Does the resin remain clear after this is added? (Some of the other filler additives say that they cure red/brown.)

If using west system epoxy 205 or 206 hardener resin is redish or purple. The filler is white and turns into a tranlucent opaque of color of resin. NO RESIN WILL NOT REMAIN CLEAR.

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West System 406-2 Colloidal Silica 1.7 oz

Product ID: 5819004

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🧪Precision viscosity control

⬆️Prevents epoxy runoff on vertical/overhead surfaces

🛠️Superior epoxy strength & abrasion resistance

Description

🧪 Elevate your epoxy game—because flawless finishes aren’t optional.

CLEAN OFF WHITE CURE - Dries to a neat off-white color, ensuring your repairs look as good as they perform.
NO MORE DRIPS OR RUNS - Specially formulated to prevent epoxy runoff on challenging vertical and overhead joints.
CONSISTENT SMOOTH FAIRING - Improves the texture and workability of epoxy fairing compounds for a professional finish.
BOOST STRENGTH DURABILITY - Enhances epoxy’s abrasion resistance and structural integrity for long-lasting results.
MASTER YOUR EPOXY VISCOSITY - Engineered to fine-tune epoxy thickness for flawless application every time.

West System 406-2 Colloidal Silica is a high-performance epoxy thickening additive designed to control viscosity, prevent runoff on vertical and overhead surfaces, and enhance strength and abrasion resistance. Ideal for professional-grade vehicle repairs and specialty applications, it cures to a clean off-white finish for a polished, durable result.

Specifications

Product Dimensions	23 x 15 x 8 inches
Item Weight	5 ounces
Department	unisex-adult
Manufacturer	Gougeon Brothers, Inc.
ASIN	B0000AY1OC
Item model number	406-2
Is Discontinued By Manufacturer	No
Date First Available	October 1, 2001

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