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🛠️ Elevate your epoxy game—don’t just fix it, fortify it!
WEST SYSTEM 403 Microfibres Filler is a 160g powder additive designed to thicken two-part epoxy resin, enhancing gap filling, strength, and waterproof durability. Ideal for marine, woodworking, and fiberglass repairs, it mixes at 4-16% by weight to deliver professional-grade, weatherproof bonding that stands the test of time.
| ASIN | B0CSK4763B |
| Best Sellers Rank | 16,003 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,654 in Adhesives & Sealers |
| Brand | West System |
| Colour | Cures to an off-white colour. |
| Compatible Material | Engineered Wood |
| Container Type | Aerosol Can |
| Customer Reviews | 4.6 out of 5 stars 70 Reviews |
| Global Trade Identification Number | 05063369040303 |
| Included Components | WEST SYSTEM® Microfibres Filler (160g) |
| Item Form | Powder |
| Item Package Quantity | 1 |
| Item Type Name | Epoxy Filler |
| Item form | Powder |
| Manufacturer | Wessex Resins & Adhesives Ltd |
| Manufacturer Part Number | 403-1 |
| Material | Powder |
| Model Number | 403-1 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Waterproof, Enhanced Strength, Durable |
| Special feature | Waterproof, Enhanced Strength, Durable |
| Specific Uses For Product | Woodworking |
| Specific uses for product | Woodworking |
| Unit Count | 1.0 count |
| Viscosity Level | High |
| Water Resistance Level | Waterproof |
J**V
Not cheap but always recommended as the best type of filler to use.
Well known as one of the best filler materials for epoxy use. Very light in weight and 'blows about' in the wind when opened but does the job well. Price seems crazy high but I guess you get what you pay for.
A**G
Excellent product
Did the job. Fixed a moderately large hole in a dinghy with this product packing out the epoxy. Smooth finish and indistinguishable once polished. Excellent product.
A**E
Highly recommend
Perfect
I**S
Good product
I usually buy “cab O sil” from east coast fiberglass supplies and I purchased this west system silica powder as I needed it fast for a boat repair. Seems to work just as well as my favoured product, a bit more expensive and the scoop that’s included could be taped or stung to the lid so you don’t need to go fishing for it in the bottom of the tub. Overall I’d buy again if I’m needing it fast. And don’t forget to wear your PPE as it gets everywhere!
P**S
Makes 2 part epoxy nice and stiff...
I used this to make 2 part 5min epoxy "stiffer" so it would not run downhill when used in small quantities.. this stuff is very, very light weight and quite fly-away and to use 5% by weight is actually quite a lot, I guess I use about half that amount and the epoxy goes about 80% of where I need it to be but just so much better than raw epoxy so its worth the fuss of mixing it... Really unique product, like it a lot!!
D**M
Good stuff
My go-to additive for West system epoxy for bonding
M**E
Stops it running
Industry standard for thickening epoxy resin
A**R
good
good
3**Z
Super
Superschnell!
C**N
Conforme à la description
Conforme . Utilisé pour charger de la résine epoxy et du gel coat
J**Z
Se disuelve muy bien con gel coat
Funciona al 100% con el gel coat de otras marcas. Lo recomiendo.
B**I
Perfect
Par contre les gars , prévoyez masques protection exceptionnelle les particules sont extra fine , don cpour les blair comme moi qui connaissent pas , ça fonctionne treeeeees bien mais faut monter sont petit labo étanche pour pas que ça rentres partout et dans les poumons . Je rigole pas c'est très , très , très légé
P**.
Perfekte Packungsgröße
Schnelle Lieferung, gute Menge für mein Vorhaben !
Trustpilot
1 week ago
2 weeks ago