Zigma International offers Highly Colloidal Clay Mineral. Zigma International is an ISO 9001:2000 accredited company. The Company also manufactures exports and supplies environmentally friendly functional fillers such as talc, metakaolin, barytes, fly ash, bentonite, zeotite [diatomaceous earth], etc. The Highly Colloidal Clay Mineral, also known as Bentonite, has multi-properties such as hydration, swelling, water absorption, viscosity, thixotropy which make it a multi-application product for diverse industries. The Highly Colloidal Clay Mineral has higher iron content and very fine particle size resulting in superior swelling capacity and bonding powers. The available varieties of Highly Colloidal Clay Mineral are sodium bentonite and calcium bentonite.