Liquid Urethane Foam, 4 pound Density, 4 lb Kit (1.7 qts)

Description

Overview:
This two-part liquid, expanding rigid urethane foam is a closed cell, pourable foam, which will resist the absorption of water.
The densities shown refer to the weight per cubic foot of expanded foam (12" x 12" x 12").
Once fully cured this foam can be laminated over with any type of polyester, epoxy or vinyl ester resin without melting.
This product can be poured in multiple layers with excellent bonding between layers.
All expansion rates and times given are temperature critical. Temperatures below 75 degrees F will lower the expansion rate therefore requiring more foam. Ideal working temperature is 75 to 80 degrees F or above.
Accurate measuring of these products is extremely critical.
Find our selection of measuring containers and mixing equipment below.
Working time before foaming: approx. 45 seconds.
Time before full expansion: approx. 5 minutes
The lightweight foam is commonly used for filling voids, filling under decks and practically any other flotation or insulation application. Higher densities are used for architectural castings, support applications and has virtually an unlimited number of potential uses. Click on links below to go to these other items.
If used for casting always use a mold release and on pourus materials, seal mold and use Mold release.
Common Applications for 4 pound density Urethane Foam:
Suited well for most flotation applications that require more support than the 2LB offers. This foam is recommended to be used when supporting gas tanks and some deck areas. Choose this density if you feel that the foam will be required to withstand minor to moderate loads. The 4LB density also works well in floating decoy or taxidermy applications as well as many other sculpting, casting, carving and other filling applications.
Product Information:
Free Rise Density: 4.0 lbs per cubic ft.
Expansion Rate: Approx. 15x Liquid Volume
Buoyancy (flotation): 58 LBs per Cubic Ft.
*Physical Properties:
Parallel Compressive Strength: 90 psi
Tensile Strength: 110 psi
Shear Strength: 70 psi
Flexural Strength: 120 psi
Coverage and Prices for 4 pound Density Urethane Foam
Kit Size
Approx. Coverage
4 LB Kit (1.7 qts)
1 Cubic Feet
16 lb Kit (1.8 gals)
4 Cubic Feet
80 lb Kit (9 gals)
20 Cubic Feet
Also Have Liquid Foam With Higher Densities: 2 LB, 3 LB, 4 LB, 8 LB, and 16 LB. Some of these densities can be used for carving, sculpting, casting, filling, and support. The foam is more rigid and heavier as the density increases.
" Click Here To See Other Sizes And Densities "
Other Items In My Ebay Store:
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RTV Urethane Molding Rubbers
RTV Silicone Molding Rubbers
Urethane Foam
Polyester and Urethane Casting Resin
Pigments for plastics and rubbers
Mold Releases
Mixing and Measuring Containers
Stirring Sticks
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