Product Data Sheet Show all documents

Sika MonoTop®-612 PK

 Fiber Reinforced, Polymer Modified Repair Mortar

Sika MonoTop®-612 PK is a cementitious, silica fume containing, fibre reinforced polymer modified one-component repair mortar. Suitable for use in hot and tropical climatic conditions.

  • Easy to use, just add water
  • Excellent workability
  • Adjustable consistency
  • Especially suitable for overhead and vertical applications
  • Good mechanical strengths
  • Excellent frost resistance
  • Applicable in layers up to 30 mm thickness
  • Noncorrosive, non- toxic
  • Suitable for wet spray application
  • Sulphate resistant
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Product Data Sheet Show all documents

Usage

Sika MonoTop®-612 PK is used for structural concrete repairs as well as general patching to concrete and mortars. Sika MonoTop®-612 PK is especially suited for overhead and vertical applications and is suitable for application by the wet-spray method.  

Advantages

  • Easy to use, just add water
  • Excellent workability
  • Adjustable consistency
  • Especially suitable for overhead and vertical applications
  • Good mechanical strengths
  • Excellent frost resistance
  • Applicable in layers up to 30 mm thickness
  • Noncorrosive, non- toxic
  • Suitable for wet spray application
  • Sulphate resistant

Packaging

25 kg bag

Colour

Grey powder

Product Details

Product Information

Chemical Base

Cementitious, polymer composition

Shelf Life

06 months from date of production

Storage Conditions

Store properly in undamaged original sealed packaging, in dry cool condition between +5 °C and +35 °C. Protect from direct sunlight, heat and moisture
Technical Information

Compressive Strength

40 – 50 N/mm2 (28 Days)

Application

Application Information

Mixing Ratio

Add 13 -16% water to the dry mix (3.25 - 4.0 litre of water per 25 kg bag)

Fresh mortar density

2.10 kg/ltr approximately

Layer Thickness

Minimum 5 mm
Maximum 30 mm

Pot Life

40 - 60 minutes
Application steps

SUBSTRATE PREPARATION

Substrate must be clean, sound, free from dust, loose particles, cement laitance, curing compounds, oil, grease or any other contamination. Metal surfaces (steel and iron) should be free from scale, rust, oil and grease. Pre-wet substrate to a saturated surface dry condition prior to application. Avoid puddles and standing water.

MIXING

Pour clean, cold water in the given quantity into a clean mixing container. Add powder while mixing continuously. Slow speed SS paddle mixer (maximum 500 rpm) should be used formixing (aluminum paddle is strongly not recommended). By adding the powder slowly in portions,the desired application consistency can be obtained.

 

APPLICATION

A bonding agent, such as Sika MonoTop-610 or SikaTop Armatec 110 EpoCem is highly recommended. Apply Sika MonoTop®-612 PK while the bonding agent is still wet. Sika MonoTop®-612 PK can be applied by wet-spray equipment such as Putzmeister, Melomat, Vario-Jet etc. The mortar can also be applied by spatula or trowel. For thickness greater than 30 mm Sika MonoTop®-612 PKSika MonoTop®-612 PK must be applied in several layers.As soon as the mortar has started to set it can be smoothed by wooden or synthetic float, styrofoam block or sponge. For a very fine surface finish, Sika MonoTop-620 / 625 can be applied over the Sika MonoTop®-612 PK.

CURING TREATMENT

Where ambient conditions may lead to rapid surface drying, the use of light water fogging for 48 hours or a suitable water based curing compound (Sika Antisol E) is recommended. Do not commence fogging until final set has been reached.

CLEANING OF TOOLS

Application and mixing tools should be cleaned with water immediately after use while the material is still fresh. Hardened material can only be removed mechanically.

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