Sikadur-12 Pronto, Fast-curing repair and grout mortar all-in-one mix, Interior & Exterior, 25 kg
SIKA
Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.
Read more| 2-part acrylic, multi-purpose, fast strength gain repair mortar and grout Sikadur-12 Pronto is a 2-part acrylic, multi-purpose, fast strength gain, hand applied or flowable repair mortar and grout. For repairing and grouting all types of concrete elements paricularly at low temperatures. It has good mechanical strengths and good resistance to abrasion, impact and chemicals. Layer thickness as a flowable repair and grout: 5–30 mm. Layer thickness as a hand applied repair mortar (with sand addition): 20–100 mm. Application temperature: -10 °C to +30 °C.
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UsageConcrete Repairs:
Advantages
Packaging
Refer to current price list for packaging variations. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Technical Information Effective Bearing Area (ASTM C1339) Compressive Strength Curing time Curing temperature -10 °C +5 °C +20 °C 3 hours ~55 N/mm2 ~65 N/mm2 ~67 N/mm2 10 days — ~75 N/mm2 ~78 N/mm2 Modulus of Elasticity in Compression
Flexural Strength Curing time Curing temperature –10 °C +5 °C +20 °C 3 hours ~13 N/mm2 ~14 N/mm2 ~16 N/mm2 10 days — ~17 N/mm2 ~19 N/mm2 Tensile adhesion strength (ISO 4624) Creep 0,12 % at 4,14 N/mm2 (600 psi) / 31 500 N (+23 °C) 0,11 % at 2,76 N/mm2 (400 psi) / 21 000 N (+23 °C) Shrinkage
Coefficient of Thermal Expansion
Service Temperature -40 °C min. / +40° C max. Thermal Compatibility (ASTM C884) Chemical Resistance Resistant to many chemicals. Contact Sika Technical Services for additional information. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Application Information Mixing Ratio Part A : Part B = 1 : 8 (by weight) The mixing ratio can be varied, depending on the required consistency. Limitations: Part A : Part B = 1 : 7 to 1 : 11 (by weight). At a mixing ratio of 1 : 7, Sikadur-12 Pronto can be used as a flowable mortar or grout. Sikadur-12 Pronto can be filled with quartz sand. Maximum 1 part quartz sand per 2 parts of Sikadur-12 Pronto (by weight). Layer Thickness
Additional layer thicknesses can be a applied in successive layers once each layer has cooled and hardened sufficiently. Where possible, the surface of the freshly applied intermediate layers should be scratched to form a key for subsequent layers. Peak Exotherm
Flowability
Ambient Air Temperature –10 °C min. / +30 °C max. Relative Air Humidity 80 % maximum Dew Point Beware of condensation. Substrate Temperature –10 °C min. / +30 °C max. Substrate Moisture Content ≤4 % parts by weight Test method: Sika-Tramex meter, CM-measurement or Oven-dry-method. No rising moisture according to ASTM (Polyethylene-sheet). Pot Life
Pot-life begins when all parts have been mixed. It is shorter at high temperatures and longer at low temperatures. The greater the quantity mixed, the shorter the pot-life. To obtain longer workability at high temperatures, the mixed adhesive may be divided into smaller quantities. Another method is to chill parts A+B before mixing (although not below +5 °C). Curing Time
Waiting Time / Overcoating Before applying Sikadur-12 Pronto on Sikafloor-10 Pronto N allow:
Before applying Sikadur-12 Pronto on Sikadur-12 Pronto allow:
*No time limit Sikadur-12 Pronto can be applied onto Sikafloor-10 Pronto N or Sikadur-12 Pronto after thorough cleaning. Times are approximate and will be affected by the changing ambient conditions particularly temperature and relative humidity. |