West System Fillers and Additives


Filler Selection Guide Rating: 4=Excellent, 0=Not Recommended
Uses Adhesive Fillers Fairing Fillers
Resin/hardener thickened with filler.
Use description - characteristics		 Highest Density Lowest Density
Highest Strength Easiest Sanding
404 406 403 405   407 410
Bonding Hardware
Maximum Strength 		4 3 3 2   0 0
General Bonding
Strength/Gap Filling 		3 3 3 2   1 0
Bonding w/ Fillets
Smoothness/strength		 2 4 2 3   3 0
Wood Laminating
Gap Fillings/strength		 2 3 4 2   2 0
Fairing
Sandability/Gap Filling 		0 0 0 0   3 4
See page 28 in the Users Manual for more details.



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403 Microfiber Filler

West Systems 403 Microfibers

 
  • Thickening additive that builds volume quickly
  • Cures to a off-white color

Ideal for use in

  • Epoxy thickening and gap filling
  • Creates a multipurpose adhesive for wood bonding
West System - 403 Microfibers, 6 oz.
Item #: FL-403-9
$21.74

Qty:
West System - 403 Microfibers, 20 oz.
Item #: FL-403-28
$40.92

Qty:


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404 High Density Filler

West Systems 404 High Density

 
  • Thickening additive that developes maximum strength
  • Cures to a off-white color

Ideal for use in

  • Epoxy thickening for high load joints
  • Creates high strength for hardware mounting
West System - 404 High-Density, 15.2 oz.
Item #: FL-404-15
$24.10

Qty:
West System - 404 High-Density, 43 oz.
Item #: FL-404-45
$51.26

Qty:


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405 Filleting Blend Filler

West Systems 405 Filleting Blend

 
  • Strong wood toned filler for joints and fillets
  • Cures to a dark brown color

Ideal for use in

  • Epoxy filler for joints on naturally finished wood.
  • Modify the color of other west systems fillers
West System - 405 Filleting Blend, 8 oz.
Item #: FL-405
$25.71

Qty:


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406 Colloidal Silica Filler

406 Colloidal Silica

 
  • Thickening additive to increase the viscosity of epoxy
  • Improves the strength of joints and fillets
  • Cures to a off white color

Ideal for use in

  • Prevents epoxy runoff in vertical and overhead joints
  • Combined with other fillers to control viscosity
West System - 406 Colloidal Silica, 1.7 oz.
Item #: FL-406-2
$21.07

Qty:
West System - 406 Colloidal Silica, 5.5 oz.
Item #: FL-406-7
$44.77

Qty:
West System - 406 Colloidal Silica, 10 lb.
Item #: FL-406-B

SPECIAL ORDER!
$308.39

Qty:


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407 Low Density Filler

407 Low Density

 
  • Blended microballon filler
  • Easy to sand or carve
  • Cures to a dark red/brown color

Ideal for use in

  • Light weight fairing and filling
West System - 407 Low Density, 4 oz.
Item #: FL-407-5
$32.82

Qty:
West System - 407 Low Density, 12 oz.
Item #: FL-407-15
$72.65

Qty:


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410 Microlight Filler

410 Microlight filler

 
  • Ideal low density filler
  • Easy to sand or carve
  • Cures to a light tan color

Ideal for use in

  • Light weight fairing and filling
  • Easy to fair and sand to a fine edge
West System - 410 Microlight, 2 oz.
Item #: FL-410-2
$26.90

Qty:
West System - 410 Microlight, 5 oz.
Item #: FL-410-7
$49.95

Qty:
West System - 410 Microlight, 4 lb.
Item #: FL-410-B

SPECIAL ORDER!
$420.24

Qty:



WEST SYSTEM ADDITIVES

West System - 423 Graphite Powder, 12 oz.
Item #: FL-423
$31.93

Qty:
West System - 501 White Pigment, 4 oz.
Item #: WS-501-8
$24.56

Qty:
West System - 502 Black Pigment, 4 oz.
Item #: WS-502-8
$24.56

Qty:
West System - 503 Gray Pigment, 4 oz.
Item #: WS-503-8
$24.56

Qty:

Prices are in US dollars and subject to change without notice.