WEST SYSTEM Filler & Additive / Collodial Silica 406

WEST SYSTEM Filler & Additive / 403 Microfibres
Microfibres 403 is a thickening additive for producing an epoxy mixture specific to your needs. Especially suitable for laminating

WEST SYSTEM Filler & Additive / Filleting Blend 405
Filleting Blend 405 is a strong, wood-coloured epoxy filler. Perfect for making epoxy joints and fillets on natural wood.
Product details
Mixing ratios and consistencies (amount of filler as a weight percentage to be added to the mixed epoxy):
- Slightly thickened (ketchup): 3
- Medium thickened (mayonnaise) 5%
- Maximum thickened (peanut butter): 8%.
Consistency:
Consistency | Not thickened "syrup" | Slightly thickened "ketchup | Medium thickened "mayonnaise" | Maximum thickened "peanut butter" |
Charcteristics | Runs quickly off vertical surfaces. | Runs slowly off vertical surfaces. | Adheres to vertical surfaces. Peaks droop. | Adheres to vertical surfaces. Peaks remain stiff. |
Uses | Surface coating, pre-soaking before bonding, application of glass fibre, carbon fibre and other fabrics. | Laminating, bonding large panels with large surfaces, injecting with syringe. | Bonding, filler fillets, bonding of fittings. | Filling holes, filling grooves, bonding uneven surfaces. |
Examples of use:
Use | Microfibres 403 | Filleting Blend 405 | Collodial Silica 406 |
Bonding hardware (mayonnaise) - Increased joint bonding area and load capacity, maximum strength | Very good | Good | Very good |
General bonding (mayonnaise) - Bonding parts with thickened epoxy resin to create a structural gap filler, strength/gapfilling | Very good | Good | Very good |
Bonding with fillets (peanut butter) - Increase joint bonding area and create structural bracing between parts, smoothness/strength | Good | Very good | Excellent |
Laminating (ketchup) - Bonding wooden strips, veneers, planks, sheets and cores, gap filling strength | Excellent | Good | Very good |
Fairing (peanut butter) - Fill low areas and voids with an easily sanded surface filler/fairing compound, sandability/gap filling | Not recommended | Not recommended | Not recommended |
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