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TotalBoat Silica Thickener is an extremely fine powder used to create a smooth, non-sagging, high-strength mixture for structural bonding, filleting, and filling. It can be used alone or in conjunction with Milled Glass Fibers or Phenolic or Glass Microballoons.
To prepare, first mix together the amount of resin/hardener that your project requires. Then add any fiber fillers or bulking agents and mix well. Add silica thickener to the mixture last. Remember to ALWAYS stir bottom to top.
May 18, 2021
Great product and fast shipping
May 10, 2021
Was very happy with this product. Used to make my gelcoat thicker.
April 10, 2021
I use it mainly as a thickener for vertical layups and also for "gluing" support pieces together. It's very uniform and mixes in easily.
April 9, 2021
I used the product to thicken the epoxy I was putting on so that I could slope it. It got thicker but I did not use enough and it still ran. Apparently, you have to use quite a bit to get it to thicken and become more solid than liquid but still pliable. Instructions would have been helpful. It makes it easier to sand but not by much. The epoxy is so hard, I had to use a grinder disk on my oscillator to lower some high spots.
January 17, 2021
This product is very fine and being silica I am very careful not to breathe when using, so I use less.
October 26, 2020
Well packaged, no leaks product worked great for small repairs, quick shipping, great vendor.
August 17, 2020
It does what it's supposed to, thickens real nice. A WARNING to anyone who wants to use this. WEAR A RESPIRATOR!!!!. Silica will kill you if it gets into your lungs! This stuff is a fine powder and gets everywhere.
May 11, 2020
Used to mix with TB 5/1 epoxy to make repairs to a 22 foot Columbia
March 30, 2020
Works for its intended purpose. Mixes very well with epoxy.
March 24, 2020
This is the best deal I've found on quart size silica thickeners. Great price plus free shipping because it's a Total Boat product. Everything I've ever ordered from Jamestown/Total Boat comes well packaged so it arrives in good condition. Jamestown has certainly been good to deal with everytime I've orded from them.
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