Fillers / Extenders for Adhesives and Sealants

Socal® 312 by Imerys is an ultrafine, coated, surface treated precipitated calcium carbonate. It acts as a reinforcing agent & flow aid.

• It gives excellent control over rheological properties such as yield value, viscosity and anti-slump behavior.
• It confers the right balance of extrusion rate and mechanical properties.
• It provides short dispersion times at high loading levels.
• Socal® 312 improves processing properties and offers enhanced tensile strength, storage stability, multi-substrate adhesion and stone chipping resistance.
• It can improve physical properties and limit compaction problems of powders.
• It is recommended for plastisols, caulks, adhesives and automotive application.
• It is suitable for 1- and 2-component silicone sealant formulations.

Socal® U1S2 by Imerys is an ultrafine, white and odorless coated precipitated calcium carbonate grade. It possesses a very high fineness, roundeal regular crystals and an organic surface treatment. It is used in sealants and adhesives based on polysulfide, polyurethane and silicon. Socal® U1S2 provides rheological control and good slump resistance.

Winnofil® SPT by Imerys is an ultrafine, surface treated precipitated calcium carbonate. It acts as a reinforcing agent.

• It gives excellent control of rheological properties like yield value, viscosity and anti-slump behavior.
• It contributes to improved physical properties.
• Winnofil® SPT is used in a variety of different sealants, caulks and plastisols applications.
• It is suitable for bonding applications such as structural adhesives.

PolCarb™ 60 by Imerys is a high purity, cost-effective, uncoated ground calcium carbonate produced from high quality chalk.

• It offers higher loading for a given viscosity and better storage stability.
• PolCarb™ 60 provides improved dispersion, reduced sedimentation, good wet-tack and anti-shear shifting.
• It is recommended for natural- and soluble polymer waterborne adhesives.
• It is suitable for dextrin- & polyvinyl alcohol adhesives.

Polcarb™ 60S by Imerys is a fine ground calcium carbonate for solvent-based adhesives. It improves rheological properties and reduces water or volatile content of the compound. It is used in polysulfide, hot-melt, bituminous, polyurethane sealants for construction and silicone & hybrid polymer sealants. Polcarb™ 60S is suitable for use in PVC plastisols, tapes/strips, cavity fillers for automotive, acrylic sealants, putties and mastics.

Winnofil® SPM by Imerys is an ultrafine, surface treated precipitated calcium carbonate. It acts as a reinforcing agent.

• It is a very fine, white and odorless powder with a unique crystal size and shape.
• It gives excellent rheological properties like anti-slump behavior and good control over yield value and viscosity.
• Winnofil® SPM contributes to improved physical properties.
• It is recommended for plastisols, caulks & mastics, elastomers, and sealants & adhesives.

Argirec™ B24 by Imerys is a sedimentary kaolinite. It offers good viscosity stability over time and color match for the test liner substrate. It is recommended for lamination & water-based adhesive.

Socal® 31 by Imerys is an ultrafine, precipitated calcium carbonate. It acts as a reinforcing agent.

• It gives excellent control over rheological properties such as yield value, viscosity and anti-slump behavior.
• Socal® 31 offers enhanced multi-substrate adhesion and stone chipping resistance.
• It contributes to improved physical properties.
• It is recommended for plastisols, sealants, caulks & adhesives that are used in automotive applications.
• It is suitable for water-based formulations.

Omyabond 120 by Omya is a low-moisture, ultrafine, natural calcium carbonate filler designed for reactive adhesives and sealants. It is a treated mineral with a high surface area. It can be used as a single component to provide a typical rheological modifier profile combined with true reinforcing properties without compromising on moisture content and moisture pick-up. Shows sag resistance, good extrusion rate, good adhesion, higher strength, elongation, good mechanical performance, elastic recovery, and good workability. Provides low energy intensity and easy-to-disperse, cost-effective grade with low polymer content. Omyabond 120 allows moisture scavenging, process savings to avoid pre-drying and higher machine productivity. It is recommended for use in SMP (Silyl Modified Polymer) systems. It enables formulation of sealants that meet the relevant ISO standards while reducing polymer content and without impacting processing.

Socal® 322 by Imerys is an ultrafine, precipitated calcium carbonate. It acts as a reinforcing agent.

• It gives excellent control of rheological properties like yield value, viscosity and anti-slump behavior.
• It contributes to improved physical properties.
• It is used in a variety of adhesives, caulks and plastisols.
• Socal® 322 is recommended for 1- and 2-component silicone sealant formulations.