At rubber cal we offer recycled rubber roll and sheets alongside with other natural and synthetic rubber products.
Process of making rubber sheets.
Finally the rubber is vulcanized cooked.
Recycling rubber is a process that brings along several opportunities for eco friendly change waste reduction and creative new rubber products made from reclaimed rubber.
Next the rubber is squashed into shape by rollers a process called calendering or squeezed through specially shaped holes to make hollow tubes a process known as extrusion.
This proves cost effective when you want to produce more material because of the longer lengths that are formed and more production capabilities.
Sulfur is added and the rubber is heated to about 140 c 280 f in an autoclave a kind of industrial pressure cooker.
Pour the rubber from above the container to avoid air bubbles.
In the calendering process fabric and rubber or plastic material is passed through a series of rollers to flatten smooth and commingle the two or more materials.
I hope all are watch and unde.
This will help eliminate air being trapped under or around your object which is one of the main concerns when making a rubber mold.
When pouring the liquid rubber over your object you want to hold the liquid high above the container and pour it in a thin stream.