Sika Rugasol MH Extra Surface Retarder 20ltr

 

CONCRETE SURFACE RETARDER FOR CONSTRUCTION JOINTS

DESCRIPTION

Sika® Rugasol® MH Extra has been specifically designed and formulated for obtaining a clean exposed aggregate finish at the face of construction joints where concrete with strengths in excess of 20 MPa are used. (For concrete strengths less than 20 MPa, use Sika® Rugasol MH.)

Sika® Rugasol® MH Extra is applied directly to steel or timber formwork prior to the placement of concrete to achieve a clean and uniform depth of aggregate exposure. Sika® Rugasol® MH Extra retards the setting process of cement on the surface of concrete in contact with the treated formwork to a depth of approx. 3 – 5 mm.

USES

Sika® Rugasol® MH Extra is used to achieve an excellent ‘keyed’ surface on vertical construction joints where positive bonding is required between existing and newly poured concrete

 

It can also be used to achieve decorative architectural finishes on concrete with strengths above 20 MPa.

 

CHARACTERISTICS / ADVANTAGES

Using Sika® Rugasol® MH Extra to obtain a mechanical key at construction joints eliminates the costly expense of bush hammering, scabbling or sandblasting

 

Aggregate exposed using Sika® Rugasol® MH Extra remains unbroken and firmly embedded in the concrete, ensuring that a strong bond is achieved at the construction joint between existing and new concrete.

 

PRODUCT INFORMATION

Chemical Base Solvent based emulsion

Packaging 20 litre non returnable containers

Appearance / Colour Dark pink emulsion

Shelf Life Twelve (12) months when stored as stated.

CODE: N30450404

(N30450404)

SKU N30450404
Brand Sika

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