CF-520 Gurley Stiffness Tester (American Standard)
The main purpose
Used to measure the bending resistance (stiffness) of paper, cardboard, fabric, non-woven fabric, artificial leather and other materials.
Technical index
1. Measuring range: 1.39 mg～56888 mg (Gurley stiffness unit)
2. Sample length: 25.4 mm (1 in.), 38.1 mm (1.5 in.), 63.5 mm (2.5 in.), 114.3 mm (4.5 in.)
3. Sample width: ≤50.8 mm (2 in.)
4. Sample clamp position (test length): 12.7 mm, 25.4 mm, 50.8 mm, 101.6 mm
5. Swing speed of sample frame: 2 r/min
6. Weights: 5g, 10g, 25g, 50g, 100g, 200g
7. The center distance of the weight slot: rl = 25.4mm, r2 = 50.8mm, r3 = 101.6mm
Applicable standards
— American Pulp and Paper Industry Technical Association TAPPI T543-2011"Bending Resistance of Paper (Gurley Stiffness Tester)"
— American Society for Testing and Materials ASTM D6125-97 "Bending Resistance of Paper and Board (Gurley Stiffness Tester)"
— American Association for Environmental Science and Technology IEST-RP-CC021.2 (2005) "HEPA and ULPA Filter Material Test"
— China Refrigeration and Air Conditioning Industry Association CRAA 433 "Air Filter Paper Performance Test Method"
Used to measure the bending resistance (stiffness) of paper, cardboard, fabric, non-woven fabric, artificial leather and other materials.
Technical index
1. Measuring range: 1.39 mg～56888 mg (Gurley stiffness unit)
2. Sample length: 25.4 mm (1 in.), 38.1 mm (1.5 in.), 63.5 mm (2.5 in.), 114.3 mm (4.5 in.)
3. Sample width: ≤50.8 mm (2 in.)
4. Sample clamp position (test length): 12.7 mm, 25.4 mm, 50.8 mm, 101.6 mm
5. Swing speed of sample frame: 2 r/min
6. Weights: 5g, 10g, 25g, 50g, 100g, 200g
7. The center distance of the weight slot: rl = 25.4mm, r2 = 50.8mm, r3 = 101.6mm
Applicable standards
— American Pulp and Paper Industry Technical Association TAPPI T543-2011"Bending Resistance of Paper (Gurley Stiffness Tester)"
— American Society for Testing and Materials ASTM D6125-97 "Bending Resistance of Paper and Board (Gurley Stiffness Tester)"
— American Association for Environmental Science and Technology IEST-RP-CC021.2 (2005) "HEPA and ULPA Filter Material Test"
— China Refrigeration and Air Conditioning Industry Association CRAA 433 "Air Filter Paper Performance Test Method"
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