62: Rhino Machines – Silica Plastic Blocks

Mindful Businesses
62: Rhino Machines - Silica Plastic Blocks

As we start building our sustainable house we look for sustainable alternatives for bricks or pavers  and other construction materials. Here is a very creative solution from India, made almost entirely of waste and 2.5 times stronger than regular brick! Let’s listen to the episode to find out more!  This episode is a re-air from June 21, 2022


When Manish Kothari, Managing Director of Rhino Machines and a second-generation entrepreneur involved in the casting and foundry industry in India, saw how dark, dusty and dangerous this industry was to the environment and the workers, he decided to do something about it. He is a social entrepreneur with a passion for innovation who decided to tackle the dust and sand waste that the foundry creates. He reached out to Shridhar Rao, a partner in the architect firm R + D studio to make a brick by combining the foundry dust with plastic to create the first Silica Plastic Block (SPB). The SPB tested 2.5 times stronger than regular brick and it was comparable in cost to the regular bricks in Indian metro cities. They have created a sustainable alternative to traditional brick.


Manish is adamant about not patenting his innovation and in fact, believes in assisting and sharing the know-how with other sustainable entrepreneurs. Learn more about these enterprising, creative and forward-thinking entrepreneurs on Mindful Businesses podcast.


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