Used for testing the performance of various fabrics to prevent drilling or feathers from leakage between joints。

符合标准:

• Rotary box size: 450mm * 450mm * 450mm
• Rotary box speed :(20 ~ 60) R/min (positive and negative)
• The number of rotation setting :(1 ~ 9999) times

Silicone rubber special-shaped ball:

• Quantity: 16
• Shao Er hardness: (55 + 5)
• size: A quality: (23.75 + 0.5) g
• Upper circle ( φ 31 ± 2)mm × lower circle ( φ 37 ± 2)mm × height (22± 2)mm

Standards:

• • GB/T12705.2 GB/T14272-2021 Appendix D Small Box FTMS191A (with rubber ball)