Low-Silicone Semi-Permanent Release Agent

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Key Features

  • Controlled low silicone for improved release ease and higher release count
  • 10–18 releases per application — higher than silicone-free grades
  • Surface silicone transfer below levels affecting 2K paint adhesion
  • Suitable for painted FRP parts not requiring structural adhesive bonding
  • Compatible with polyester, vinyl ester, and epoxy up to 150°C

This low-silicone semi-permanent release agent contains a controlled, minimal quantity of silicone as a lubrication aid, balanced with primary fluoropolymer release chemistry. It is positioned between full silicone-free products (for structural bonding applications) and conventional silicone-containing releases (for general FRP production). The low-silicone formulation provides marginally improved release ease and higher release count (10–18 per application) compared to completely silicone-free grades, while keeping surface silicone transfer below levels that would adversely affect painting with standard automotive or industrial 2K coatings. Suitable for production of FRP parts that will be painted but not structurally bonded. Not suitable for aerospace structural bond applications or any application where silicone on the part surface is prohibited by specification. Apply 3–5 coats by wipe-on/buff-off. Compatible with polyester, vinyl ester, and epoxy resins at temperatures up to 150°C.

Specifications

ParameterValue
TypeLow-silicone semi-permanent (fluoropolymer/silicone)
Shelf Life24 months
Coats (new mold)3–5
Max. Temperature150°C
Silicone ContentControlled low level
Surface After DemoldingPaintable (2K coatings), not for structural bond
Releases per Application10–18

Applications

FRP parts for automotive painting (non-structural bond)Industrial composite parts requiring paint finishMarine non-structural composite partsGeneral FRP production where higher release count is neededComposite enclosures and covers for painting

FAQ

Low-silicone releases transfer trace amounts of silicone to the part surface. For standard automotive and industrial 2K polyurethane or acrylic paints, the silicone level from this product is below the threshold that causes fish-eye or adhesion failure. However, if parts are to be bonded with structural adhesives before painting, use the fully silicone-free grade — even trace silicone can cause adhesive disbonding. Always perform a paint adhesion test (cross-cut test per ISO 2409) on a sample before committing to full production.

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