Calcium Carbonate Type: heavy and light Appearance: powder or block Package: bag or as per your demand. Usage : Usually used as a filling material, is widely used in artificial floor tile, rubber, plastic, papermaking, coating, paint, printing ink, cable, food, medicine, feed, daily chemical and other industries as a filler. Contact person: Emma Du Market at hbleijie dot com Phone: +86-15511419711(WhatsApp) Skype: x-yan0516 want to learn more , pls leave message or sent email. I will reply you asap once received your inquires. Thanks !