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. |
|
Untitled Document
403 Microfiber Filler |
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- 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
|
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West System - 403 Microfibers, 6 oz.
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FL-403-9
|
$21.74
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West System - 403 Microfibers, 20 oz.
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FL-403-28
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$43.29
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Untitled Document
404 High Density Filler |

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- 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
|
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West System - 404 High-Density, 15.2 oz.
|
|
FL-404-15
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$27.97
|
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West System - 404 High-Density, 43 oz.
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FL-404-45
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$56.95
|
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Untitled Document
405 Filleting Blend Filler |

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- 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.
|
|
FL-405
|
$25.71
|
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Untitled Document
406 Colloidal Silica Filler |

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- 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
|
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West System - 406 Colloidal Silica, 1.7 oz.
|
|
FL-406-2
|
$20.67
|
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West System - 406 Colloidal Silica, 5.5 oz.
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FL-406-7
|
$44.77
|
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West System - 406 Colloidal Silica, 10 lb.
SPECIAL ORDER!
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FL-406-B
|
$308.39
|
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Untitled Document
407 Low Density Filler |

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- Blended microballon filler
- Easy to sand or carve
- Cures to a dark red/brown color
|
Ideal for use in
- Light weight fairing and filling
|
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West System - 407 Low Density, 4 oz.
|
|
FL-407-5
|
$34.43
|
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Untitled Document
410 Microlight Filler |

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- 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
|
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West System - 410 Microlight, 2 oz.
|
|
FL-410-2
|
$30.13
|
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West System - 410 Microlight, 5 oz.
|
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FL-410-7
|
$49.95
|
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West System - 410 Microlight, 4 lb.
SPECIAL ORDER!
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FL-410-B
|
$420.24
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WEST SYSTEM ADDITIVES
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West System - 423 Graphite Powder, 12 oz.
|
|
FL-423
|
$35.29
|
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West System - 501 White Pigment, 4 oz.
|
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WS-501-8
|
$25.90
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West System - 502 Black Pigment, 4 oz.
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WS-502-8
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$25.90
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West System - 503 Gray Pigment, 4 oz.
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WS-503-8
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$25.90
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Prices are in US dollars and subject to change without notice.