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Stone Coat Epoxy Thickener is a high-viscosity, non-toxic additive designed to thicken epoxy resin with a precise 1:1 mixing ratio. It enhances strength and water resistance, ideal for vertical surfaces and marine applications. Odorless and easy to mix, this polyethylene fiber-based thickener is made in the USA and trusted by professionals for superior durability and seamless finishes.














| ASIN | B08K1GL7RP |
| Best Sellers Rank | 760,985 in DIY & Tools ( See Top 100 in DIY & Tools ) 179 in Paint Additives |
| Brand | Stone Coat Countertops |
| Colour | Clear |
| Compatible Material | Stone |
| Container Type | Can |
| Customer Reviews | 4.4 out of 5 stars 521 Reviews |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Volume | 1 Quarts |
| Item Weight | 8 Ounces |
| Item form | Liquid |
| Material | Epoxy Resin |
| Model Number | PolyFiber II Epoxy Thickener |
| Number of Pieces | 1 |
| Other Special Features of the Product | Non Toxic, Strong |
| Special feature | Non Toxic, Strong |
| Specific Uses For Product | Wall |
| Specific uses for product | Wall |
| Viscosity Level | High |
| Water Resistance Level | Water Resistant |
P**A
Easy to use, try to keep your work area out of the wind.
I uses this to fix some damage to the rudder on my sailboat, mixed with polyester resin until it was a thick paste and applied it with a wide popsicle stick and sanded it down. Worked perfectly! And yes I know that polyester is not the best choice below the waterline but it just the rudder and its what I had on hand, it will be just fine.
A**N
Works very well, and not as messy as I feared.
Works very well, and not as messy as I feared. It's not exactly powder or dust -- it's hard to describe; maybe kinda like fake snow. Do handle with care, but it not too bad. Good value; one bag will go pretty far. Be aware that it will noticeably lighten the color of your epoxy if you add a substantial amount.
S**E
10/10 will buy again
Very usefull to thicken epoxy resin and make it stronger. Good for marine applications
J**E
Reasonable price, easy to use
Very effective...stirs in well with the epoxy, has no odor, and doesn't seem to affect the curing time, or noticeably add to the volume.
A**L
Ok. Lightens your epoxy color.
Works alright; my only real problem is that it changes the color of your epoxy. It's like mixing in white with whatever color you actually wanted.
Trustpilot
4 days ago
1 month ago