Tinna has pioneered the concept of Rubberised Bitumen in India and has laid 48 test tracks across India in 1998. Tinna is the largest producer of CRM (Crumb Rubber Modifier) which had been used to build 2 lac lane kilometers of roads across the nation.
Crumb Rubber Modifier (CRM) is blend of waste tyre Rubber Powder, Hydrocarbons and Crosslinkers.
The Crumb Rubber and Cross linkers have been designed to rapidly blend in to Bitumen
The Rubber gives the additional bindings strength & increased elasticity.
Hydrocarbon & Crosslinkers dissolves into the bitumen & helps in improving the softening values & water repellent properties.
Recommended Dosage : 12% to 15% to be blended with virgin petroleum bitumen.