English
Type BC / concave, cut - BC28J0650-PTB44
Type BC Back-up Rings have a concave cross section and are made from PTFE materials. The cut angle is either 30˚ or 45˚.The large contact surface protects the O-Ring against deformation in case of high pulsating pressures. Preferred for installations in a closed groove where uncut Back-up Rings are not suitable.
BU Concave cut ID:
TSS Article Number (3 to 9)28J0650
Signature StandardBC28J0650-PTB44
Type of Article0
Quality (10th Digit)-
Root Ring Inside Diameter65 mm
Compound codePTB44
Ring Diameter Inside65 mm
Root Ring Width2.80 mm
Article GroupBC
Ring Thickness1.20 mm
Ring Width2.80 mm
Root Ring Thickness1.20 mm
Material Information for the product(s) on this page
PTB44
Shore D Hardness:
60+/- 5
Specific Gravity:
3.05
Color:
Brown
Hardness Tolerance:
+/- 5
Material Type:
PTFE
Gravity Tolerance:
+/-0.07
Hardness unit:
Shore D
Minimum Temperature:
-200
Minimum Hardness:
60
Material:
PTB44
Gravity Unit:
g/cm³
Maximum Hardness:
60
Material Code Class:
Thermoplastic
Maximum Temperature:
260