Extenders are typically white to off-white powders or granules used in the plastics industry to reduce costs and enhance material properties. These materials function by replacing a portion of the polymer resin with less expensive substances, without significantly compromising the overall performance. Key features of extenders include their ability to improve mechanical strength, thermal stability, and processing characteristics. Used in packaging, automotive, and construction industries.
Alternatives to traditional extenders include bio-based fillers, which are gaining popularity due to their sustainability and reduced environmental impact. Sub-types include calcium carbonate, talc, and silica.
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Barium sulfate. Acts as an extender pigment. It is designed to increase the efficiency of titanium dioxide. It features controlled particle size, high specific gravity, chemical inertness as well as high whiteness and brightness. Bartex® 65 builds weight in the product at low cost and functions in relation to the performance of prime pigments in many areas of end use. Possesses increased gloss, more developed hiding, stiffening effect as well as improved/maintained physical properties. It disperses easily as well as increases specific gravity, frictional resistance, chemical resistance, and X-ray opaqueness in most systems. Has higher absorption capacities, absorbs more plasticizer in polyvinyl compounds. It promotes faster cure in polyester resins and offers high density in polyurethane foams with higher load bearing properties, improved processing, and sound suppression. Used in rubber applications i.e. floor mats, foam and carpet backing. Can also be used in bowling balls, paper casting, brake linings, traffic cones & toys. It is suitable for most uses.
Barium sulfate. Acts as an extender pigment. It is designed to increase the efficiency of titanium dioxide. It features controlled particle size, high specific gravity, chemical inertness as well as high whiteness and brightness. Bartex® 10 builds weight in the product at low cost and functions in relation to the performance of prime pigments in many areas of end use. Possesses increased gloss, more developed hiding, stiffening effect as well as improved/maintained physical properties. It disperses easily as well as increases specific gravity, frictional resistance, chemical resistance, and X-ray opaqueness in most systems. Has higher absorption capacities, absorbs more plasticizer in polyvinyl compounds. It promotes faster cure in polyester resins and offers high density in polyurethane foams with higher load bearing properties, improved processing, and sound suppression. Used in rubber applications i.e. floor mats, foam and carpet backing. Can also be used in bowling balls, blown films, paper casting, brake linings, traffic cones & toys. It is ideal for high gloss applications.
Barium sulfate. Acts as an extender pigment. It is designed to increase the efficiency of titanium dioxide. It features controlled particle size, high specific gravity, chemical inertness as well as high whiteness and brightness. Bartex® 80 builds weight in the product at low cost and functions in relation to the performance of prime pigments in many areas of end use. Possesses increased gloss, more developed hiding, stiffening effect as well as improved/maintained physical properties. It disperses easily as well as increases specific gravity, frictional resistance, chemical resistance, and X-ray opaqueness in most systems. Has higher absorption capacities, absorbs more plasticizer in polyvinyl compounds. It promotes faster cure in polyester resins and offers high density in polyurethane foams with higher load bearing properties, improved processing, and sound suppression. Used in rubber applications i.e. floor mats, foam and carpet backing. Can also be used in bowling balls, paper casting, brake linings, traffic cones & toys. It is suitable in cost sensitive applications where gloss is not a factor.
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