Do microballoons dry clear?

In my experience, clarity depends on the amount of microballoon powder added. I am using with finishing epoxy, which normally dries clear. To get the consistency I need, there is a slight whitish haze to the dried result.

volume or mass ?. In planet earth we use to have measurements "Quart Tub" really?

Volume. Canister was full. Material very light. Worked well with Poly resin for faring.

would this work to fix a snapped surfboard?

It doesn’t have any repair properties, it just adds volume to your epoxy

Is this hydrophobic fumed silica?

This is not fumed silica, but this also is not a hydrophobic filler.

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White Glass Microspheres - Filler for Epoxy and Polyester Resin - Quart Tub

White Glass Microspheres - Filler for Epoxy and Polyester Resin - Quart Tub

Product ID: 404835055

Details

Brand
Fasco Epoxies
Item form
Liquid
Material
Glass
Specific uses for product
Epoxy Resin

🔬Engineered hollow glass microspheres for strength

⚖️Lightweight filler, reduces epoxy brittleness

🛠️Easy to sand for smooth finishes

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311.39 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Elevate your resin game with featherlight strength and flawless finish!

SMOOTH OPERATOR - Sands effortlessly for flawless surface prep
VERSATILE MIXING MAGIC - Pairs perfectly with cabosil for a durable putty
PRO GRADE MICROBALLOONS - Engineered hollow glass spheres for superior reinforcement
FEATHERLIGHT STRENGTH BOOST - Enhances weight-to-strength ratio without bulk
DIMENSIONAL STABILITY MASTER - Prevents warping and shrinkage in cured resin

White Glass Microspheres are microcellular hollow glass particles designed as a lightweight filler for epoxy and polyester resins. They improve the weight-to-strength ratio and dimensional stability of resin mixtures, sand easily for smooth finishes, and when combined with cabosil, create a versatile, durable putty. Ideal for professional repairs and high-performance composites, these engineered microspheres deliver enhanced strength without added weight.

Specifications

ASIN	B07KPL163Y
Brand	Fasco Epoxies
Colour	White
Compatible Material	Fibreglass, Glass
Container Type	Pail
Customer Reviews	4.7 out of 5 stars 330 Reviews
Item Form	Liquid
Item Package Quantity	1
Item Volume	946.35 Millilitres
Item Weight	454 g
Item form	Liquid
Manufacturer	Fasco Epoxies Inc.
Manufacturer Part Number	FIL02Q
Material	Glass
Model Number	FIL02Q
Other Special Features of the Product	Microcellular hollow glass microspheres for improved weight-to-strength ratio and dimensional stability
Special feature	Microcellular hollow glass microspheres for improved weight-to-strength ratio and dimensional stability Special feature Microcellular hollow glass microspheres for improved weight-to-strength ratio and dimensional stability See more
Specific Uses For Product	Epoxy Resin, Polyester Resin
Specific uses for product	Epoxy Resin, Polyester Resin
UPC	819794020770
Unit Count	946 millilitre
Viscosity Level	Low
Water Resistance Level	Not Water Resistant

Reviews

A**M

Airborn glass spheres

21.08.2023

E**S

Micro Balloons

21.07.2025

G**D

good epoxy filler compound at a great price

20.08.2025

M**O

Sands Beautifully

9.09.2023

B**T

Good product

11.02.2025

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