Product: Twist-Off Crowns
Data sheet: Specifications July 2017 – CP QA RF-035
The specifications contained in this reference are the latest revision as per world class crown manufacturing standards.
Height
6.00 mm ± 0.15 mm
(USL = 6.15 mm) (USWL = 6.10 mm)
(LSL = 5.85 mm) (LSWL = 5.90 mm)
Internal Diameter
26.77 mm ± 0.15 mm
Outside Diameter
32.10 mm ± 0.20 mm
(USL = 32.30 mm) (USWL = 32.20 mm)
(LSL = 31.90 mm) (LSWL = 32.00 mm)
Skirt Angle: 15° ± 3°
Top Radius: 165 mm 0.6 mm
Corner Radius: 1.7 mm 0.1 mm
Corrugations: 21 equally spaced around circumference
Mass of crown: 2.12 g ± 0.30 g
Fresh torque: Not less than 1 Nm (Max. 2 – 3 Nm)
48-Hours torque: Not less than 0.5 Nm (Max. 1 – 2 Nm)
