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Natural Rubber Latex Tubing Specification Sheet
Strong Alkalies - Fair
Weak Alkalies - Good
Strong Acids - Poor
Weak Acids - Good
Petroleum - Poor
Tensile Strength (psi) - 3500 min.
Ultimate Elongation - 750% min.
Hardness (Shore A) - 35 +/- 5
100% Modulus (psi) - 125 max.
Specific Gravity - 0.97 max.
Low Temperature Flex:
Brittle: -67 degrees F
Flexible: 0 degrees F
Steam Autoclave 30 minutes @ 15 psi
Protein in Natural Rubber:
Less than 50 micrograms/gram. Fifty ug/g is detection limit of ASTM D5712-95.
Maximum Recommended Operating Temperature:
212 degrees F intermittent
158 degrees F continuous
- +/-0.015 inch on sizes up to 3/8 inch, proportionately greater on larger sizes.
- 1/32 inch and 3/64 inch +/- 0.007 inch
- 1/16 inch and 5/64 inch +/- 0.010 inch
- 3/32 inch and 1/8 inch +/- 0.015 inch
- Wall thickness greater than 1/8 inch are gauged on the outside diameter tolerance.
Natural Rubber Latex Tubing meets or exceeds the physical properties of Commercial Item Description A-A-50247C Type I Class 1,2, and 3, Type III, Type IV, and Type V Class 1,2, and 3 which replaced Federal Specification ZZ-T-831D. Tubing is in compliance with USP Biological Classification IV.
We support the world-wide goal to eliminate the use of ozone depleting chemicals. We do not knowingly use a Class I or class II ozone depleting chemical as identified in the U.S. Clean Air Amendments of 1990 in the manufacturing process of our natural rubber latex tubing.
CT®, (and the CT logo), FLARE-LOK®,
UNIHOSE®, SAFETY PORT®,
EXHAUST-AWAY®, and CYCLOVAC®
are registered trademarks of Crushproof Tubing Co. in the United States and
other countries and are being used with permission.
Leaders in the
industry since 1943