The Mass Mixer is designed for efficient and homogenous mixing of dry and wet material and especially suitable for powder of Pharmaceuticals, Food, Herbals, Agro Chemicals & Chemicals. The mass mixer consists of a rigid fabricated structure motor, gear box, mixing drum, paddle type blades and tilting device. Specially designed sealing arrangement is provided to ensure that no black particle enters into the mixing drum. The material under mixing process can be monitoring through dust cover and its controls dusting and contaminations. The tilting device is provided to make easy the unloading of the material and easy cleaning of the mixing drum.