sikacrete 321 fs - sika corporation u.s. · fact sheet. product information as a structural repair...
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Product Information
Sikacrete® 321 FSOne-component, cementitious, pourable, rapid hardening concrete mix
Fact
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Product Information
▲ Asastructuralrepairmaterialforbridges,parkingfacilities, industrialplantsandwalkways▲ Onhorizontal,verticalandoverheadsurfaces(formed)▲ Ongrade,above,andbelowgradeonconcrete▲ Fulldepthrepairs▲ Fillerforvoidsandcavities
▲ ComplieswithASTMC-928specificationsforveryrapidandrapid hardeningmortars▲ Veryrapidsettingstructurescanbeopenedtovehiculartrafficin 2hours▲ Non-gypsumbasedwithvolumestability▲ Increasedresistancetodeicingsalts▲ Excellentresistancetofreeze/thawwithoutstandingdurability▲ Pre-packagedcoarseaggregate:Eliminatesneedtoextend materialinthefield;Eliminatestheriskofreactiveaggregate
▲ Initial Set 40-50minutes▲ Final Set 50-60minutes ▲ Application Time Approximately30minutes InitialSlump7-9” Slumpat15minutes>5-7”▲ Flexural Strength (ASTM C-78) 28days 700psi(5.0MPa)▲ Splitting Tensile Strength (ASTM C-496) 1day 400psi(2.8MPa) 7days 600psi(4.1MPa) ▲BondStrength*(ASTMC-882modified) 1 day 2,500psi(17.2MPa) 7 days 3,000psi(20.7MPa) ▲ Direct Tensile Bond (ACI 503) 7 days >250psi▲ Compressive Strength (ASTM C-39) 2 hour 2,500psi(17.2MPa) 3 hour 3,000psi(20.7MPa) 1 day 5,000psi(34.5MPa) 7 days 6,000psi(41.4MPa) 28 days 7,500psi(51.7MPa)▲ Shrinkage (ASTM C-157) <0.06%▲ Chloride Ion Permeability (ASTM C-1202) 28 days <1,500Coloumbs▲ Freeze Thaw Resistance (ASTM C-666) 300 cycles >90%
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Sikacrete® 321 FS
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1. Place 5 pints of water in mixing container.
2. Slowly add Sikacrete 321 FS while continuing to mix. Mix to a uniform consistency, maximum 3 minutes.
3. Mechanically mix with a low-speed drill (400-600 rpm) and paddle or in appropriate-size mortar mixer or concrete mixer.
4. Some mixers will take longer than others to achieve the de-sired slump.
Contact Sika at:Phone: 1-800-933-SIKA (Nationwide)Website: www.sikaconstruction.com
Sika. One Name. One Source. WorldwideSM
Sika Canada Inc.601 Delmar AvenuePointe ClaireQuebec H9R 4A9Phone: 514-697-2610Fax: 514-694-2792
Sika Corporation201 Polito AvenueLyndhurst, NJ 07071Phone: 201-933-8800Fax: 201-933-6225
Sika Mexicana S.A. de C.V. Carretera Libre Celaya Km. 8.5Fracc. Industrial BalvaneraCorregidora, QueretaroC.P. 76920Phone: 52 442 2385800Fax: 52 442 2250537
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