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Estoform OB

High Efficient Mould Releasing Agent

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Estoform OB

High Efficient Mould Releasing Agent


Estoform OB is specially blended with high efficient releasing properties. It is oil based and supplied in a pale straw coloured liquid. Estoform OB shall be used as supplied without adding in with any water or solvent.


It is specially design to provide quick, clean and easy stripping of moulds and formworks.


  • Ensure stain-free concrete
  • Oil based inhibits corrosion of steel formworks
  • Can be used on all types of formworks
  • Minimizes cleaning moulds or formworks

Physical Properties

Specific Gravity at 25oC 0.9
Colour Pale straw
Service Temperature 70oC max


Application Instructions

Preparation of new moulds

No surface preparation is required.

Preparation of used moulds

All adherent materials must be removed prior to use. The moulds or formworks shall be clean before application of Estoform OB.


No mixing is required.


Use brush, sponge or conventional mould oil sprayer to apply Estoform OB. The correct nozzle size should be ensured, if a sprayer is used. Ponding or accumulation of excess mould oil should be avoided. It should be applied in a continuous even film.

If there is a delay period for more than 48 hours, the surface should be recoated. Non-absorbent surfaces shall be applied in a single layer only.


The spillages of Estoform OB should be absorbed into sand, earth or vermiculite and transfer to suitable container.

Packing & Size

Estoform OB 210 litre drum

                                       20 litre pail                                          



Estoform OB 20 to 60 m2 /litre, depend on type and

                                       porosity of steel mould used            


Technical Support

Estop offers a comprehensive range of high performance, high quality of repair product for both new and existing concrete surfaces. In addition, the company offers a technical support package to specifies, end-users and contractors, as well as on- site technical assistance.


Estoform OB should be stored on pallets under dry conditions in original un-open drum. Under these conditions the product will have a shelf life of 12 months.

If stored in extreme heat locations the shelf life may be reduced


Estoform OB is flammable. Adequate ventilation should be ensure when use. Do not use near naked fire or smoke during use.


Estoform OB should not be swallowed and avoid to be in contact with skin or eyes. Wear gloves and goggles for protection. If swallowed, seek medical attention immediately

Do not induce vomiting.

Additional Information

Estop manufactures and offers a wide range of complementary products which includes waterstops, waterproofing products, grouts, anchors, specialized flooring products. In addition, a wide range of products formulated for repair and refurbishment of spalled concrete are available.