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    Rigid Building Foams TDS (Print TDS)

(Print MSDS)
Rigid Building Foams offer a unique blend of properties which yield excellent mechanical and thermally efficient structures. SSFR foams deliver high compressive/shear strength, insulating capacity, overall toughness and impact resistance. Their high performance strength to weight ratio densities produce a wide range of applications for very diverse industries. As an energy saivng material yielding very high insulating values, paralleled with its sound absorbing capability it has seen much use in the architectural and construction industries. Rigid foams are applied in spray or casting formats. Pour casting diversifies its uses to the areas of consumer products manufacturing, mold making, marine docks, floatation, void fill, artwork carving and many industrial and commercial industries. SSFRs may be subsequently color top-coated, textured and clear coated to handle extensive outdoor rugged environments using the ClearSkin system. These materials maintain dimensional stability and will not deform or distort within operating temperature of -100F to 200F. Fire retardancy formulations are used in sturctural public buildings and warehouses. Installation cure times range from 30 sec. to 30 min. depending on application method (spray vs. pour), ambient temperature and humidty. Pour foam applications require longer cure times and caution must be taken for large castings due to inherent exothermic reaction process. SSFRs utilize a standard 2-component liquid pumping machine for both the spray and pour methods of dispensing. Volumetric expansion of SSFR may be formulated up to 140x relative to its original volume depending on required application densities. Particular densities have been tested to MIL-P21929C.

The Rigid Building Foams are water or gas blown (245 or Pentane) fast-set materials typically used for air-tight insulation applications due to their closed-cellular nature. These foams are premium building products which contribute structural integrity with moisture, air and chemical vapor barrier integrity. High insulating values are attibuted with these foams and as such are commonly in roof, wall and floor insulation applications, commercial freezers and all energy saving applications where high thermal insulating requirements are mandated. Values vary relative to foam densities. Foam coverage per sq.ft. will vary relative to the density also as governed by expansion characteristics, the ambient spray temperature and the substrate temperature.

Please contact our Customer Service and Technical Support Group for any questions or to provide direction with specific selection of a material system, questionalable target surfaces, operational procedures, material pumping/spray machines, spray/pour guns, safety protection gear and clean-up kits.
RIGID BUILDING FOAMS PHYSICAL PROPERTIES
DENSITY (PCF)ASTM D1622 0.5 1.0 1.5(1.5) 2(2.0) 2.5(2.5) 3(3) 6(6) 10(10)
Fire Rating ASTM E84 Class 1 Class 1 Class 1 Class 1 Class 1 Class 1 Class 1 Class 1
Thermal Resistance (Rvalue) ASTM C518 3.6 4 4.5(5.7) 4.7(6.8) 4.7(6.8) 4.7(6.5) 4.7(5.5) 4.7(5.0)
Compressive Strength (psi) ASTM D1621 12 14 15 25 37 50 100 201
Shear Strength (psi) ASTM C273 15 17 18 22 26 35 85 127
Shear Modulus ASTM C273 185 195 207 231 253 312 788 1011
Tensile Strength (psi) ASTM D1623 20 25 30 40 44 62 165 227
Flexual Strength (psi) ASTM C203 35 40 45 55 65 123 204 312
Flexual Modulus ASTM C203 111 145 164 522 963 2356 4785 7055
Water Absorption (%vol) ASTM D2842 <5.0 <5.0 <1.0 <0.5 <0.1 <0.1 <0.1 <0.1
Water Vapor (perm-in) ASTM E96 <5.0 <5.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0
Fungi Resistance ASTM C 1338 None None None None None None None None
Closed Cell Content (%) ASTM D2856 Open >40 >60 >75 >90 >95 >95 >95
NOTE: Gas-Blown foam property values are indicated (value) 

TECHNICAL APPLICATION DATA

Both SuperSkinFoam types normal require a two component dispensing machine. Rigid foams may also be hand batch mixed in small volumes. Large volume batch mixing requires special formulation. Cure times of for spray Elastomerics range from 20-30s while Rigid spray foams range 10-60s. During application, to obtain heavier build thickness, it is important to apply a heavy one-pass delivery. Do not dispense multi-passes as pinholing will occur. For best foaming results, it is best to pre-heat material in drums to 75°F and proportional machine to 110°F. Substrate must be dry while relative humidy < 85%. Volumetric expansion of Elastomerics provide up to 4x original volume while Rigids may expand up to 100x depending on foam density. Elastomeric foams may be applied from 40°F to 100°F in high humidity climates with target surfaces clean and moisture free. Rigid foams may be applied from 70 F up to 100 F under the same conditions. Both foams may be formulated to fire retardant Class 1 E84 ASTM standard for industrial use. Rigids will handle 200 F service operation temperatures while Elastomerics may extend up to 250 F. These foams yield excellent adhesion characteristics and are extremely water repellent. Elastomerics retain a high resilentcy to impact and foot traffic compared to Rigids which exhibit compression set under load. Both foams require a UV protective top-coating for exterior weatherability applications.

Adhesion Results of Typical Substrates per ASTM D-4541 Elcometer

 
EPDM- Primed with Primer28 >300 psi Cohesive failure; excellent substrate bonding
Concrete- clean >300 psi Cohesive failure; excellent substrate bonding
Steel- clean >1000 psi Cohesive failure; excellent substrate bonding
Wood- dry/dust free >250 psi Wood failure; excellent substrate bonding
Preparation of substrate surface prior to primer is extremely important as durability is only as good as the weakest link in the coating system.
Concrete must be fully cured and should be treated with a sandblasting depending on the severity of the concrete surface condition. For patching, use our calcium carbonate filled fast-set Acrylic Modified Epoxy applied by trowel. For expansion joints, use our Joist Seal applied by hand cartridge dispensing gun.
Metals must be prepared and standardly preped to be clean. If surface deterioration is evident a general shot blasting is required.
Wood must dry and free of dust before applying any type of the epoxy-based primers. Depending on the nature of a foam, plastic or composite primers should be tested to achieve a secure cohesive failure. Please call or email our Technical Support Group for any questions regarding material, application or prospective uses.

-Let's Build a Safer Planet™-

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