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Where to Use ■ Moisture barrier to help control moisture propagation in cementitious substrates with a moisture content not exceeding 6% by Tramex Method and residual moisture up to 100% R.H. or 25lbs./1000 sq.ft./24 hrs. ■ For substrate consolidation on concrete, cement and gypsum screeds. ■ Adhesion promoter for old and new adhesive residues in conjunction with other Sika® products. ■ Sika® MB is suitable on concrete, cement, self -leveling and gypsum substrates, OSB, plywood, quarry and terrazzo tiles, water-soluble adhesive and cutbacks. Advantages ■ Solvent -free (100% solids) ■ Easy roller applied application, low viscosity ■ Convenient, easy to mix packaging ■ Shorter construction periods ■ Excellent penetration and stabilization of the substrate ■ Reduction of adhesive consumption ■ Suitable for use on floors with radiant heating ■ Compatible with SikaBonds wood flooring adhesives, Sikas Level products. ■ Can be used below floating floors Coverage ■ 250 - 300 sq.ft. per 2.64 US. gal. pail when used as a moisture barrier ■ 400 - 450 sq.ft. per 2.64 US. gal. pail when used as an adhesion promoter or surface consolidator alone ■ MUST produce a monolithic, pinhole -free finish with a continuous film. The need for multiple coats is directly related to surface absorption. (Coverage figures do not include allowance for surface profile and porosity or material waste). Packaging 2.64 US. gal. pails TypICal DBtd (Material and curing conditions Rol 7J°F (23°C�and So%R_H.L__ RESULTS MAY DIFFER BASED UPON STATISTICAL VARIATIONS DEPENDING UPON MIXING METHODS AND EQUIPMENT, TEMPERATURE, APPLICATION METHODS, TEST METHODS, ACTUAL SITE CONDITIONS AND CURING CONDITIONS. How to Use Surface Preparation Shelf life 2 years from date of production If stored properly in undamaged sealed containers Storage Conditions Stare dry at 50°F (10°C) to 77'F (25°C) Service Temperature -40°F to +158°F Color Blue Chemistry Two component epoxy Density 69 lbs/cu.R. Cure Time ■ 50°F (10'C) 18 hours ■ 73°F (23°C) 8 hours ■ 86°F (30°C) 6 hours 'Minimum curing time, prior to walking on pdmedor for applying SikaBond® or Sika® Level SkimCoat. Compressive Strength 10,000 psi (69 MIPS) at 7 days Shore D Hardness 83 at 7 days (mixed ASS) Water Vapor Permeability 0.06 g/m'-24hour-mmHG (ASTM E-96) voc <50 g/L (A+B combined) ■ All substrates must be dry, stable, sound and free of all contaminants such as grease, oil, paint, wax, dust, curing and sealing compounds that will interfere with the penetration of Sikes MB. ■ All loose friable material, including preparation residue (i.e. Paint, laitance), must be completely removed using an industrial vacuum before application of the Sikas MB. The compressive strength of the concrete substrate should be at least 1,160 psi at 28 days with a minimum tensile strength of 116 psi at the time Sikas MB is applied. Repair with Sika® Level SkimCoat or SikaQuicks mortar before priming. ■ Substrate must have an open textured surface to allow Sika' MB to penetrate. Blast cleaning, grinding are considered acceptable means to achieve the desired surface profile but acid and chemical etching are not acceptable. PRIOR to EACH USE OF ANY SIKA PKODUC1, I HE USER MUST ALWAYS READ AND FOLLOW ii-It WARRflmig= INSTRUCTIONS ON THE PRODUCT'S MOST CURRENT PRODUCT DATA SHEET, PRODUCT LABEL AND SAFETY DATA SHEET WHICH ARE AVAILABLE ONLINE AT HTTP://USASIKA.COMI OR BY CALLING SIKA'S TECHNICAL SERVICE DE- PARTMENT AT 800.933.7452 NOTHING CONTAINED IN ANY SIKA MATERIALS RELIEVES THE USER OF THE OBLIGATION TO READ AND FOLLOW THE WARNINGS AND INSTRUCTIONS FOR EACH SIKA PRODUCT AS SET FORTH IN THE CUR RENT PRODUCT DATA SHEET, PRODUCT LABEL AND SAFETY DATA SHEET PRIOR TO PRODUCT USE. ■ At least 50 % of the surface area must be cleared of residual adhesive and cutbacks. (i.e. by grinding or mechanical substrate preparation). Old cutback can contain asbestos which is dangerous for the health so do not grind, sand or blast. Refer to the Resilient Floor Covering Institute's publication "recommended work practice for removal of resilient floor coverings' for instruction. ■ On fiber reinforced concrete, fibers should be flamed off the surface prior to application of Silks- MB as a moisture barrier. ■ Before overall installation begins, Sika® recommends the application of several small test patches to determine primer application requirements and acceptability of final product performance. ■ Consult Sika® Corporation's Technical Service Department for recommendations. Mixing Add one full can of ComponentAto one full can of Component B then mix with an electric drill and mixing (Jiffy Mixer type) paddle at a low speed to reduce air entrainment (300 - 400 rpm). Using a paint stick or similar is not sufficient to mix the primer. A minimum mixing time of 3 minutes shall be observed; mixing shall continue until a homogeneous mix has been achieved. Scrape sides of pail with paint stick or paddle to ensure all contents are thoroughly mixed together. Unmixed material applied to the floor will not cure properly. Application ■ Apply Sika® MB uniformly (in 2 directions 90°) to the substrate using a medium nap roller, ensuring that a continuous coat is achieved over the entire surface (MUST produce a mirror like finish). Application Recommended Coatings Results In Moisture barrier only Minimum lx Mirror like finish Substrate consolidation only Minimum Ix Good penetration Adhesion promotion only Minimum 1x Mirror like finish Moisture barrier+ substrate consolidation Minimum 2x Mirror like finish Moisture barrier + adhesion promotion Minimum 2x Mirror like finish Awaiting time of > 8 hours and c 36 hours must be observed between coats of Sika® MB ■ Pour contents of pail onto the floor for best working time. Attempting to work from the pail will reduce working time. Pot Life (Max. open time), If primer is left out of the pail after mixing: at +50°F (10°C) — 60 minutes at +680F (200C) — 30 minutes at +860F (30°C) — 15 minutes ■ When used as a moisture barrier in cement substrates prior to applying Sika® Level products, prepare the substrate mechanically as in accordance with the guidelines stated in subtitle "Surface Preparation'. Apply the first coat at 10 mils. Apply the second coat at 15 mils. in accordance with the open time (8 - 36 hrs.)*. If using Sika® Level products over Sika® MB, please see options below ■ Option 1: Broadcast to refusal with oven dried silica sand (20/30) on the coat immediately. Sweep sand once the epoxy is cured. Apply Sika® Level products on cured epoxy. ■ Option 2: Apply Sika® Level-02 EZ Primer in accordance with the open time* window. When the primer is dry, apply Sika® Level underlayment products. . *When Sika® MB is left on the substrate for more than the maximum allowable open time at 36 hours prior to placing adhesive, the surface must be mechanically prepared (i.e. sanded) and solvent wiped before oroceedina. Removal ■ ■ Clean all tools and application equipment with cleaning solvent (Xylene, MEK are effective). Hardened/cured material can only be removed mechanically. Limitations ■ Proper coverage must be used to achieve moisture barrier properties. ■ Sika® MB will not act as a moisture barrier for gypsum screeds. Gypsum based subfloors are very susceptible to excess moisture and will be degraded if exposed to excess moisture from below or above. ■ Sika® MB only protects from moisture coming from below the concrete. ■ Sikae MB will not prevent damage to gypsum based subfloors that are exposed to excess moisture levels. ■ Sika® MB will not prevent hydrostatic pressure. ■ Sika® MB must not be applied to a visibly wet substrate. ■ Sika® MB does not prevent moisture occurring between the epoxy and the floating floordue to secondary sources of moisture or acclimation, e.g. water condensation. ■ Sika® MB is not suitable for use with bonded systems due to possible curing and adhesion problems. ■ Sika® recommends the use of Sika® Level products on top of it. ■ Floor covering manufacturer's and Wood flooring manufacturer's recommendations, like room humidity levels