Sika Ag · SIX:SIKA
Sika — Technical Presentation (October 2019)
17 slides from Sika's technical presentation, October 2019
Slide 1: 1
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Slide 2: Sikadur 31, Hi-Mod Gel Application Instructions
Construction Sikadur 31, Hi-Mod Gel Application Instructions Sika Corporation
Slide 3: Sikadur 31, Hi-Mod Gel
Construction Sikadur 31, Hi-Mod Gel Structural epoxy paste adhesive Two-component 100% solids Solvent-free Moisture-tolerant High-strength High-modulus Sika Corporation
Slide 4: Where to use
Construction Sikadur 31, Hi-Mod Gel Where to use: • Structural bonding of concrete, masonry, metals, wood, etc. to a maximum glue line of 1/8 in. (3mm) • Grout bolts, dowels, and pins • Sealing cracks and around injection ports prior to pressure-injection grouting • Interior, vertical, and overhea
Slide 5: Packaging and coverage
Construction Sikadur 31, Hi-Mod Gel Packaging: • 1 and 3 gallon units Coverage: • 1 gal. yields 231 in3 of epoxy paste adhesive • 1 gal. of adhesive (A + B), when mixed with 1 gal. by loose volume of oven-dried aggregate, yields approx. 346 in3 of epoxy mortar Sika Corporation
Slide 6: Surface Preparation
Construction Surface Preparation Surface must be clean and sound. Surface may be dry or damp, but must be free of standing water. Dry conditions are ideal. Remove dust, laitance, grease, curing compounds, impregnations, waxes and any other contaminants before application. Sika Corporation
Slide 7: Surface Preparation: Concrete
Construction Surface Preparation Concrete: • Surface should be cleaned and prepared to achieve a laitance and contaminant free, open textured surface by blast cleaning or equivalent mechanical means (ICRI CSP-3 or greater). Sika Corporation
Slide 8: Steel Preparation
Construction Steel Preparation Steel • Steel should be cleaned and prepared thoroughly by blast cleaning. Sika Corporation
Slide 9: Tools Required
Construction Tools Required Low speed mixer (400-600 rpm) Jiffy mixer paddle [or similar (i.e. Exo-mixer)] Spatula Trowel Sika Corporation
Slide 10: Mixing
Construction Mixing Pre-mix both A & B components Condition material to 65°-85°F before mixing Proportion equal parts by volume of Component A and B into clean pail Mix thoroughly for 3 minutes with Jiffy mixing paddle on low-speed (400-600 rpm) until uniform in color Mix only quantity tha
Slide 11: Application: structural adhesive
Construction Application As a structural adhesive • Apply the neat mixed Sikadur 31, Hi-Mod Gel to the prepared substrates. • Work into the substrate for positive adhesion. • Secure the bonded unit firmly into place until the adhesive has cured. • Glue line should not exceed 1/8-in. (3mm). • Photo
Slide 12: Application: sealing cracks for injection grouting
Construction Application To seal cracks for injection grouting 1. Set porting device over crack. 2. Place the neat mixed Sikadur 31, Hi-Mod Gel material over the cracks to be pressure injected and around each injection port. (Allow sufficient time to set before pressure injecting.) Sika Corporatio
Slide 13: Application: pick-proof sealant
Construction Application As a pick-proof sealant • Use automated or manual method. • Apply an appropriate size bead of material in the joint or around the area being sealed. • Seal with neat Sikadur 31, Hi-Mod Gel. Sika Corporation
Slide 14: Mixing: Epoxy Mortar
Construction Mixing Epoxy Mortar • Slowly add up to 1 part, by loose volume of an oven-dried silica sand to 1 part mixed Sikadur 31, Hi-Mod Gel, and mix until uniform in consistency. Sika Corporation
Slide 15: Application: vertical and overhead patching
Construction Application For interior vertical & overhead patching 1. No need to prime for gels 2. While primer is still tacky fill cavity with Sikadur 31 Hi-Mod Gel epoxy resin mortar. Strike off and level, finishing with a trowel. • Lifts should not exceed 1-in (25 mm). Sika Corporation
Slide 16: Precautions
Construction Precautions Always read the current product data sheet, material safety data sheet and label prior to use. Avoid skin and eye contact Wear • chemical resistant gloves • goggles Ventilate area Dispose of in accordance with local, state and federal regulations Uncured material
Slide 17: Sika Product Data Sheets
Construction Sikadur 31, Hi-Mod Gel Sika Product Data Sheets can be obtained via: http://usa.sika.com Refer to data sheets for specific information on each Sika product. Sika Corporation