Scope of Application
【Operating Instructions】
Applicable Scope:
Used to test the ability of various fabrics (used as linings or outer shells for down products) to prevent down or feathers from leaking through the gaps between yarns.
Compliance Standards:
GB/T 14272-2021, QB/T 1193.4.6, GB/T 12705.2 (Textiles - Test methods for resistance to down penetration), FZ/T 73053
Technical Parameters:
Small Chamber:
Chamber Dimensions: 450 × 450 × 450 mm (Small Rotating Box) / 600 × 600 × 600 mm (Large Rotating Box)
Rotation Speed: (45 ± 1) r/min (Forward and Reverse)
Rotation Count: 1 - 9999 cycles
Precision: 0.01
Brush Width: Between 45 - 65 mm
Rubber Balls: 16 pcs/box; Hardness: (55 ± 5) A; Weight: (23.75 ± 1) g; Material: Nitrile Rubber (NBR)
Power Supply: AC 220V ± 10%, 50Hz, 200W
Large Chamber:
Chamber Dimensions: 600 × 600 × 600 mm
Rotation Speed: (42 ± 1) r/min (Forward and Reverse)
Rotation Count: 1 - 9999 cycles
Precision: 0.01
Brush Width: Between 45 - 65 mm
Rubber Balls: 24 pcs/box; Hardness: (55 ± 5) A; Weight: (23.75 ± 1) g; Material: Nitrile Rubber (NBR)
Power Supply: AC 220V ± 10%, 50Hz, 200W