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🛠️ Elevate your epoxy game — strong bonds, zero compromise!
WEST System® 404 High-Density Epoxy Filler is a premium thickening additive designed to maximize epoxy resin strength and durability. Made in the USA, it creates gap-filling, non-slumping mixtures ideal for hardware bonding, structural fillets, and repairs. Compatible with multiple WEST SYSTEM epoxies, it offers customizable viscosity and water resistance, making it a must-have for professional-grade woodworking and structural applications.



















| ASIN | B0006JJAU6 |
| Best Sellers Rank | #77,105 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #106 in Wood Filler |
| Brand Name | West System |
| Color | off-white |
| Compatible Material | Wood |
| Container Type | Aerosol Can |
| Customer Reviews | 4.7 4.7 out of 5 stars (107) |
| Included Components | FILLER HIGH-DENSITY 43 OZ |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | West System Filler |
| Item Weight | 16 ounces |
| Manufacturer | Gougeon Brothers, Inc. |
| Material Type | epoxy; filler |
| Model | 404-45 |
| Other Special Features of the Product | Strong |
| Part Number | 404-45 |
| Specific Uses For Product | Carpentry, Gap Filling, Hardware Bonding, Repair, Structural Fillets, Woodworking |
| UPC | 811343011413 |
| Unit Count | 43 Ounce |
| Viscosity Level | High |
| Volume | 219 ml |
| Warranty Description | Limited Warranty |
| Water Resistance Level | Water Resistant |
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