harden soft spots on RV floor. Make sure your holes are NOT drilled completely through the floor, or product will just run through. This product has a thin viscosity in order to inject where needed. Takes time to harden. Starts to harden within about 10-15 minutes. Oder is minimal which was a great surprise. Still used in well ventilated area.
R**.
West System 205-A Fast Hardener
The West System is by far the best epoxy on the market to date! Easy to use! No mass. Simple to mix by pump! Use 205-A (Fast Hardener) or (206 Slow Hardener) I have been using it for 25 years and never had a problem with it! Great Epoxy!
Trustpilot
4 days ago
5 days ago