![]() Non-deteriorating bond retains strength and flexibility. No bond failure after 25 consecutive days. Hose Stream Test.ġ″ concrete slabs bonded to 1/2″ gypsum plaster subjected to seepage of strong detergents and synthetic urine for 10 hrs. Non-toxic, no ill effects after 7 days.ĪSTM E-119 (bonded assembly). Freeze-thaw stable.Įnclosed mice exposed to 30 cc volatized bonding agent for 1 hr. ![]() Avg.ĥ cycles freeze (-10 degrees F and thaw). ![]() Ensures adhesion of top-coat for a flawless finish. 14 days.ĪSTM C-109 (specimens brought to 35 degrees F for 1 hr., then to 310 degrees F for 2 hrs). Sherwin-Williams Bonding Primer provides premium adhesion for hard-to-paint surfaces such as metal, plastics, laminates, ceramic, glass, masonry, plaster, plus wood, wicker and drywall. Avg.ĪSTM C-1059 (slant shear cylinder test). 28 days.ĪSTM C-78 (concrete beams laminated with bonding agent). In all cases failure occurred in the cementitious material, not in the bond. Test reports are available upon request.ĪSTM C 932-05 (pulling apart bonded cement briquet halves). casien and calcimine paints), and silicone.ĭata obtained from tests conducted periodically by leading independent laboratories. 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-soluable 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. Weld-Crete®can be "painted on" in a single application 1 hour to 10 days prior to concrete placement. 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. 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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