Socal® and Winnofil® Ultrafine precipitated calcium carbonates product range
The Socal® and Winnofil® product range of ultrafine precipitated calcium carbonates (PCCs) present a variety of benefits in adhesives and sealants, ranging from rheology control, anti-sag and slump, improved adhesion, improved storage stability and enhanced mechanical properties.
Moisture-curing and non-moisture curing
When used in moisture and other curing systems, Socal® and Winnofil® ultrafine PCCs offer:
- Excellent thixotropy
- Outstanding extrusion rates
- Excellent mechanical properties
- Longer storage / shelf-life stability
- Improved smoothness and surface profile
- Enhanced whiteness and opacity
Socal® and Winnofil® are recommended for:
- High-performance silicone sealants
- Polyurethane sealants
- Medium-modulus hybrid polymer sealants
- Polysulfide systems
- PVC Plastisol
- Butyl sealant and tapes
Certain grades can also be suitable for use in:
- Hot-melt adhesives
- Bituminous membranes
- Sealant tapes/strips
- Cavity fillers for automotive
- Acrylic sealants
- Putties
- Mastics
The Socal® range is available in a range of particle sizes and surface coatings
We offer a full range of custom formulation and technical and process support services to help you match the right mineral grade to your application requirement.