Sika Sikadur 31 Hi-Mod Gel Epoxy Paste Adhesive 3 Gallons
Sikadur 31, SBA is a unique high-modulus 2-component, moisture-tolerant, solvent-free, epoxy resin system available in three application temperature ranges. A unique high-modulus, structural adhesive for bonding hardened concrete to hardened concrete for segmental bridge construction. The mixed material has the consistency of paste and is a concrete gray color. It conforms to the current ASTM C-881, Type VI requirements, and ASBI guidelines.
Where to Use
• Structural bonding of concrete, masonry, metals, wood, etc. to a maximum glue line of 1/8 in. (3 mm).
• Grout bolts, dowels, and pins.
• Seals cracks and around injection ports prior to pressure-injection grouting.
• Interior, vertical, and overhead repair of concrete as an epoxy mortar binder.
• As a pick-proof sealant around windows, doors, lock-ups etc. inside correctional facilities.
Advantages:
• Meets physical requirements of ASTM C-881 Types I, II & IV, Grade 3, Classes B & C.
• Suitable for potable water contact, meets NSF/ANSI Standard 61.
• Excellent adhesion to concrete, masonry, metals, wood, and most structural materials.
• Paste consistency ideal for vertical and overhead repair of concrete.
• Fast-setting and strength-producing adhesive.
• Convenient easy mix ratio A:B = 1:1 by volume.
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. (3 mm).
To seal cracks for injection grouting - Place the neat mixed material over the cracks to be pressure injected and around each injection port. Allow sufficient time to set before pressure injecting. For interior vertical and overhead patching - Place the prepared mortar in void, working the material into the prepared substrate, filling the cavity. Strike off level. Lifts should not exceed 1-in (25 mm).
As a pick-proof sealant - Use automated or manual method. Apply an appropriate size bead of material around the area being sealed. Seal with neat Sikadur® 31, Hi-Mod Gel.
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