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 / Collodial Silica 406
Collodial Silica 406 is a thickening additive for producing an epoxy mixture specific to your needs. High-density silica flour filler for bonding, gap filling and filleting.
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||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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