Calcium Carbonate

iD Additives is supplied by Heritage Plastics of the leading Calcium Carbonate Concentrate in the Plastics Industry. These products can be used in Blown Film, Blow Molding, Injection Molding, and Thermoforming.

Mineral based concentrates offer innovative and dynamic ways to work with plastics. More so today than ever before, they deliver affordable solutions to converters, improving performance and plant productivity, as well as helping to offset continually rising resin costs. Their application usage areas continue to broaden, not only in blown films, but tremendous growth in blow molding, sheet thermoforming, and injection molding. Over the past several years the quality of these minerals and concentrates has steadily improved, shifting their perception by the industry from simply “a filler” to what the processors now consider an essential performance additive, delivering performance, productivity and savings.

Calcium Carbonate Products


  • 80% of a 1 micron CaCO3 in LLDPE
  • Largest selling product for improving performance in polyolefins. Versatile enough to be used in a wide variety of applications


  • 80% of a 3 micron CaCO3 in LLDPE
  • Cost effective solution for general purpose applications


  • 85% loaded calcium