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Polyurethane

Polyurethane tubing (TPU) is a flexible, very tough, abrasion and cut resistant plastic. It is available in natural (transparent amber cast), custom colors. It is available in hardnesses from flexible to semi-rigid.

There are two types of TPUs:
• Polyester based TPU - Better physical characteristics and resistant to fuels and oils.
• Polyether based TPU - Better for use with water or high humidity.

Our Polyurethane tubing is available in polyether and polyester, both with optimum abrasion resistance, high tensile strength and low-temperature flexibility. Neither contain plasticizers, so migration is not a problem. Polyester types give maximum abrasion resistance and good oil, solvent and grease resistance. Polyether is resistant to hydrolysis, fungus and weathering. Both materials meet FDA requirements.

Ether 75A & Ester 85A
Sizes Approx. Working
I.D. O.D. Wall lbs. / C' psi @ 70° F
(Ether/Ester)
1/16  1/8 1/32 .5 80/105
1/8 3/16  1/32 .8 50/70
1/4 1/16 1.9 80/110
3/16 1/4 1/32 1.1 40/55
5/16 1/16 2.6 65/85
1/4 5/16 1/32 1.4 30/50
3/8 1/16 3.2 55/75
7/16 3/32 5.3 70/95
1/2 1/8 7.7 85/110
5/16 7/16 1/16 3.9 50/65
9/16 1/8 9.0 75/100
3/8 1/2 1/16 4.5 40/55
9/16 3/32 7.2 55/75
5/8 1/8 10.3 70/90
7/16 5/8 3/32 8.2 50/65
1/2 5/8 1/16 5.8 30/40
3/4 1/8 12.9 55/75
5/8 13/16 3/32 11.1 35/50
7/8 1/8 15.4 45/60
3/4 1 1/8 18.0 40/55
7/8 1 1/8 1/8 20.6 35/45
1 1 1/4 1/8 23.2 30/40