Processing Crumb Rubber into Rubber Mats
There are various processes used to produce the rubber sheet from which mats are manufactured, such as the one below:
Mats from Crumb Rubber
When a tire is manufactured. part of the process includes vulcanization, which needs to be reversed before the rubber can be reused. The crumb rubber is therefore subjected to de-vulcanization.
In a typical de-vulcanizing processing technique, a reclaiming agent and oil are added to the crumb rubber, the solution being fed into a mixer. Here, the solution is subjected to high temperatures in the absence of oxygen and constantly stirred for about 8 hours.
Once de-vulcanized, the rubber solution is poured into a system of rollers where it is rolled into rubber sheets of various thickness and surface finishes.
In the production of mats, the sheets can be processed to give a smooth or rough pile finish, before being cut to the required size.
Both the smooth and piled rubber sheets can be punched to produce the efficient scraping qualities required for door-mats, and they can be embossed with colorful designs or company logos.