RB-MW Water dispersible chemical release agent

DESCRIPTION

A ready to use water dispersible, safe, effective release agent which is friendly to the environment. RB-MW is applied to mould and shutter faces prior to casting concrete in order to achieve a clean release. After removal of the formwork, the resultant concrete has a smooth, hard, uniform finish, with reduced incidence of blow holes. RB-MW can be diluted 1 to 1 by water and applied to the formwork by spray in the form of a light uniform mist coating.

APPLICATION FIELDS

RB-MW is formulated for application to plywood, timber, steel and plastic faced formwork and moulds, prior to casting concrete, to ensure a clean release.

FEATURES

A chemically active release agent blended with water.

PACKAGING

RB-MW is available in 220 kg drums and 25 kg gallons.

TECHNICAL SPECIFICATIONS

 

 

Physical state: Liquid

Color: Amber

SG finished product: 0.85 –0.87 at 25°C

Chloride content: Nil

DIRECTION FOR USE

 

Apply before the first casting and thereafter re-apply immediately after stripping and cleaning the mould. Lightweight horticultural sprayers are ideal as RB-MW is finely atomized to give a uniform coating. Excessive application should be avoided. Alternatively, application may be made by a fine haired brush, only a very thin coating should be made and any excess removed.

If after the first application, the RB-MW is completely absorbed into new timber or plywood, a further application should be made before filling the moulds or formwork.

Action:

RB-MW reacts chemically with cement to impart excellent release properties to treated surfaces. Concrete cast against surfaces coated with RB-MW exhibit a smooth, hard, uniform finish.

RB-MW has no negative effect on the properties of concrete nor will it impair the adhesion of subsequent surface treatments when applied at the recommended coverage rates.

Coverage:

The coverage rate for RB-MW is between 30 to 40 m²/liter when spray applied depending on smoothness and porosity of the formwork used. Coverage is considerably enhanced on marine ply and steel faced forms.

Note:

Progressively better results are obtained on plywood and timber moulds as they become impregnated and the operatives become accustomed to working with the release agent. RB-MW in general, may be used over timber moulds etc., which have been treated with other mould oils, providing excess has been removed.

STORAGE

Store under cover, out of direct sunlight and protect from extremes of temperature. Storage life up to 1 year when stored in unopened containers as above. The product must be stirred before being used.

SAFETY

As with all chemical products care should be taken during use and storage to avoid contact with eyes and mouth. Treat splashes to eyes and skin immediately. If accidentally ingested, seek immediate medical attention. Reseal containers after use.

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