Bentonit mangrupa aluminium phyllosilicate liat absorbent diwangun lolobana montmorillonite. Jenis bentonit anu béda-béda dingaranan masing-masing unsur anu dominan, sapertos kalium (K), natrium (Na), kalsium (Ca), sareng aluminium (Al). Perusahaan kami utamina nyayogikeun natrium bentonit alami.