Megapoxy P1

MEGAPOXY P1 is a two component epoxy paste based on DGEBA epoxy resin and carbonate free filler. Easy to use, this product sets after mixing with excellent properties for a wide range of applications.

Recommended applications

BONDING FILLING & REPAIRS
Precast concrete articles Concrete pipes and tanks Fibreglass articles
Metal to metal or concrete Concrete floors and stairs
Grouting bolts Concrete column
Natural stones Insitu formed concrete
Bricks and ceramicsBricks and ceramics Flush-filling countersunk
Bonding compressed cement sheet screws in fibre cement sheet

Characteristics

  • Simple 1:1 mix ratio
  • Creamy texture, blends easily
  • Non-sag on vertical & overhead surfaces
  • Adheres and cures under adverse conditions (cold & damp)
  • Good strength retention after prolonged immersion in water
  • Very high strength permanent bonds
  • Tensile and compressive strengths superior to concrete
  • Excellent chemical resistance

Availability

MEGAPOXY P1 is available in 4 Litre & 20 Litre kits.
Shelf life of unopened kits is 2 years minimum.
The product should be stored in a cool, dry place.

Product specification

PART “A” PART “B”
Colour White Black
Consistency Thixotropic paste Thixotropic paste
Flash point Above130°C Above 100°C

Surface preparation

METALS

Metals should be grit blasted to clean surface. If this is not possible, mechanically abrade to clean bright metal surface and degrease by flooding the abraded surface with Megapoxy Thinners. Wire brushing is not entirely satisfactory and gives minimal adhesion only.

CONCRETE

Concrete should be free from grease and oil. If necessary, clean with industrial heavy duty degreaser. When clean, remove surface laitence. This is best done by mechanical abrasion such as scabbling, grit blasting or grinding. If this is not possible acid etching must be carried out. Mix concentrated hydrochloric acid with equal volume of water and spread at the rate of 0.5 litre per square metre of concrete surface. Allow to react for about 10 minutes and wash the area thoroughly and scrub with a stiff bristled broom to remove loose sand. Allow to dry for 24 hours. For maximum adhesion concrete should be dry.

Painted surfaces

METALS

Steps should be taken to remove all paint. : Good quality paint stripper should be used, followed by grit blasting

CONCRETE

The surface may be either flame-cleaned, or mechanically treated with a scutching tool. Complete the preparation by grinding or scabbling

Processing data

Mixing Ratio 1 part “A” to 1 part “B” by volume
Mixing Mix until uniform grey
Usable life at 25°C 60 minutes
Minimum cure time 24 Hours at 25°C
Full cure time 4 Days at 25°C
Minimum recommended application temperature 10°C

Mixing precautions

It is essential that the correct mixing ratio be used and that the part “A” and part “B” are thoroughly mixed together before use.
Inaccuracies and poor mixing will result in lower physical properties of the cured system and, if the error is sufficiently large, the system may not cure satisfactorily and discolour on aging.

Typical cured properties

Tensile strength 45 MPa
Tensile shear strength 14 MPa
Compressive strength 80 MPa
Flexural strength 18 MPa
Modulus of elasticity 2,000 MPa
Maximum operating Temperature 80°C
Density 1.45 kg per litre
Dielectric strength 50Hz @ 25°C (Kv/cm) 190

Cleaning up

To keep mixing implements and working tools clean, use Megapoxy Thinners. Use disposable rubber gloves to protect hands and maintain proper industrial hygiene. For further details refer to Safety data sheet.

Technical service

All purchasers of MEGAPOXY products are invited to avail themselves of our technical service on epoxy base materials. The methods and systems outlined in this bulletin are the best available at the present time, however continual research and development is being carried out and could result in change without prior notice.

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