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EPIREZ Heavy Duty Backing Grout 5137 is a non-shrink, heavy-duty epoxy grout designed for demanding industrial and structural applications. Its flowable consistency allows it to fill fine voids and cavities down to 2 mm, before hardening into a tough, impact-resistant backing.

Heavy Duty Backing Grout 5137 is particularly suited to backing crusher manganese steel liners, where it provides support to the components and protection for supporting structures. It is also suitable for machine bases, bearing supports, bridge footings and rail grouting.

The grout provides high compressive strength, excellent mechanical strength and good chemical resistance without requiring aggregate to be added. It can be used for pours from 2 mm to 50 mm, depending on the volume of the pour.

The product was previously named EPIREZ® 5137.

Key Features and Benefits

  • Non-shrink epoxy grout: Designed for precision backing and support applications.
  • Fine void filling: Flows into cavities and voids down to 2 mm.
  • High compressive strength: Minimum stated compressive strength is 104 MPa.
  • Impact resistant: Hardens into an extremely tough, impact-resistant backing.
  • Excellent mechanical strength: Designed for demanding equipment support applications.
  • No aggregate required: Easy mixing without adding aggregate.
  • Good chemical resistance: Suitable for corrosive industrial environments.
  • Wide pour range: Suitable for pours from 2 mm to 50 mm.
  • Self-extinguishing: Meets the stated ASTM D635 flammability classification.

Where Can EPIREZ Heavy Duty Backing Grout 5137 Be Used?

Heavy Duty Backing Grout 5137 is designed for demanding mining, quarrying, industrial and structural applications.

  • Backing for crushing equipment
  • Manganese steel crusher liners
  • High-strength bearing supports
  • Machine bases in corrosive environments
  • Bridge footings
  • Rail grouting

The product has been used by major mining and quarrying operators throughout Australia, Asia and the Pacific region.

Coverage and Pour Thickness

Pack Size Mixed Volume Pour Thickness
10 kg 6 litres 2–50 mm

The suitable pour thickness depends on the volume of the pour. For specific recommendations based on the project, technical advice should be obtained before application.

Technical Specifications

Specification Technical Data
Product EPIREZ® Heavy Duty Backing Grout 5137
Previous Name EPIREZ® 5137
Product Type Non-shrink heavy-duty epoxy backing grout
Mixed Colour Green
Mixing Ratio by Volume 1 Hardener to 5 Compound
Mixing Ratio by Weight 1 Hardener to 10 Compound
Initial Mixed Viscosity <10 Pa.s at 25°C
Work Time @ 25°C 30 minutes
Work Time @ 15°C 60 minutes
Setting Time @ 25°C 6 hours
Setting Time @ 15°C 12 hours
Cure Time @ 25°C 24 hours
Cure Time @ 15°C 48 hours
Minimum Compressive Strength 104 MPa
Brinell Hardness 57
Maximum Casting Thickness 50 mm
Maximum Service Temperature 130°C
Flammability Self-extinguishing according to ASTM D635
Dielectric Constant 3.3 at 100 kHz, 25°C
Dielectric Strength 180 kV/cm
Kit Size 10 kg
Mixed Volume 6 litres
Shelf Life 2 years

Important: Always read the current manufacturer's Technical Data Sheet before mixing, surface preparation or application.

What is EPIREZ Heavy Duty Backing Grout 5137 used for?
It is a non-shrink epoxy grout used for crusher liners, machine bases, bearing supports, bridge footings and rail grouting.

Can EPIREZ 5137 be used behind crusher manganese steel liners?
Yes. EPIREZ Heavy Duty Backing Grout 5137 is designed for backing crusher manganese steel liners and supporting associated components.

How small a void can EPIREZ Heavy Duty Backing Grout 5137 fill?
Its flowable consistency allows it to fill fine voids and cavities down to approximately 2mm.

What pour thickness is suitable for EPIREZ 5137?
EPIREZ 5137 can be used for pours from 2mm up to 50mm, depending on the pour volume.

What is the compressive strength of EPIREZ Heavy Duty Backing Grout 5137?
The minimum stated compressive strength is 104MPa, providing high strength for demanding industrial applications.

How much does a 10kg kit of EPIREZ 5137 cover?
A 10kg kit produces approximately 6 litres of mixed epoxy grout. Actual coverage depends on the pour thickness and area.

Colour Accuracy Disclaimer: We have taken care to display the most accurate visuals of our products. However, we are not responsible for the colour accuracy of the device you are viewing our swatches on. These variations arise due to different computer monitors and devices (make, model and technology, as well as resolution, contrast and brightness control settings) in much the same way a scan will differ from an original image and a colour photocopy. Furthermore, coatings can exhibit variation in perceived colour depending on gloss level and application method. If you require a very specific colour match, please make your selection via actual swatches and colour boards available at our showroom.

Product Disclaimer: Ensure you read all product, technical and safety data sheets prior to application as liability falls on the applicator. All products must be applied in accordance with manufacturer’s recommended method.

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