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Semipermanent Mould Release Agents

To facilitate the easy removal of cured rubber articles from the mould, the use of an effective release agent is imperative. Applied undiluted onto a hot clean mould surface free of oils/greases, our Struktol semi-permanent release agents provide an ideal production facilitator by forming a cross-linked durable coating on a mould's surface, greatly improving the manufacturing ease and economics of rubber moulding and providing the following benefits:

  • Excellent release properties and quick and easy de-moulding
  • Semi-Permanent and effective for multiple moulding cycles
  • Increased wall slippage and Improved mould flow
  • Reduced mould fouling
  • Less time wasted for mould cleaning
  • Reduced Mould Defects
Struktol® Permalease 10
  • Reactive prepolymers dissolved in hydrocarbons (contains no fluorochlorohydrocarbons)

Product form available:
Spray can: 276 g
(box with 12 cans)
Can: 3,85 kg
Drum: 150 kg

  • Suitable for all kinds of rubbers except VMQ rubber
  • After application, the release coating must be cross-linked for 10 to 15 minutes at a minimum temperature of 160 °C
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Struktol® Permalease 20
  • Reactive prepolymers dissolved in hydrocarbons (contains no fluorochlorohydrocarbons)

Product form available:
Spray can: 268 ml
(box with 12 cans)
Can: 3,85 kg
Drum: 150 kg

  • Suitable especially for complicated, textured or porous moulds and for all kinds of rubbers except VMQ rubber
  • After application, the release coating must be cross-linked for 10 to 15 minutes at a minimum temperature of 160°C.
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Struktol® Permalease 95
  •  Water based emulsion of reactive prepolymers
  • instant curing

Product form available:
Can: 5 kg or 25 kg
Drum: 200 kg

  • Simply spray and go, instant curing
  • Suitable for all kinds of mould materials and all kinds of rubbers
  • It provides a very long lasting film and excellent release properties (mostly favourable to Permalease 90 related to film lasting  properties)
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Struktol® Permalease 90
  • Water based emulsion of reactive prepolymers
  • instant curing

Product form available:
Spray can: 400 ml, 220 g active content
(box with 12 cans)
Can: 5 kg or 25 kg
Drum: 200 kg

  • Simply spray and go, instant curing
  • Suitable for all kinds of mould materials and all kinds of rubbers
  • Gives excellent release properties and provides excellent film life
  • Instant curong above 130 °C mould temperature
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Struktol® Permalease 80
  • Water based emulsion of reactive prepolymers

Product form available:
Can: 5 kg or 25 kg
Drum: 200 kg

  • Suitable for all kinds of mould and all kinds of rubbers
  • Gives excellent release properties
  • After application, the release coating must be cross-linked for 8 to 10 minutes at a minimum temperature of 140 °C
Download PDF
Struktol® Permalease 120
  • Water-based emulsion of reactive prepolymers

Product form available:
Can: 5 kg or 25 kg
Drum: 200 kg

  • Suitable for all kinds of moulds and all kinds of rubbers
  • Gives excellent release properties
  • After application, the release coating must be cross-linked for 8 to 10 minutes at a minimum temperature of 140 °C.
Struktol® Permalease 70
  • Water based emulsion of reactive prepolymers

Product form available:
Can: 5 kg or 25 kg
Drum: 200 kg

  • Suitable for all kinds of mould and all kinds of rubbers
  • Gives excellent release properties
  • After application, the release coating must be cross-linked for 10 to 15 minutes at a minimum temperature of 160 °C.
Download PDF

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