About RBI Grade 81

RBI Grade-81 is a cost-effective, environmentally friendly technological breakthrough in soil stabilisation, waste binding and pavement layer design for road and highway building contractors and developers. RBI Grade-81 is a unique and highly effective natural inorganic soil stabiliser for infrastructure development and repair.

RBI Grade-81 is environmentally friendly and emphasises the use of recycled material, recognising the lack of readily available resources. It reduces the Carbon Footprint of any project by reducing transportation requirements and carbon emissions. This makes it eligible for Carbon Credits in the environment friendly sensitive global marketplace.

At the start of 1990’s RBI Grade-81 was originally developed by RBI for the South African Army for use in pavement engineering applications

RBI Grade-81 is a natural inorganic soil-stabiliser, which re-engineers & modifies the properties of soil to strengthen it for roads, pavements and highways. NEED Infrastructure is the exclusive manufacturer and distributor of RBI Grade-81 in Sri Lanka

RBI Grade-81 is patented worldwide 

Key Properties of RBI Grade-81

• Powder stabiliser
• Grey in colour
• Water solubility of 0.2/1000
• Non-inflammable