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Injection Systems · Injection resins
SikaDure 52
Official name Sikadur®-52 LP
2-Component, Solvent-Free, Low-Viscosity Epoxy Injection Resin
Sika TDS Reference
Catalogue reference Listed for technical reference. Not currently stocked — ask us for the nearest available alternative.
- Low Viscosity Free-flowing and highly penetrative into fine cracks.
- Structural Bond Restores structural continuity by bonding cracked sections.
- Moisture Tolerant Suitable for dry and damp substrates.
- Water & Corrosion Barrier Seals against water infiltration and corrosive media.
- No Shrinkage Cures to a rigid, high-strength product without shrinkage.
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- Sika products supplierIslamabad & Rawalpindi.
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Product at a glance
Temperature range
+25 °C min. / +40 °C max. Substrate Moisture Content Dry or damp (SSD - Saturated Surface Dry: No standing water)
Key benefits
- Low Viscosity
- Structural Bond
- Moisture Tolerant
- Water & Corrosion Barrier
- No Shrinkage
- Strong Adhesion
Sikadur®-52 LP — 2-Component, Solvent-Free, Low-Viscosity Epoxy Injection Resin
Sikadur®-52 LP is a two-part, solvent-free, low-viscosity epoxy injection resin based on high-strength epoxy resins, suitable for hot and tropical climatic conditions. It is used to fill and seal voids and cracks in structural concrete such as columns, beams, foundations, decks, walls and water-retaining structures. It forms an effective barrier against water and corrosion-promoting media while structurally bonding the concrete sections together, and does not shrink on curing.
Recommended uses
- Pressure injection of cracks in structural concrete
- Gravity filling of cracks (approx. 0.2-5 mm wide)
- Sealing voids in columns, beams and foundations
- Repair of water-retaining structures
- Structural crack repair in bridges and civil works
Technical information
Technical information
Verified performance data for Sikadur®-52 LP, taken directly from the Sika Pakistan Product Data Sheet.
| Chemical Base | Modified solvent-free two-part epoxy resin |
|---|---|
| Packaging | Pre-batched Part A+B : 4 kg unit Bulk packaging On request |
| Appearance / Colour | Part A Transparent Part B Brownish Part A+B Yellowish-brownish |
| Shelf Life | 24 months from date of production if stored properly in unopened, undamaged and sealed original packaging |
| Storage Conditions | Store in dry conditions in original sealed packaging and at temperatures between +5 °C and +30 °C. Protect from direct sunlight and heat |
| Density | +20 °C Part A+B mixed (2:1) ~1.06 kg/l |
| Tensile Strength | (ISO 527) ~27 N/mm (7 d / 30 °C) |
| Tensile Adhesion Strength | (ASTM C882) Curing time Curing temperature 25 °C 2 2 days ≥7 N/mm 2 14 days ≥10 N/mm |
| Substrate Temperature | +25 °C min. / +40 °C max. Substrate Moisture Content Dry or damp (SSD - Saturated Surface Dry: No standing water) |
Technical data: refer to the latest official Sika Pakistan Product Data Sheet, available on request.
Packaging & storage
Packaging & storage
Packaging
Pre-batched kit (refer to current packaging / price list)
Storage
Store in original, unopened, sealed and undamaged packaging in dry conditions between +5 C and +30 C. Protect from direct sunlight and heat.
Shelf life
24 months from date of production (correctly stored, unopened).
Application guide
Application guide (5 easy steps)
- Substrate PreparationSubstrates must be sound, clean and free from oil, grease, old coatings and surface treatments. Prepare concrete by high-pressure water jetting or mechanical means; clean cracks of dust with compressed air.
- Port & Seal SetupFor pressure injection, set appropriate injection ports and seal the crack surface (and around ports) with a suitable Sika epoxy sealing paste. Allow the seal to cure before injecting.
- MixingAdd all of Part B to Part A and mix with an electric mixer at slow speed (max 250 rpm) for at least 3 minutes to a uniform blend. Avoid entraining air. Mix only what can be used within the pot life.
- Injection / FillingInject with suitable manual or automated equipment, maintaining slow, steady pressure, or gravity-feed into V-notched cracks until completely filled.
- CleaningClean tools with a suitable Sika cleaner before the resin hardens; cured resin can only be removed mechanically.
Follow the official Sika Technical Data Sheet for full application details.
Technical documents
Data sheets for this product
More data sheets in Sealing & Bonding
FAQs
Frequently asked questions
What is Sikadur®-52 LP?
A 2-part, solvent-free, low-viscosity epoxy injection resin for filling and sealing cracks and voids in structural concrete, restoring structural continuity.
What crack widths can it fill?
It is suitable for injecting cracks approximately 0.2 to 5 mm wide.
Can it be used on damp concrete?
Yes, it is suitable for both dry and damp substrates, but cracks must be free of standing water.
How is it mixed?
Add all of Part B to Part A and mix at max 250 rpm for at least 3 minutes, avoiding air entrainment.
Where are the full technical specifications?
Detailed figures are provided in the current official Sika Pakistan Product Data Sheet, available on request.
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