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Sika Sikadur 32+ is a moisture tolerant, structural, 2-part adhesive, based on a combination of epoxy resins and special fillers, designed for use at temperatures between 10°C and 30°C.
- Suitable for dry and matt damp concrete substrates
- Easy to mix and apply
- Very good adhesion to a range of construction materials
- Hardens without shrinkage
- Different coloured parts (for mixing control)
- No primer needed
- High initial and ultimate mechanical strength
- Impermeable to liquids and water vapour
- Good chemical resistance
- Shelf life: 24 months
Quick Links - Click To Jump To Section:
- Features & Benefits
- Preparation & Application
- Limitations
- Approvals & Standards
- Storage, Ecology, Health & Safety
- Environmental Information
Features & Benefits
- The Product is used as a structural adhesive for bonding the following:
- Fresh concrete to hardened concrete
- Concrete elements
- Hard natural stone
- Ceramics and fibre cement
- Mortar, bricks, masonry and render
- Iron and steel
- Wood
- Polyester, epoxy, polyurethane (PU) grouts (e.g. Sika® Icosit® KC Range)
- Polyester / fibreglass and epoxy resin material
- The Product is used as an adhesive for fixing and anchoring the following:
- Small anchors
- Fasteners
- Railway fasteners
- The Product is used as a primer for the Sika Icosit KC System:
- On prepared dry and matt damp concrete surfaces
- On prepared metal surfaces
- Product Declaration:
- EN 1504-4: Structural bonding
- EN 1504-6: Anchoring
Preparation & Application
- It is essential that both components are fully used, ensuring no excess material remains within the container prior to mixing - failure to do so could adversely affect the chemical reaction
- Beware of condensation
Substrate Quality:
Concrete, Masonry, Mortar or Stone:
- Concrete and mortar must be at least 28 days old
- Substrates must be sound, clean, dry or matt damp with no standing water
- Substrates must also be free from contamination such as ice, dirt, oil, grease, coatings, laitance, efflorescence, surface treatments and loose friable material
Steel:
- Surfaces must be sound, clean, dry and free of all contaminants such as dirt, oil, grease, coatings and loose friable material
- Steel substrate temperature during application must be at least 3 °C above dew point
Wood:
- Surfaces must be sound, clean, dry and free of all contaminants such as dirt, oil, grease, coatings and loose friable material
Ceramics or Glass:
- Surfaces must be sound, clean, dry and free of all contaminants such as dirt, oil, grease, coatings and loose friable material
Substrate Preparation:
Important - Reduced adhesion performance:
- Surface contamination such as dust and loose material, including that caused during substrate preparation can reduce the Product's performance
Concrete, Masonry, Mortar or Stone:
- Substrates must be prepared mechanically using suitable equipment to achieve an open-textured, gripping surface profile
- Suitable techniques for substrate preparation include the following:
- Abrasive blast cleaning
- Needle gunning
- Light scabbling
- Bush hammering
- Grinding
Steel:
- Suitable techniques for substrate preparation include the following:
- Abrasive blast cleaning
- Rotating wire brush
- Grinding
- The substrate has a bright metal finish with a surface profile to satisfy the necessary tensile adhesion strength requirement
Wood:
- Prepare the substrate by planing, sanding or using other suitable equipment
Ceramics or Glass:
- Prepare the substrate by sanding or using other suitable equipment
Mixing:
Maintaining workability and handling time:
- When using multiple units during application, do not mix the following unit until the previous one has been used
Pre-batched units:
- Mix full units only
- Prior to mixing all parts, mix Part A (resin) briefly using a mixing spindle attached to a slow speed electric mixer (maximum 300 rpm)
- Add Part A to Part B (hardener) ensuring all material has been removed and added to Part B
- Mix Parts A+B continuously for at least 3 minutes until a uniformly coloured, smooth consistency mix has been achieved
- Do not overmix
- To ensure thorough mixing pour materials into a clean container and mix again for approximately 1 minute
- Mixing time for Parts A+B = 4 minutes
Application:
Provide temporary support for heavy components positioned vertically or overhead.
