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MACSIL ( Silicone Based ) Spray Mould Release - 400ml

(Inc. 20% VAT)
(£12.50 Exc. VAT)
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100 in stock
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A sprayable silicone release agent, designed specifically for releasing polyurethanes, polyesters and epoxy resins.

Applications :

  • High Quality general purpose PU Moulding
  • Some Epoxy and polyester mouldings
  • Used where an excellent surface is required, e.g.. clear mouldings.
  • The aerosol can should be held 250 mm - 350mm away from the mould surface.
  • The can should be kept moving during the spraying otherwise patches of excess material will form.
  • If possible the spray should be kept perpendicular to the area being sprayed.
  • The application of a number of light coats is preferable to one heavy coat.
  • Light coats allow the solvent to dry more rapidly and improves the surface finish.
  • The application technique used will depend upon mould geometry.
  • Deep sections undercuts and recesses often lead to incomplete coverage by shadowing parts of the mould surface from the release agent spray, This may lead to difficulty in releasing the moulded parts.
  • A thin sprayed coat should dry within 2 minutes at 20C.
  • Higher mould temperatures and a current of air over the mould will lead to shorter drying times.
  • Casting onto release agent which has not fully dried may cause softening of the surface of the moulded part.
Technical & Safety Sheets

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