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Standard

Polytetrafluoroethylene (PTFE) Moldings Premium Grade, As Sintered

2011-08-25
CURRENT
AMS3668E
This specification covers two types of virgin, unfilled polytetrafluoroethylene (PTFE) in the form of molded rods, tubes, and shapes. This specification does not apply to product over 12 inches (305 mm) in length, rods under 0.750 inch (19.05 mm) in diameter, and tubes having wall thickness under 0.500 inch (12.70 mm).
Standard

POLYTETRAFLUOROETHYLENE MOLDINGS Premium Grade, As Sintered

2011-08-09
HISTORICAL
AMS3668B
This specification covers one grade of polytetrafluoroethylene in the form of molded rods, tubes, and shapes. This specification does not apply to rods and tubes over 12 in. (300 mm) in dimension parallel to the direction of applied molding pressure, rods less than 0.750 in. (19 mm) in diameter, and tubes having wall thickness less than 0.500 in. (12.50 mm).
Standard

Polytetrafluoroethylene (PTFE) Moldings Premium Grade, As Sintered

2010-05-17
HISTORICAL
AMS3668D
This specification covers two types of virgin, unfilled polytetrafluoroethylene (PTFE) in the form of molded rods, tubes, and shapes. This specification does not apply to product over 12 inches (305 mm) in length, rods under 0.750 inch (19.05 mm) in diameter, and tubes having wall thickness under 0.500 inch (12.70 mm).
Standard

Polytetrafluoroethylene (PTFE) Moldings Premium Grade, As Sintered

2003-05-09
HISTORICAL
AMS3668C
This specification covers two types of virgin, unfilled polytetrafluoroethylene (PTFE) in the form of molded rods, tubes, and shapes. This specification does not apply to product over 12 inches (305 mm) in length, rods under 0.750 inch (19.05 mm) in diameter, and tubes having wall thickness under 0.500 inch (12.70 mm).
Standard

POLYTETRAFLUOROETHYLENE MOLDINGS Premium Grade, As Sintered

1976-07-01
HISTORICAL
AMS3668A
This specification covers one grade of polytetrafluoroethylene in the form of molded rods, tubes, and shapes. This specification does not apply to rods and tubes over 12 in. (305 mm) in dimension parallel to the direction of applied molding pressure, rods less than 0.750 in. (19.05 mm in diameter, and tubes having wall thickness less than 0.500 in. (12.70 mm).
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