Sika® Bonding Primer | NASIR & SONS PAKISTAN

Sika® Bonding Primer is a high-performance, two-component, water-based liquid primer designed to consolidate friable substrates and enhance the adhesion of SikaRoof® MTC, Sikalastic®, Sikafloor®, and Sikagard® coating systems. Featuring low odor, a rapid cure time—re-coatability in as little as 1 hour—and a long pot life of up to 12 hours, it provides a versatile bonding solution for porous and absorbent surfaces.
- Delivery & Return
Delivery
We ship to mostly Cities in Pakistan. All orders are shipped with any Courier tracking number. Shipping Will by Applied. During sale periods and promotions the delivery time may be longer than normal.Return
Nasir & Sons will accept exchanges and returns of unworn and un-Damaged Materials within 7 days of the date of purchase (14 days during the sales period), Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed. Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.Help
Give us a shout if you have any other questions and/or concerns. Email: info@nasirnsons.com Phone: +92 321 8217972 - Ask a Question
Sika® Bonding Primer is a two-component, waterborne epoxy-polyamine resin primer formulated to prepare absorbent, dusty, or friable surfaces prior to applying Sika waterproofing, roofing, flooring, and hygiene coating systems. It effectively seals surfaces, evens out substrate absorbency, and maximizes mechanical bond strength.
Key Features & Benefits
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Rapid Curing: Fast-drying formula allows overcoating in as little as 1 hour depending on temperature and relative humidity.
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Extended Pot Life: Long working time of up to 12 hours after mixing.
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Low Odor & Water-Based: Safe and user-friendly for both internal and external applications, with low VOC content ($<140\text{ g/l}$).
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Substrate Consolidation: Strengthens and stabilizes porous, dusty, or crumbling surfaces to create a sound foundation.
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Superior Adhesion: Achieves a bond strength $>1.5\text{ N/mm}^2$ (concrete failure).
Recommended Uses & Compatible Substrates
Designed for use beneath SikaRoof® MTC, Sikalastic® roofing systems, Sikafloor® balcony waterproofing, and Sikagard® hygiene coatings. Suitable for application on:
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Concrete, cementitious renders, screeds, and mortars
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Brickwork, blockwork, stone, and tile (glazing mechanically removed)
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Bituminous surfaces, masonry, plaster, and insulation foams
Product Specifications
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Appearance/Color: Milky green liquid (Resin/Mixed)
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Mixing Ratio: 80 : 20 (Part A : Part B by volume or weight)
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Coverage / Consumption: Approx. $0.10\text{ kg/m}^2$ depending on substrate porosity
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Packaging Sizes: Available in 1.0 L, 5.0 L, and 15.0 L containers
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Shelf Life: 24 months in original, unopened packaging stored between $+5^\circ\text{C}$ and $+25^\circ\text{C}$
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