{{unreferenced, date=March 2012
EZ-Poly is a
brand
A brand is a name, term, design, symbol or any other feature that distinguishes one seller's goods or service from those of other sellers. Brands are used in business, marketing, and advertising for recognition and, importantly, to create and ...
of multipurpose
polyurethane
Polyurethane (; often abbreviated PUR and PU) is a class of polymers composed of organic chemistry, organic units joined by carbamate (urethane) links. In contrast to other common polymers such as polyethylene and polystyrene, polyurethane term ...
filler
adhesive
Adhesive, also known as glue, cement, mucilage, or paste, is any non-metallic substance applied to one or both surfaces of two separate items that binds them together and resists their separation.
The use of adhesives offers certain advantage ...
sealant
Sealant is a substance used to block the passage of fluids through openings in materials, a type of Seal (mechanical), mechanical seal. In building construction ''sealant'' is sometimes synonymous with ''caulk'' (especially if acrylic latex or ...
originally branded as RayCrete. EZ-Poly is a structural filler so it can do more than just cosmetic repairs like products such as
Bondo. It is versatile enough to eliminate the need for multiple products. It can be used for indoor, outdoor, and many underwater purposes and is environmentally safe.
EZ-Poly is a two-part compound.
The product experiences minor expansion while curing depending on moisture level but does not shrink. It will bond dissimilar materials and fill both minor and major gaps. It does not have problems posed by
epoxies because it has no odor, no
VOCs
Volatile organic compounds (VOCs) are organic compounds that have a high vapor pressure at room temperature. They are common and exist in a variety of settings and products, not limited to house mold, upholstered furniture, arts and crafts supp ...
, does not get hot during cure and is not
flammable
A combustible material is a material that can burn (i.e., sustain a flame) in air under certain conditions. A material is flammable if it ignites easily at ambient temperatures. In other words, a combustible material ignites with some effort ...
. EZ-Poly is good to use with
concrete
Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid over time. It is the second-most-used substance (after water), the most–widely used building material, and the most-manufactur ...
, wood, stone and other
porous
Porosity or void fraction is a measure of the void (i.e. "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%. Strictly speaking, some tests measure ...
materials and can be used with etched plastics, metals and glass. The product is waterproof and weatherproof. It can be painted with plastic-compatible paint and is best used with a
shellac
Shellac () is a resin secreted by the female Kerria lacca, lac bug on trees in the forests of India and Thailand. Chemically, it is mainly composed of aleuritic acid, jalaric acid, shellolic acid, and other natural waxes. It is processed and s ...
primer.
The product can be worked during cure as it becomes clay-like and once cured can be sanded, sawed, planed, lathed, screwed, nailed and machined.
RayCrete and EZ-Poly were manufactured by Valiant Technologies, Inc. and sold throughout the world from 1996 to 2008. Valiant Technologies closed in 2008, and while you can still find references to its products on the Internet, they are no longer available.
Adhesives
Brand name materials