Sikadur®-31 CF Normal

Application

:

Indoor | Outdoor

Chemical Base

:

Epoxy resin

Colour

:

Component A: White | Component B: Dark grey | Components A+B mixed: Concrete grey

Product type

:

Moisture toleran

Shelf Life

:

24 months from date of production

Storage Conditions

:

Protect from direct sunlight

Usage

:

Concrete elements | Hard natural stone | Ceramics & Fiber cement | Mortar, Bricks & Masonry | Steel, Iron & Aluminium | Wood | Polyester & Epoxy | Glass | Corners & edges | Holes & void filling | Vertical & overhead use | Joint & crack arris/ edge repair

Packaging

:

6 kg (A + B) *Pre-batched unit pallets of 480 kg (80 x 6 kg)

Ambient Air Temperature

:

+10 °C minimum/ +30 °C maximum

Coefficient Of Thermal Expansion

:

5.9 x 10−5 per °C (Temperature range from +23 °C to +60 °C) (EN 1770)

Compressive Strength 1 Day Curing Time

:

~30 N/ mm² (Curing temperature +10 °C) | ~50 N/ mm² (Curing temperature +23 °C) | ~55 N/ mm² (Curing temperature +30 °C)

Compressive Strength 3 Days Curing Time

:

~45 N/ mm² (Curing temperature +10 °C) | ~60 N/ mm² (Curing temperature +23 °C) | ~65 N/ mm² (Curing temperature +30 °C)

Compressive Strength 7 Days Curing Time

:

~55 N/ mm² (Curing temperature +10 °C) | ~65 N/ mm² (Curing temperature +23 °C) | ~65 N/ mm² (Curing temperature +30 °C)

Density

:

1.90 + 0.1 kg/ l (Components A + B mixed) (At +23 °C) (Evacuated)

Dew Point

:

Beware of condensation

Different Coloured Components (For Mixing Control)

:

Yes

Good Abrasion Resistance

:

Yes

Good Chemical Resistance

:

Yes

Hardens Without Shrinkage

:

Yes

Heat Deflection Temperature

:

7 days (Curing time) | +23 °C (Curing temperature) | +49 °C (Thickness 10 mm) (HDT)

High Initial And Ultimate Mechanical Strength

:

Yes

Impermeable To Liquids And Water Vapour

:

Yes

Layer Thickness

:

30 mm maximum

Mixing Ratio

:

Component A : component B = 2 : 1 by weight or volume

Modulus Of Elasticity In Compression

:

~4,600 N/ mm² (14 days at +23 °C) (ASTM D695)

No Primer Needed

:

Yes

Sag Flow

:

On vertical surfaces it is non-sag up to 15 mm thickness (EN 1799)

Shrinkage

:

Hardens without shrinkage

Substrate Moisture Content

:

Substrate must be dry or mat damp (no standing water) | Brush the adhesive well into the substrate

Substrate Temperature

:

+10 °C minimum/ +30 °C maximum

Tensile Strength In Flexure 1 Day Curing Time

:

~14 N/ mm² (Curing temperature +10 °C) | ~25 N/ mm² (Curing temperature +23 °C) | ~25 N/ mm² (Curing temperature +30 °C)

Tensile Strength In Flexure 2 Days Curing Time

:

~25 N/ mm² (Curing temperature +10 °C) | ~30 N/ mm² (Curing temperature +23 °C) | ~30 N/ mm² (Curing temperature +30 °C)

Tensile Strength In Flexure 7 Days Curing Time

:

~30 N/ mm² (Curing temperature +10 °C) | ~35 N/ mm² (Curing temperature +23 °C) | ~35 N/ mm² (Curing temperature +30 °C)

Thixotropic

:

Non-Sag In Vertical And Overhead Applications

Certification

:

ISO 14001 SGS | ISO 9001 SGS