Sikadur®-31 C

2-part epoxy adhesive for Sikadur-Combiflex® System and Sika® Dilatec® System

Sikadur®-31 C is solvent-free, moisture tolerant, two part epoxy based thixotropic adhesive for bonding Sikadur-Combiflex® SG tape and Sika® Dilatec® tape to different substrates. It can be used for both internal and external use.

  • Easy to mix and apply
  • Suitable for both dry and damp concrete surfaces
  • Excellent adhesion to many materials

Usage

As adhesive for the Sikadur-Combiflex® System As adhesive for the Sika® Dilatec® System These systems are used for various applications such as:

  • Expansion Joint treatment
  • Construction Joint treatment
  • Crack treatment
  • Precast panels joint treatment

Packaging

Part A : 4.00 kg container x 2
Part B : 2.00 kg container x 2
Part A+B : 6.00 kg container x 2 ready to mix units

Colour

Part A: White
Part B: Black
Part A+B Mixed : Concrete Grey

Advantages

  • Easy to mix and apply
  • Suitable for both dry and damp concrete surfaces
  • Excellent adhesion to many materials
  • Solvent free
  • Performs well within a wide temperature range
  • Completely weather and water resistant
  • Fast curing
  • Root resistant
  • Good resistance to many chemicals
  • Thixotropic – suitable for overhead and vertical applications
  • No primer needed
  • High mechanical resistance
  • Good abrasion resistance

Product Information

Composition

Modified, solvent free, fillerised 2-part epoxy resin

Shelf life

12 months from the date of production

Storage conditions

Store in unopened, undamaged and sealed original packaging in cool and dry conditions at temperatures between +5°C and +40°C

Density

Part A : 1.70 kg/l (at +27°C)
Part B : 1.90 kg/l (at +27°C)
Part A+B Mixed : 1.75 kg/l (at +27°C)

All density values at +27°C

Technical Information

Compressive Strength

Curing Time

Compressive Strength

1 day

≥ 45 N/mm2

7 days

≥ 48 N/mm2

Tensile Adhesion Strength

Substrate

Bond Strength

Concrete (Dry)

> 1.5 N/mm2 (Concrete Failure)

Concrete (Wet / Damp)

> 1.5 N/mm2 (Concrete Failure)

Chemical Resistance

Long term to:
Water, lime water, cement water, seawater, salt solutions, domestic sewage, bitumen, bitumen emulsion coatings etc.

Temporary to:
Light fuel oil, diesel, diluted alkali and mineral acids, ethanol, methanol, petrol etc.

These chemical resistance indications may be used to determine the suitability of the sealing system. For more information, please consult Sika Technical Services.

Service Temperature

-30°C to +50°C

Sikadur®-31 C

Technical Data Sheet (TDS)

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