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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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 -

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 -

Product ID: 618770519

Details

Brand
TITGGI
Colour
White
Item form
Powder
Material
Silica
Shape
irregular

🔥High temperature resistance

⚖️200 m²/g surface area

🛠️Non-sagging thickener

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1548609₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Elevate your craft with TITGGI: The secret weapon for flawless finishes!

LIGHTWEIGHT PURE - 100% pure hydrophilic fumed silica powder that blends seamlessly without adding bulk
HEAT RESISTANT ADHESION - Maintains stability and strength even under high temperatures for durable repairs
MULTI PROJECT VERSATILITY - Perfect for epoxy resin art, rubber reinforcement, and ceramic blanket rigidizing—your all-in-one thickening solution
ULTRA FINE SURFACE MASTERY - 200 m²/g specific surface area for superior dispersion and performance
EFFORTLESS VISCOSITY CONTROL - Transforms epoxies, paints, and varnishes into smooth, non-sagging finishes with just hand stirring

TITGGI 1 Quart 100% Pure Fumed Silica Powder is a professional-grade, hydrophilic thickener with a massive 200 m²/g surface area. Designed for easy hand-stir mixing, it enhances viscosity and creates non-sagging, heat-resistant coatings in epoxy, paints, varnishes, and more. Ideal for crack filling, ceramic blanket rigidizing, and resin art, this lightweight powder ensures superior dispersion and reliable, high-quality results for demanding projects.

Specifications

ASIN	B09JSKQZL4
Best Sellers Rank	#2,316 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Paint Additives
Brand	TITGGI
Brand Name	TITGGI
Color	White
Colour	White
Customer Reviews	4.5 out of 5 stars 282 Reviews
Grade Rating	Industrial
Item Form	Powder
Item Shape	irregular shape
Item Weight	0.15 Kilograms
Item form	Powder
Item weight	0.15 Kilograms
Manufacturer	TITGGI
Material	Silica
Number of Items	1
Part Number	A200
Shape	irregular shape
UPC	669936845569
Unit Count	31.99 Milliliters

Reviews

R**K

10.12.2023

D**Z

12.10.2022

J**E

12.05.2025

K**R

14.08.2022

R**S

27.12.2025

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In stock

Sold byAmazon VietnamDelivered 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 Vietnam.

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