West System 407 Low-Density Filler
407 Low-Density is a blended microballoon-based fairing filler for WEST SYSTEMĀ® Epoxy. Add 407 to a mixture of epoxy resin/hardener to create a fairing putty. Itās easy to sand or carve this putty once it has cured. The filler is reasonably strong on a strength-to-weight basis. Blended with epoxy to a āpeanut butterā consistency, it will be easy to fair. The higher the percentage of 407 in your epoxy mix, the easier it will be to fair. You can blend it into any WEST SYSTEM 105 Epoxy ResinĀ®/200 Series Hardener combination.
Designed for:
- Fairing
- Carving
- Thickening
PROJECT USES:
Thicken blended resin/hardener and create a multi-purpose adhesive for:
- Large Scale Fairing
- Fiberglass Repairs
- Architectural Repairs
- Autobody Repairs
- Marine Repairs
Product Specifications:
- Blended Microballoon base
- Color | Red/Brown
- Cures to Dark Red/Brown
WARNING This product can expose you to chemicals including, crystalline silica, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Product Information
Product Information
Shipping & Returns
Shipping & Returns



West System 407 Low-Density Filler
West System 407 Low-Density Filler
407 Low-Density is a blended microballoon-based fairing filler for WEST SYSTEMĀ® Epoxy. Add 407 to a mixture of epoxy resin/hardener to create a fairing putty. Itās easy to sand or carve this putty once it has cured. The filler is reasonably strong on a strength-to-weight basis. Blended with epoxy to a āpeanut butterā consistency, it will be easy to fair. The higher the percentage of 407 in your epoxy mix, the easier it will be to fair. You can blend it into any WEST SYSTEM 105 Epoxy ResinĀ®/200 Series Hardener combination.
Designed for:
- Fairing
- Carving
- Thickening
PROJECT USES:
Thicken blended resin/hardener and create a multi-purpose adhesive for:
- Large Scale Fairing
- Fiberglass Repairs
- Architectural Repairs
- Autobody Repairs
- Marine Repairs
Product Specifications:
- Blended Microballoon base
- Color | Red/Brown
- Cures to Dark Red/Brown
WARNING This product can expose you to chemicals including, crystalline silica, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Original: $37.48
-65%$37.48
$13.12Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
407 Low-Density is a blended microballoon-based fairing filler for WEST SYSTEMĀ® Epoxy. Add 407 to a mixture of epoxy resin/hardener to create a fairing putty. Itās easy to sand or carve this putty once it has cured. The filler is reasonably strong on a strength-to-weight basis. Blended with epoxy to a āpeanut butterā consistency, it will be easy to fair. The higher the percentage of 407 in your epoxy mix, the easier it will be to fair. You can blend it into any WEST SYSTEM 105 Epoxy ResinĀ®/200 Series Hardener combination.
Designed for:
- Fairing
- Carving
- Thickening
PROJECT USES:
Thicken blended resin/hardener and create a multi-purpose adhesive for:
- Large Scale Fairing
- Fiberglass Repairs
- Architectural Repairs
- Autobody Repairs
- Marine Repairs
Product Specifications:
- Blended Microballoon base
- Color | Red/Brown
- Cures to Dark Red/Brown
WARNING This product can expose you to chemicals including, crystalline silica, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.









