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Fosroc Conbextra EPR is a three component epoxy resin free-flow grout conforming to the requirements of BS EN1504-3 Class R4 and BS EN1504-6 - Anchoring of reinforcing steel bar.
Suitable for use on concrete and steel for grouting under baseplates, crane rails, turbines where heavy dynamic loads are encountered and areas where chemical spillage may occur.
Conbextra EPR is for grouting gap thicknesses from 10mm to 120mm. A three-component system consisting of base resin, liquid hardener and specially graded inert fillers, which are mixed and poured into the gap. For smaller gap widths from 0.25 to 10 mm please see Fosroc Conbextra EP10.
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Features & Benefits
- Typical applications include reciprocating machinery, testing equipment, heavy crane and transporter rails, high speed turbines, centrifuges, drop forges, electroplating and chemical plants and anchoring of steel bars
- Low creep characteristics under sustained loading
- Resistant to repetitive dynamic loads
- Non-shrink, ensuring complete surface contact and bond
- High compressive, tensile and flexural strengths
- Fast, convenient installation with rapid strength gain
- Withstands a wide range of chemicals
- For smaller gap widths from 0.25 to 10 mm please see Fosroc Conbextra EP10
- Fire Rating: EN 13501-1 Class C1 s1 dO
- Please refer to the Product Data Sheet for full details of:
- Properties
- Specification Clause
- Standard Compliance
- Mixing
- Application Instructions
- Estimating
- Cleaning
- Storage
- Health and Safety
Application Notes
- The formwork should be constructed to be leakproof as Conbextra EP products are free-flowing grouts
- Loss of grout once the material is placed but not hardened, will result in incomplete filling of the gap
- Mix using a slow speed power drill and an MR3 Mixing Paddle
- For free-flow grout conditions it is essential to provide a hydrostatic head of grout
- To achieve this a feeding hopper system should be used
- The mixed grout should be poured steadily from one side only to eliminate the entrapment of air
- Continuous grout flow is essential
- Sufficient grout must be available prior to starting
- The time taken to pour a batch should be regulated to the time taken to prepare the next batch
- After curing the unrestrained grout should be cut back below the bottom of the baseplate using a skill saw
Please see the Product Data Sheet for detailed information.
Limitations
During application:
- Grouting may be carried out without special precautions at ambient temperatures from 5°C to 25°C
- Where ambient temperatures exceed 20°C note the pot life will be reduced
- Cure temperatures below 15°C will result in slower strength build up; at 5°C cure will stop until the material warms
Exotherm:
- All epoxy systems will develop a temperature rise on mixing
- Its extent will be a function of the volume to surface ratio, the ambient temperature as well as the mass and thermal conductivity of the surrounding materials
- Ensure good ventilation and do not breathe fumes
- Please contact our Technical Department on 0113 2455450 (option 2) or send a message to [email protected] for specific advice
In Service:
- The cured grout, which is completely resistant to frost and sub-zero temperatures, is suitable for use up to 45°C
- Please contact our Technical Department on 0113 2455450 (option 2) or send a message to [email protected] for specific advice
IMPORTANT FIRE PRODUCTS NOTICE: The information displayed on this website should be used as a guide ONLY and our Technical Department should be contacted to obtain a tailored specification and any advice necessary before you place an order for fire protection products. Fire protection products are non-returnable except in accordance with Condition 8 of the Terms and Conditions and should be applied only by an individual with the necessary expertise and experience. We will not be held liable for any resulting damage to property, human life or monetary costs incurred due to the incorrect specification you have prepared or use of fire protection products caused by your negligence, including your failure to have contacted us to obtain the relevant advice/specification.
Data sheet
- Manufacturer
- Fosroc
- For Use By
- Professional Use
- For Use On
- Concrete
Steel - Single, Two or Three Pack
- Three-Pack
- Pack Size
- 15L
- Application
- Pour
- Pot Life (at 20°C)
- 30 Minutes
- Recommended Thinner/Cleaner
- Fosroc Solvent 102
- Shelf Life (from date of manufacture)
- 18 months in dry conditions @20°C
- UN Number (Activator)
- UN2327
- UN Number (Base)
- UN3082
- Base Type
- Solvent-Based
- Suitable For Use On
- Steel
- Suitable For Use On
- Concrete
- Application Method
- Pour
- Manufacturer
- Fosroc
- Usages
- Precision Resin Grouts
- Product Usage Type
- Resin Grout
- Product Range
- Conbextra
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Fosroc Conbextra EPR 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
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