APPENDIX E: GLOSSARY (Con't)
Identification marks on component parts (tires, inner tubes, etc.) before
processing, during processing, and after completion.
Condition Readiness Codes (CRC) The same as Classification Codes. It's the status code in which items
are placed when received or inspected that identifies their state of repair.
The strands forming the plies in a tire.
Cords parting away from adjacent rubber compounds.
The maximum width of a tire.
The shoulder-to-shoulder distance measured along the buffed contour .
The time required at a specified temperature for a compound to reach
optimum physical properties .
A degree of cure less than the optimum, where the desired physical
properties have not been reached.
A defective cure that gives a pin hole appearance to rubber; caused by
insufficient mold pressure or volume of rubber .
A tacky rubber compound used for adhesion, undertread repair. and
Any noticeable change of form or shape.
Cord stock constructed of rayon, nylon, polyester, fiberglass. or wire and
used to make up the casing of pneumatic tires. Also used in section and
reinforcement repair patches .
Fabric degradation and resultant tire cord breakdown due to repeated
flexing. Caused by overload or underinflation.
A free-flowing rubber used under the tread when added thickness is
Film, Plastic (Polyethylene) Soft plastic film sheeting used as a protective backing for tread rubber
and tire repair materials.
Space between two adjacent tread ribs.
Cracking that occurs at the bottom of a tread groove.
In tires, any dimensional increase during service.
A bead deformed from its original shape to such an extent that inflation
of the tire will not restore it to its original configuration .
The tubeless tire inner surface used to form an airtight seal with the rim.