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  • current location:Home > Products > Solvent type external demoulding series
  • Durakote 677

      Brands:Durakote

      Types:

      Field of application:

      Introduction:Durakote 677 is designed to release all type of epoxy, phenolic, polyester (GRP) or vinly ester resins from steel, aluminium or composite moulds. Durakote 677 is an advanced polymeric resin in non-chlorinated organic solvent blend. Durakote 677 is applied by a simple wipe-on technique; there is no need for rubbing or polishing. The Durakote 677 is durable and capable of giving many releases per application. It will not contaminate the released surface.

      Product Benefits

      Physical Properties

      Easy ,fast application

      Non contaminating

      Non-chlorinated solvents

      Low odour

      High slip, easy release

      Multiple mould build-up

      Versatile, can be used on all mould surfaces

      Durable; provides multiple release per application

      Appearance          - Clear, colourless liquid

      Odour               - Hydrocarbon

      Specific Gravity        - 0.730 g/cc

      Flash Point            - <21

      Solvent              - Aliphatic hydrocarbon  

      Coverage             - 20-25 m2/L per coat

      Shelf Life              - One year

      Storage              - Flammable store(see MSDS)

       

      Note

      The polymeric resin used in Durakote 677 reacts with moisture. Please ensure can is resealed after use. Durakote 677 is supplied ready to use, no shaking or mixing is required. Do not mix with other products or solvents.

       

      Application

      Please read Safety Date Sheet before use.


      If a wax or silicone based release agent had been used previously, remove traces of wax using a solvent based cleaner such as Durakote PMC-600.Durakote 677 can be applied over existing semi-permanent release agents without a further cleaning step. However the mould should be clean and dry before use. Mould cleaning and release agent application should be performed in a well-ventilated area

       

      1.Apply Durakote 677 to clean, dry cotton cloth.

      2.Wipe wet cloth over mould surface covering an area of approximately 0.5 m2. Vigorous rubbing or polishing is not required..

      3.Repeat steps 1 and 2 on the adjacent area, frequently reapplying the product to the cloth. Ensure a good overlap with the previous area to provide complete coverage

      4.Repeat until mould is completely coated.

      5.When dry, allow a further 15 minutes between coats for the film to cure.

      6.Repeat step 1-5 above for a further 2 coats (3 in total)

      7.For new, porous or damaged moulds, apply an extra 1-2 coats of Duraktoe 677 in the manner described above.

      8.When dry, allow final film to cure for at least 30minutes at room temperature before moulding. Allowing a longer cure or 

      heat curing (e.g. 15 min at 60℃) will improve film durability.

      9.Confirm Durakote 677 film coverage using adhesive tape (e.g. masking tape should release easily form the coated mould)

       

      Reapplication:

      When the release becomes hesitant, reapply one coat of Durakote 677 in the same manner as described above.

       

      Please contact us for further product and application information.

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