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High Efficiency Mould Releasing Agent

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Estop Estoform is specially blended with high efficient releasing properties. It is supplied in: –

  • Estoform WB – water based
  • Estoform OB – oil based


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


  • Ensure stain-free concrete
  • Water based is very suitable for timber moulds or formworks
  • Water based is most economical, which can be used with 5 parts of water
  • Oil based inhibits corrosion of steel formworks
  • Can be used on all types of formworks
  • Minimizes cleaning moulds or formworks

Standards Compliance

Physical Properties

Specific Gravity 0.9 at 25°C
Estoform WB
Estoform OB
Light amber
Pale straw
Service Temperature 70°C max
Non-staining Can be safely used with white cement

Estoform WB

The Estoform WB is water based, it is recommended to mix with clean water before application.

Estoform OB

The Estoform OB shall be used as supplied without adding in with any water or solvent.

Application Instructions

Preparation of new moulds

No surface preparation is required.

For Estoform WB, lower mixing ratio with water is recommended. Mixing ratio of 1 : 5 is optimum.

Preparation of used moulds

All adherent materials must be removed prior to use.


For Estoform WB, mix with water prior to application to timber formwork. The mixing ratio of Estoform WB to clean water shall be from 1:5. For application to steel formwork, the mixing ratio to water should be 1 : 2.


Use brush, sponge or conventional mould oil sprayer to apply Estoform WB and 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 moulds or formworks shall be clean before application of Estoform.


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

Packing & size

Estoform WB 210 litre drum
20 litre pail
Estoform OB 210 litre drum
20 litre pail


Estoform WB 13 to 26 m² /litre, depend on type and porosity of timber formwork used
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 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.


The flammability risk of Estoform is low. Adequate ventilation should be ensure when use. Do not use near naked fire or smoke during use.


Estoform 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.