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Metric O-Rings are employed in specialized applications and, like the name suggests, are standardized by metric dimensions. With a wide variety of sizes available, Metric O-Rings fill in the gaps left by the standardized AS568 o-ring chart. Metric O-Ring sizing is determined by the o-ring's inside diameter and cross section width. Perfluoroelastomer is also known as FKKM and Perfloro.

Parts resist over 1,800 different chemicals, while offering the high temperature stability of PTFE (327°C). They’re used in aggressive chemical processing, pharmaceutical, oil rcovery, gas recovery, and aerospace applications. The proven, long-term performance of Kalrez® parts can mean less repairs, seal changes, inspections and equipment uptime for greater productivity and yield. For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
Metric O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Reference

Cross Section Width

Durometer

Inside Diameter

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Quantity
10.82 X 1.78 KALREZ-90 N/A
157939 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A 13 N/A 1.78 mm N/A 90 N/A 10.82 mm N/A O-rings are used in the military, automotive,
100 X 1.5 KALREZ-70 N/A
157940 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.50 mm N/A 70 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 1.5 KALREZ-75 N/A
157941 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.50 mm N/A 75 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 1.5 KALREZ-90 N/A
157942 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 1.50 mm N/A 90 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 2 KALREZ-70 N/A
157943 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.00 mm N/A 70 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 2 KALREZ-75 N/A
157944 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.00 mm N/A 75 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 2 KALREZ-90 N/A
157945 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.00 mm N/A 90 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 2.5 KALREZ-70 N/A
157946 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 70 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 2.5 KALREZ-75 N/A
157947 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 75 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 2.5 KALREZ-90 N/A
157948 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 2.50 mm N/A 90 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 3 KALREZ-70 N/A
157949 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 70 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 3 KALREZ-75 N/A
157950 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 75 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 3 KALREZ-90 N/A
157951 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.00 mm N/A 90 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 3.5 KALREZ-70 N/A
157952 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 70 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 3.5 KALREZ-75 N/A
157953 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 75 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 3.5 KALREZ-90 N/A
157954 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.50 mm N/A 90 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 3.55 KALREZ-70 N/A
157955 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.55 mm N/A 70 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 3.55 KALREZ-75 N/A
157956 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.55 mm N/A 75 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 3.55 KALREZ-90 N/A
157957 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 3.55 mm N/A 90 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 4 KALREZ-70 N/A
157958 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.00 mm N/A 70 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 4 KALREZ-75 N/A
157959 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.00 mm N/A 75 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 4 KALREZ-90 N/A
157960 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.00 mm N/A 90 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 4.5 KALREZ-70 N/A
157961 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.50 mm N/A 70 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 4.5 KALREZ-75 N/A
157962 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.50 mm N/A 75 N/A 100.00 mm N/A O-rings are used in the military, automotive,
100 X 4.5 KALREZ-90 N/A
157963 		N/A Metric Standard O-Ring N/A Perfluoroelastomer N/A N/A 4.50 mm N/A 90 N/A 100.00 mm N/A O-rings are used in the military, automotive,
Unit of Measure
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