and wood acclimation requirements should be strictly followed. ■ Sika®does not make any standing recommendations astothe structural integrity ofold adhesive residues or subflooring materials that are not manufactured by Sika°. PRIOR TO EACH USE OF ANY SIKA PRODUCI, THE USER MUS I ALWAYS READ AND FOLLOW THE WARNINGS AND INSTRUCTIONS ON THE PRODUCT'S MOST CURRENT PRODUCT DATA SHEET, PRODUCT LABEL AND SAFETY DATA SHEET WHICH ARE AVAILABLE ONLINE AT HTTP://USA.SIKA.COMI OR BY CALLING SIKA'S TECHNICAL SERVICE DE PARTMENT AT 800.933.7452 NOTHING CONTAINED IN ANY SIKA MATERIALS RELIEVES THE USER OF THE OBLIGATION 0 READ AND FOLLOW THE WARNINGS AND INSTRUCTIONS FOR EACH SIKA PRODUCT AS SET FORTH IN THE CUR RENT PRODUCT DATA SHEET, PRODUCT LABEL AND SAFETY DATA SHEET PRIOR TO PRODUCT USE. ■ When Sika® is left on the substrate for more than the maximum allowable open time of 36 hours, prior to placing the adhesive, the surface must be thoroughly cleaned and mechanically prepared (i.e. screened sand) and solvent wiped. Failure to do this, may result in adhesion problems. For detailed instruction contact our Technical Service. When used in conjunction with SikaBonds, Sika® MB does not need to be broadcasted with sand. PRIOR 10 EACH USE OF ANY Sl� PRODUCT, THE US INSTRUCTIONS ON THE PRODUCT'S MOST CURRENT PRODUCT DATA SHEET, PRODUCT LABEL AND SAFETY DATAI SHEET WHICH ARE AVAILABLE ONLINE AT HTTP:IIUSA.SIKA.COM/ OR BY CALLING BRAS TECHNICAL SERVICE DE PARTMENTAT 800,933.7452 NOTHING CONTAINED IN ANY SIKA MATERIALS RELIEVES THE USER OF THE OBLIGATIONI TO READ AND FOLLOW THE WARNINGS AND INSTRUCTIONS FOR EACH SIKA PRODUCTAS SET FORTH IN THE CUR] RENT PRODUCT DATA SHEET, PRODUCT LABELAND SAFETY DATA SHEET PRIOR TO PRODUCT USE. KEEP OUT OF REACH OF CHILDREN. NOT FOR INTERNAL CONSUMPTION. FOR INDUSTRIALUSE ONLY. FOR PROFESSIONAL USE ONLY. For further Information and advice regarding transportation, handling, storage and disposal of chemical products, users should refer to the actual Safety Data Sheets containing physical, ecological, toxicological and other safely related data. Read the current actual Safety Data Sheet before using the product. In case of emergency, call CHEMTREC at 1400-424.9300, International 703.52748aT. Poor to each use of any Sika product, the user must always read and follow the warnings and instructions on the product's most current Product Data Sheet, product label and Safety Data Sheet which are available online at http:/Iusa.sika.com/ or by calling Slka's Technical Service Depart. ment at 800-933-7452. Nothing contained In any Sika materials millennia the user of the obligation to read and follow the warnings and instruction for each Sika product as set forth In the current Product Data Sheet, product label and Safety Data Sheet prior to product use. SIKA warrants this product for one year from date of installation to be free from manufacturing defects and to meet the technical propertles on the current Product Data Sheet If used as directed within shelf life. User determines suitability of product for intended use and assumes all risks. Buyer's sole remedy shall be limited to the purchase price or replacement of product exclusive of labor or cost of labor. NO OTH ER WARRANTIES EXPRESS OR IMPLIED SHALL APPLY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SIKA SALE OF SIKA PRODUCTS ARE SUBJECT SHOVE TERMS AND CONDITIONS OF SALE AVAILABLE AT HTTPJ1USA.SIKA.COMI OR BY CALLING 201-933.8800. Visit our website at usa.sika.com 1400933ZIKA NATIONWIDE Regional Information and Sales Centers. For the location of your nearest Sika sales office, contact your regional center. Sika Corporation 201 Polito Avenue Sika Canada Inc. 601 Delmar Avenue Sika Mexicans S.A. de C.V. Carotene Libre Celaya Km. 8.5 Lyndhurst, NJ 07071 Pointe Claire Face. Industrial Balvanera V Phone: 800-933-7452 Quebec H9R 4A9 Corregidora, Queretaro Fax: 201-933-6225 Phone: 514-697-2610 C.P. 76920 _ Fax: 514-694-2792 Phone: 52 442 2385800 Sika, smaRaPae, and-Sikalelex are resislemd Fax: 52 442 2250537 trademarks. Ponied in Canada.