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

So fine and delicate. Take care opening the jar. Wearing a mask would be advisable.

Be sure to wear a dust mask around using this stuff. It quickly aerosols when scooping it out, but not overly so, like a powder that seems to evaporate into the air vs staying on the spoon. One can scoop it out without issue.As to mixing it with resin I had varying results. The goal was to reduce how brittle epoxy resin is. I think it achieved this, with one or two plastic spoons worth in measure. This would also depend on how much resin its being put into. Stir until it has a kind of foamy creamy texturing, having premixed the resin beforehand.In cold casting into a silicon mold, I noticed that it tended to sink to the very bottom and create some small air pockets in the final casting. Using less of this powder reduced the issue but also left the resin more brittle. Using a lot of this powder may lead to a semi flexible casting. Elsewise I guess it works as intended. It also adds a white color to the mixture.I didn't experience a dust cloud when opening the initial foil seal, or afterwards. Just use care to open the lid slowly, and maybe wear some eye protection.

Product is exactly as described. Works good. Price ok. Shipped on time.

Conforme a las especificaciones

This product if they need to fill in gaps or connect to boards together this product works great you can form it to make curves so you don't have a 45° angle.

Just what I wanted

This is the best way to buy your micro-balloons! In the quart sized container. Just mix them in with your usual 5, 15, or 30 minute variety epoxies and you are good to go. Use these micro-balloons to thicken up your epoxy so it will not "run" when you want to glue up a vertical or flat component.

I finally got a chance to use this. Mixed with the resin very well. Has a nice pink tint to it. And the price is right.