How to use fumed silica to thicken liquid systems?

You can gradually add the right amount of fumed silica to the liquid according to the needs of the liquid, and fully stir until uniform, in order to achieve the desired viscosity thickening effect.

Does this fumed silica powder thicken well?

This fumed silica works really well, and when I use epoxy resin, I add this fumed silica powder to the epoxy resin, and the epoxy thickens a lot. But please note that you'd better wear a protective mask when adding fumed silica, as silica powder is light and small and will be blown all over, it weighs nothing.

Just want to double check... can use this to strengthen gelcoat for fiberglass?

I think it would work. I use it to strengthen smooth pour for fish heads. It’s finely ground so I’m not sure if fiberglass powder would be better for you since would be stronger.

Does this fumed hydrophobic silica have insecticidal properties in a damp environment superior to diatomaceous earth?

They are very different things. I can't imagine Fumed Silica is as abrasive as diatomaceous earth, and that is what diatomaceous earth does to the exoskeleton of an insect, wear holes in it.

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1 Quart 100% Pure Fumed Silica Powder, Advanced Thickener for Epoxy, Paints, Varnishes, Professional Fumed Silica for Filling Cracks and Voids, Worked Well for Ceramic Blanket Rigidizer - by TITGGI

1 Quart 100% Pure Fumed Silica Powder, Advanced Thickener for Epoxy, Paints, Varnishes, Professional Fumed Silica for Filling Cracks and Voids, Worked Well for Ceramic Blanket Rigidizer - by TITGGI

Product ID: 417422864

Details

Brand
TITGGI
Color
White
Item Form
Powder
Item Weight
0.15 Kilograms
Material
Fumed Silica

🔥High temperature resistance

⚖️200 m²/g surface area

🛠️Non-sagging viscosity boost

₨559

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Description

⚡ Elevate your craft with TITGGI’s pure fumed silica — where precision meets power!

HEAT RESISTANT STABILITY - Maintain integrity under extreme conditions for long-lasting results.
LIGHTWEIGHT EASY TO MIX - Add with simple hand stirring—no clumps, no hassle, just flawless texture.
EFFORTLESS THICKENING POWER - Transform epoxies, paints, and varnishes into smooth, non-sagging masterpieces.
VERSATILE MULTI APPLICATION USE - Perfect for crack filling, ceramic rigidizing, resin art, and rubber reinforcement.
ULTRA FINE 200 M G SURFACE AREA - Maximize dispersion and performance with industry-grade purity.

TITGGI’s 1 Quart 100% Pure Fumed Silica Powder is a professional-grade, hydrophilic thickener with a massive 200 m²/g surface area. Engineered for superior dispersion, it enhances viscosity and non-sag properties in epoxy, paints, and varnishes while offering exceptional temperature resistance. Ideal for filling cracks, reinforcing rubber, and ceramic rigidizing, this lightweight powder mixes easily by hand, making it the go-to additive for millennial pros seeking flawless, durable finishes.

Specifications

ASIN	B09JSKQZL4
Best Sellers Rank	#71,119 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #27 in Household Paint Additives
Brand Name	TITGGI
Color	White
Customer Reviews	4.4 4.4 out of 5 stars (297)
Grade Rating	Industrial
Included Components	1
Item Form	Powder
Item Weight	0.15 Kilograms
Manufacturer	Evonik Corporation
Material	Fumed Silica Powder
Number of Items	1
Part Number	A200
UPC	669936845569
Unit Count	31.99 Fluid Ounces

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₨559

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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