![]() 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 reinforcing steel, placement of formwork and placement of concrete. Weld-Crete® can be "painted on" in a single application 1 to 10 days prior to concrete placement. Designed 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 incorporates polyvinyl acetate homopolymer in a patented formulation. 8264 Preston Cou rt � Jessup, MD 20794 Ĭoncrete & Plaster Bonding Systems Worldwide since 1952 Also unaf fected by alkalin ity of cement. ![]() No bond failure after 25 consecutive days. 1" concrete slabs bonde d to 1/2" gypsum plaster s ubjected to seepage of s trong de ter- gents & sy nthetic ur ine for 10 hrs. Non-toxic, no ill ef fects a fter 7 days. Enclosed mice exposed to 30 cc volati lized bonding age nt for 1 hr. ASTM C-932 (Weld-Crete ® ) ASTM C-631 (Plaster-Weld ® ) specimens brought to 145 ° F, no bond failure. ![]() ASTM C-1042 (slant shear cylinder tes t). Flexura l Bond Strength ASTM C-78 (concrete beams Shear Bond St rength Temperature Range Freeze-thaw Stability Toxicity Fire Resistance Flammabi lity Acid Resistance laminated w ith bonding agent). ASTM C-631 for Plaster-We ld ®, average 304 psi. Performance Properties (Weld-Crete ® & Plaster-Weld ® ) Test reports are available upon request Property Tensile Bond Strength Test Method & Results ASTM C-932 ( 98a ) for Weld-Crete ®, average 615 psi. Do no t apply over water solub le paints, ie. Plaster- Weld ® can be used over paints having oil, rubbe r, o r vinyl bases, and ove r silicone-trea ted surfaces, as wel l as latex pain ts. sheet lead in x-ray rooms) and marble a re suitable su rfaces. Concrete, brick, b lock, glass, ceramic tile, wallboard, metals (e.g. Plaste r-Weld ® prepa res the surface to allow you to plaster direc tly to concrete ove r electric rad iant heat cable, and to bond cement mor tar beds to smoo th concrete fo r instal lation of r igid foam instal lation. Designed for interio r use only, Plaster-Weld ® provides high performance bonding o f one-coat fin ish plaster and/or two and three coat work to conc rete ceil ings, wal ls, columns, beams, and other s truc turally sound surfaces. ![]() Plaster-Weld ® The original plaster bond ing agent is a paten ted formula tion incorporati ng polyviny l aceta te homopolymer. surfaces as b rick, bloc k, tile, marble, metal, g lass b lock, soundly adhere d paint (non-solub le in water), and s il icone.Weld-Crete ® is also used for bon ding set ting beds for ce ramic t ile and for bonding portlan d cement plaster an d stucco mixes and to bond to such Use Weld-Crete's open time to your advantage in bon ding to concre te shear wal ls, when you need a time lapse between applica tion of bonding agent, placement of reinfo rcing steel, placement of formwork and placement of concrete. Weld-Crete ® can be "pai nted on" in a single applicatio n 1 to 10 days prior to concrete placement. Des igned for exte rio r and inter ior use, Weld-Crete ® wil l bond new con- crete, portland cement plaster, and cementit ious m ixes to struc turally sound concrete floors, wa l ls, columns, beams, steps and ramps. Concrete & Plaster Bonding Agents Concrete & Plaster Bonding Systems Worldwide since 1952 Weld-Crete ® The orig inal chem ical concrete bond ing agent incorporates polyv inyl aceta te homopolymer in a paten ted formula- tion. 03050/LAR Buyline 0465 LARSEN P R D D U C T S C D R P.
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