Toll Free: 800.742.0155 | Tel: 704.321.0400 | Fax: 704.321.0420 | E-mail: info@lee-rubber.com
 
Note:  our minimum
purchase requirement
is 25 pounds.  Please
contact us for details.
How rubber bands are made
Step 1:
The rubber is formulated.  Combining the latex (except in latex-free applications) plus other additives achieves specific qualities for the end compound.  Compounds vary according to the desired properties for the rubber bands.
Step 2:
The rubber compound is processed through a machine called an "extruder" to form it into tube shape.  It's very similar to the way that manicotti noodles or other "hollow" pastas are made...only the end result is a lot chewier!
Step 3:
A round pipe or "mandrel" is placed into a length of the extruded tubing, and then it is subjected to heat in a pressurized steam autoclave. This pipe forms the round shape of the rubber band, and the heating process is referred to as "vulcanization."  Vulcanization causes a complex chemical change to occur in the rubber.  But in layman's terms, vulcanizing gives rubber its elasticity and other desirable properties so that it's useful.
Step 4:
The rubber sleeves are removed from the mandrel, and the vulcanized tubing is cut into "rings" using a high-speed cutter. These rings are "rubber bands."
Step 5:
The rubber bands are thoroughly washed and dried to remove chemicals used in the processing steps above.  After quality inspection, rubber bands are packed into bags or boxes for distribution.  Today, many rubber bands are also imprinted or receive other "secondary" operations to improve their utility.

Site Map | Company Info | Band Basics | Specific Band Types/ Applications | Technical Information
Contact Lee Rubber Products | Application Information Form | Send E-mail:  info@lee-rubber.com