Product Data Sheet Show all documents

Sikadur® PF

EPOXY RESIN PORE SEALING AND SMOOTHING PUTTY

Sikadur® PF is a moisture tolerant, thixotropic, 2-component repair putty, based on a combination of epoxy resins and special selected high strength fillers.  Suitable for use in hot and tropical conditions.

Sikadur® PF has the following advantages:
  • Easy to mix and apply
  • High strength surface repair material
  • Very good adhesion to most construction materials
  • High strength adhesive
  • Thixotropic: non-sag in vertical and overhead applications
  • Non-shrink
  • Different coloured components (for mixing control)
  • No primer needed
  • Excellent mechanical strength
  • Impermeable to liquids and water vapour
  • Good chemical resistance
  • Suitable for dry and damp surfaces
  • Cost effective; consumption of subsequent coatings is reduced
  • Excellent adhesion to concrete substrates
  • Good abrasion and impact resistance
Product Data Sheet Show all documents

Usage

  • Concrete minor repairs such as honeycombing, blow holes, pin holes, etc.
  • General smoothing / re-profiling over large areas
  • Suitable for feather edge
  • Filling pinholes and surface sealing prior to overcoating with Sikafloor®, Sikadur® and Sikagard® product range
  • Filling of non structural cracks, holes and voids 
  • Corners and joints edges repair
 

Advantages

Sikadur® PF has the following advantages:
  • Easy to mix and apply
  • High strength surface repair material
  • Very good adhesion to most construction materials
  • High strength adhesive
  • Thixotropic: non-sag in vertical and overhead applications
  • Non-shrink
  • Different coloured components (for mixing control)
  • No primer needed
  • Excellent mechanical strength
  • Impermeable to liquids and water vapour
  • Good chemical resistance
  • Suitable for dry and damp surfaces
  • Cost effective; consumption of subsequent coatings is reduced
  • Excellent adhesion to concrete substrates
  • Good abrasion and impact resistance

Packaging

Part A: 4 kg container

Part B: 2 kg container

(A + B) 6 kg ready to mix units

Colour

Light Grey (Mixed A + B)

Component A: White

Component B: Black

Product Details

Product Information

Composition

Epoxy resin and special fillers

Shelf life

24 months from date of production

Storage conditions

Store in original, unopened, sealed and undamaged packaging in dry condition at temperatures between +5 °C and +30 °C. Protect from direct sun light and moisture.

Density

~1.75 kg/l (mixed resin at +23 °C)

 
Technical Information

Shore D Hardness

~75 (7 days, +25 °C)

(ASTM D2240)

Compressive strength

+25 °C

1 Day

 7 Days

14 Days

≥ 35 N/mm2

≥ 45 N/mm2

≥ 60 N/mm2 

Tensile adhesion strength

> 3.0 N/mm2 (concrete failure)

(ASTM D4541)

Water absorption

~0.01%

(ASTM C413)

Application

Application Information

Mixing ratio

Component A : Comp. B = 2 : 1 (by weight and volume)

Layer thickness

Maximum 3 mm in one single layer

Ambient air temperature

 +5 °C min. / +45 °C max.

Dew point

Beware of condensation.

Substrate temperature during application must be at least 3 °C above dew point.

Substrate temperature

 +5 °C min. / +45 °C max.

Pot Life

~45 min. (+25 °C)

*200 g

The potlife begins when the resin and hardener are mixed. It is shorter at high temperatures and longer at low temperatures. The greater the quantity mixed, the shorter the potlife. To obtain longer workability at high temperatures, the mixed adhesive may be divided into portions. Another method is to chill components A and B before mixing them (not below +5 °C).

Curing time

Sikadur® PF can be over coated with various Sikafloor®, Sikadur® and Sikagard® resins after 12 hours and not later than 24 hours at +30 °C.

Sikadur® PF is fully cured after 7-14 days, depending of ambient temperature.
Consumption

Consumption

~1.80 kg / m2 / mm

This figure is theoretical and does not include for any additional material required due to surface porosity, surface profile, variations in level or wastage etc.
Application steps

SUBSTRATE QUALITY

  • The substrate must be sound and of sufficient compressive strength (minimum 25 N/mm2) with a minimum pull off strength of 1.5 N/mm2.
  • The substrate must be clean and free of all contaminants such as dirt, oil, grease, coatings and surface treatments, etc..
  • Concrete substrates must be prepared mechanically using abrasive blast cleaning or scarifying equipment to remove cement laitance and achieve an open textured surface.
  • Weak concrete must be removed and surface defects such as blow holes and voids must be fully exposed.
  • All dust, loose and friable material must be completely removed from all surfaces before application of the product, preferably by brush or vacuum.

MIXING

Mix components (A and B) together for at least 3 minutes with a mixing paddle attached to a slow speed electric drill (maximum 400 rpm) until the material becomes smooth in consistency and an even in colour of the mixture is obtained. Avoid aeration while mixing. Sikadur® PF is supplied ready for use and only has to be thoroughly stirred.

APPLICATION

Ensure that the epoxy is forced well into the repair surface. Once the repair has been completed the surface can be finished with a steel float or trowel to achieve the desired effect. For corner repairs, it may be necessary to install formwork to one side of the void for easier application.

CLEANING OF EQUIPMENT

Clean all tools and application equipment with Sika® Colma Cleaner immediately after use. Hardened / cured material can only be removed by mechanical means.  

 

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