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January 2013

Why Rubber Tubing Tolerances May Be Different Than Plastic/Rigid Tubing Tolerances


Why Dimensional Tolerances of Hygenic®, HYTONE™ and HYSYNAL® Rubber Tubing are Wider than Plastic/Rigid Tubing

Even though manufacturing tolerances of rubber tubing are wider than plastic/rigid tubing, rubber can provide product solutions not available in plastic or metal.

“Manufacturing Tolerance” is defined as the difference between the upper and lower limit dimensions of the part. It is usually expressed as a “plus” or “minus” which means the nominal dimension can vary within the “plus or minus” range. For instance, if the manufacturing tolerance on an Inside Diameter of rubber tubing is: 0.250 ID +/- .010, the actual Inside Diameter of the tubing can range from 0.240 to 0.260 and still be considered “in size”....