D 774/D 774M, An American National Standard Standard Test Method for Bursting Strength of Paper

ASTM D 774/D 774M,  

An American National Standard Standard Test Method for Bursting Strength of Paper

Bursting Strength of paper는 종이의 찢김을 시험하는 것이며 본 시험은

쉽고 저렴한 편입니다.

이 시험은 두께 0.6mm (0.025인치) 이내의 시편(종이)을 사용하여 30kPa 부터 1400kPa의 압력을 가하는 시험입니다.  

ASTM D 774/D 774M의 시험시료 규격은 최소 20개 X  64 mm X 64 mm (2.5 by 2.5 in.)입니다. 

1.1 This test method covers measurements of the bursting strength of paper and paper products occurring as single or laminated flat sheets not over 0.6 mm [0.025 in.] in thickness having a bursting strength of 30 kPa up to 1400 kPa [4 psi up to 200 psi]. 1.2 This test method is not intended for use in testing corrugated boxboard, liner board, or hardboards that tend to cut the thin rubber diaphragm. NOTE 1—Similar procedures for making bursting strength measurements are found in ISO 2758 and TAPPI 403. 1.3 The values stated in either SI units or in other units shall be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining values in any way. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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