Product Data Sheet Safety Data Sheet Show all documents
Sika® Separol® W-398 C

Sika® Separol® W-398 C

Formwork Release Agent - Concentrate

Sika® Separol® W-398 C is a concentrate emulsified blend of purified mineral oil and non-hazardous chemicals, specially formulated to produce release properties which are superior to those of conventional mould oils. Sika® Separol® W-398 C is supplied as a water soluble liquid prior to direct application on formwork. The chemically reactive components in Sika® Separol® W-398 C provide a slightly water repellent interface which protects formwork and ensures a uniform colour and texture in the cast concrete.

Sika® Separol® W-398 C provides the following properties :
  • Non-Hazardous, Non-Toxic
  • Non-Staining
  • Ensures high quality fair-faced concrete
  • Minimizes cleaning of shutters before use
  • Does not rust steel moulds or equipment
  • Can be used for all types of moulds and shutter faces
  • Suspension and sediment free
  • Job site mix
  • Cost effectiveness depends on suitable proportion
  • Over coat panting
Product Data Sheet Safety Data Sheet Show all documents

Usage

Sika® Separol® W-398 C provides clean and easy stripping of formwork particular on to steel and timber formwork.
Sika® Separol® W-398 C can be diluted with 5-9 parts of water content until homogeneous milky suit to actual condition prior to apply on formwork. In addition to prevent adhesion of concrete to formwork, Sika® Separol® W-398 C will allow air to escape from the interface during concrete placing and vibration. The release of air minimizes surface blemishes and blow holes resulting in a substantial reduction in remedial cost.  

Advantages

Sika® Separol® W-398 C provides the following properties :
  • Non-Hazardous, Non-Toxic
  • Non-Staining
  • Ensures high quality fair-faced concrete
  • Minimizes cleaning of shutters before use
  • Does not rust steel moulds or equipment
  • Can be used for all types of moulds and shutter faces
  • Suspension and sediment free
  • Job site mix
  • Cost effectiveness depends on suitable proportion
  • Over coat panting

Packaging

200 l/drum

Colour

Light Brown, Clear Liquid

Product Details

Product Information

Shelf life

2 years when unopened

Storage conditions

Protect from direct sunlight and rain

Density

0.870 + 0.10 kg/l at 25ºC

Application

Consumption

Consumption

Coverage rate is dependent upon the porosity of mould material and the degree of its cleanliness but is normally 20-25 m2/litre.
Application steps

APPLICATION

For new moulds, no preparation is necessary although untreated new timber may require more than one coat.
For used moulds, all traces of cement must be removed together with any surface deposits of previous oils, dust, etc.

Sika® Separol® W-398 C may be applied by brush or conventional mould oil sprayer. If a mould oil sprayer were used, it would be important that a fine nozzle is fitted as Sika® Separol® W-398 C should be applied in a light continuous film. If Sika® Separol® W-398 C were applied in excess, the material should be allowed to drain and then carefully removed from the bottom of the mould by means of sponge or cloth. The mould surface with this excess quantity could be brushed to have a uniform spread of film.

In case of formwork staying at opened air in hot climate, Sika® Separol® W-398 C can be mixed likely to concentration feature prior to use.

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