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Adhesives Ingredients
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Adhesives Ingredients
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Imerseal™ 50

Technical Datasheet | Supplied by Imerys
Imerseal™ 50 by Imerys is a fine ground coated calcium carbonate. It is used as a sole filler in low modulus silyl-terminated polyether sealants. It provides enhanced rheology, controlled moisture properties and increased sealant thixotropy & modulus. It is suitable for polysulfide, hot-melt adhesives, bituminous, polyurethane sealants for construction, silicone and hybrid polymer sealants. Imerseal™ 50 is recommended for PVC plastisols, sealant tapes/strips, cavity fillers for automotive, acrylic sealants, putties and mastics.
Imerseal™ 50
Technical Datasheet | Supplied by Imerys
Product Type
  • Fillers / Extenders > Calcium Carbonates > Calcium Carbonates, Ground
  • Rheology Modifiers / Viscosity Modifiers / Thickeners > Minerals > Precipitated Calcium Carbonates
Chemical Composition
Coated calcium carbonate
Physical Form
Product Status
Applications/ Recommended for
  • Adhesives > Hot-melts
  • Sealants > Putty
  • Sealants > Plastisol
  • Polymers > Silicones (Si)
  • Polymers > Polyurethanes
  • Polymers > Polychlorovinyls (PVC, PVDC)
  • Polymers > Acrylics & Acrylic Copolymers
  • Polymers > Polysulfides
  • Automotive
  • Buildings & constructions
  • Tapes

Imerseal™ 50 Properties


Value & Unit
Test Condition
Test Method
100% Modulus
0.4 MPa
Brightness Value
Hardness, Shore A

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