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West System
West System 406 Colloidal Silica
Item: #923179 | Part Number: Not Selected$22.18 - $39.08
Description
West System 406 Colloidal Silica is a versatile thickening additive that lets you control epoxy or polyester resin viscosity for cleaner, stronger bonds and smoother fillets. Ideal for bonding, fairing, and vertical or overhead applications, it improves strength, abrasion resistance, and overall workability.
West System 406 Colloidal Silica Item # 923179
Description
Features:
- West System 406 Colloidal Silica is a thickening additive used to control the viscosity of epoxy or polyester, often in combination with other fillers to control the working characteristics of an epoxy mixture
- Applications: Suitable for West Systems and all epoxy and polyester resins
- Function: Controls the Viscosity of Epoxy or Polyester
- This is a very strong filler that creates a smooth mixture, ideal for general epoxy bonding and filleting
- It is also West System's most versatile epoxy filler
- Thickens bonding adhesive when fileting
- Improves abrasion resistance
- Often used in combination with other fillers, 406 can be used to improve strength, abrasion resistance, and consistency of epoxy fairing compounds, resulting in a tougher, smoother surface
- It can be used to prevent resin runoff on vertical and overhead surfaces
- Improve consistency of fairing compounds
- Color: Off-White
Part Numbers for West System 406 Colloidal Silica
Reviews
Rated 5 out of
5
by
BrontideRob from
Love it, but not for breezy day
Great stuff but open this container with caution. This stuff is amazingly light. I opened it outside on my boat in the marina, but there was a SLIGHT breeze. That little bit of wind was enough to blow a 1/4 - 1/2 a cup out of the top of the container.
Date published: 2025-10-06