![]() sheet lead in x-ray rooms) and marble are suitable sound surfaces, structurally. Plaster-Weld can be used over paints having oil, rubber or vinyl bases, and over silicone-treated surfaces, as well as latex paints. Concrete & Plaster Bonding Agents Weld Creteo Concrete & Plaster Bonding Systems Worldwide since 1952 Performance Properties (Weld-Crete & Plaster-Weld) Property Test Method & Results ASTM C-932 for Weld-Crete, Tensile Bond Strength average 485 psi. Concrete, brick, block, glass, ceramic tile, wallboard, metals (e.g. Plaster-Weld prepares the surface to allow you to plaster directly to concrete over electric radiant heat cable, and to bond cement mortar beds to smooth concrete for installation of rigid foam insulation. Designed for interior use only, the high performance bonding of one-coat finish plaster and/or two and three coat work to concrete ceilings, walls, columns, beams, and other structurally sound surfaces. The original chemical plaster bonding agent is a patented formulation incorporating polyvinyl acetate homopolymer. tested & field proven.Plaster-Weld bonds new plaster to any clean, structurally sound, interior surface. ![]() No bond failure after 25 consecutive days. To seepage of strong detergents & synthetic urine for 10 hrs. tests for fire resistance.Īcid Resistance 1” concrete slabs bonded to 1/2” gypsum plaster subjected 4PC Larsen Products Larsen PWG04 Plaster-Weld Interior Plaster Bonding Agent, 1 Gal. Toxicity Enclosed mice exposed to 30 cc volatilizedįire Resistance ASTM E-119 (bonded assembly). However, he never made any claim for a process or a. Specimens brought to 145º F, no bond failure.įreeze-thaw Stability 5 cycles freeze (-10º F & thaw). Early in 1951, Larsen sold a PVA emulsion, labeled Plaster-Weld, for public use in Washington, D.C. Temperature Range ASTM C-932 (Weld-Crete®) Shear Bond Strength ASTM C-1042 (slant shear cylinder test). Agent Unknown Availability Sika 517003 Concrete Bonding Agent Primer - 1gal In Stock Larsen Plaster Weld Bonding Agent - 5gal Unknown Availability Hyde Tools. Tensile Bond Strength ASTM C-932 for Weld-Crete®,įlexural Bond Strength ASTM C-78 (concrete beams laminated Larsen Weld-Crete and Plaster-Weld bonding agents have been specified by major architects, engineers and construction companies throughout the world since. ![]() casein and calcimine paints), and silicone. Weld-Crete® is also used for: bonding setting beds for ceramic tile bonding Portland cement plaster and stucco mixes and to bond to surfaces such as brick, block, tile, marble, metal, glass block, soundly adhered paint (non-soluble in water, i.e. Use Weld-Crete’s® open time to your advantage in bonding to concrete shear walls when you need a time lapse between application of bonding agent, placement of reinforcement steel, placement of formwork and placement of concrete. For exterior and interior use, Weld-Crete® will bond new concrete, Portland cement plaster and cementitious mixes to structurally sound concrete floors, walls, columns, beams, steps and ramps. Weld-Crete®can be "painted on" in a single application 1 hour to 10 days prior to concrete placement. The original chemical concrete bonding agent, Weld-Crete® incorporates polyvinyl acetate homopolymer in a patented formulation. Weld-Crete® bonds new concrete, stucco, tile setting beds and terrazzo to any structurally sound surface, interior or exterior.
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