Bonding Applications:
- On damp prepared concrete substrates, always apply by brush and work the Product well into the substrate
- Apply the mixed Product to the prepared substrate by brush, roller, spray or trowel ensuring uniform and complete coverage
- For optimum adhesion, apply the adhesive to both substrates that require bonding
- For bonding wet fresh concrete to hardened prepared concrete, place the concrete whilst the resin layer is still tacky
- Note: If the product becomes glossy and loses tackiness, apply another coat and proceed to place concrete
Anchoring Applications:
- For small anchors or fasteners, clean the hole thoroughly with a special round steel brush and with compressed air (minimum pressure 6 bar), starting from the bottom
- Once the hole is completely clean and free of any loose particles or dust, pour the Product in the hole, avoiding entrapping air
- Insert the anchor or fastener with a rotary motion within the adhesive open time
- Note: Some of the adhesive must flow out of the hole
- During the resin hardening time the anchor must not be moved or loaded
Cleaning of tools:
- Clean all tools and application equipment with Sika Thinner C immediately after use
- Hardened / cured material can only be mechanically removed
Limitations
- The Product will not adhere to substrates with a siliconised surface
- Sikadur resins are formulated to have low creep under permanent loading
- However, due to the creep behavior of all polymer materials under load, the long term structural design load must account for creep
- Generally the long term structural design load must be lower than 20% to 25% of the failure load
- A structural engineer must be consulted for load calculations for the specific application
Important:
- Ensure product is protected from rain / moisture for at least 24 hours after application
- Do not apply material if either substrate, ambient or product temperature is below 10°C
- Temperatures below this will have an adverse affect on curing and product performance
Approvals & Standards
- CE / UKCA marking and declaration of performance based on EN 1504-4:2004 Products and systems for the protection and repair of concrete structures — Structural bonding
- CE / UKCA marking and declaration of performance based on EN 1504-6:2004 Products and systems for the protection and repair of concrete structures — Anchoring reinforcing steel bar
Storage, Ecology, Health & Safety
- Shelf Life: 24 months from date of production
- User must read the most recent corresponding Safety Data Sheets (see 'Data Sheets' section above) before using any products
- The SDS provides information and advice on the safe handling, storage and disposal of chemical products and contains physical, ecological, toxicological and other safety-related data
Environmental Information
- Contributes towards satisfying Materials and Resources (MR) Credit: Building product disclosure and optimization — Environmental Product Declarations under LEED v4
- Contributes towards satisfying Materials and Resources (MR) Credit: Building Product Disclosure and Optimization — Material Ingredients under LEED v4
- Environmental Product Declaration (EPD) in accordance with EN 15804 - EPD independently verified by
Institut für Bauen und Umwelt e.V. (IBU)
Data sheet
- Manufacturer
- Sika
- For Use On
- Concrete
Natural Stone
Ceramics
Fibre Cement
Mortar
Bricks
Masonry
Render
Iron
Steel
Wood
Polyester
Fibreglass
Epoxy Resin
Small Anchors
Fasteners
Railway Fasteners - Application Method
- Brush
Roller
Spray
Trowel - Single, Two or Three Pack
- Two-Pack
- Pack Size
- 4.5kg
- Tensile Strength
- 1 day @23°C: ~16 N/mm²
14 days @23°C: ~37 N/mm² - Density
- (1.5 ± 0.1) kg/L
- UN Number
- A: UN3082
- Consumption
- 1.5 kg/m² per mm of thickness, if used as a continuous layer
0.7 kg/m² –1.0 kg/m² is the quantity normally needed for bonding wet fresh concrete to hardened prepared concrete - Elongation at break
- Cured 14 days at +23°C (1.4 ± 0.1) % (EN ISO 527-2)
- Compressive Strength
- 61 N/mm² (EN 12190)
- Suitable For Use On
- Fibreglass
- Suitable For Use On
- Mortar
- Suitable For Use On
- Iron
- Suitable For Use On
- Ceramics
- Suitable For Use On
- Natural Stone
- Suitable For Use On
- Fibre Cement
- Suitable For Use On
- Polyester
- Suitable For Use On
- Epoxy Resins
- Suitable For Use On
- Masonry
- Suitable For Use On
- Concrete
- Suitable For Use On
- Brick
- Suitable For Use On
- Wood
- Suitable For Use On
- Render
- Suitable For Use On
- Steel
- Application Method
- Brush
- Application Method
- Roller
- Application Method
- Spray
- Application Method
- Trowel
- Manufacturer
- Sika
- Product Usage Type
- Adhesive
- Elastic Modulus ASTM D695
- Cured 14 days at +23 °C: ~3300 N/mm²
Questions
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Sika Sikadur 32+ is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT