West System Colloidal Silica

These fillers thicken West System epoxy resin mixtures for specific applications. The #403 microfiber blend is suitable for gap filling. It is available in a 6 oz container. The #404 high-density filler is used for filleting and gap filling where maximum strength is needed, such as screw and bolt holes. It is available in a 15 oz container. The #406 colloidal silica is a thickening additive to prevent run-off in vertical and overhead joints, but can also be used for additional strength or a tougher surface. It is available in a 1.7 oz container. All cure to an off-white color. Made in USA. Not available for shipment to Québec.

Order Processing: After your payment is authorized and verified, we will start processing your order and this process can take from 1 to 2 business days, so please be patient with us. If we are unable to process your order due to inaccurate or incomplete payment or incorrect address information, your order processing may be delayed.

Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.