The search results of the 「Physical testing Internal bond」

2in the case / showing1-2 case
Internal bond tester
Physical testing / Internal bond
  • No.2085
  • [JIS]
  • [TAPPI]UM-403,T569
  • [ISO]
As higher operating speeds are enabled for presses and machine tools, higher quality is demanded for paper and paperboard used. Conventionally, as provided in the J.TAPPI and TAPPI UM standards, the Z-direction strength has been tested with a tensile or bursting tester that measures static strength. With that method, however, it is difficult to grasp behaviors of paper under actual operating conditions. This tester provides reliable information as a tester specialized in measurement of the following: bonding strength of coated paper, kraft paper and laminated paper, delamination resistance of paperboard, and film adhesion strength. This tester works as follows. A specimen with one-inch wide tape attached on both sides is placed on the specimen stage. An aluminum angle is fixed on the specimen. Then that specimen stage is fixed in a holder, and a hammer is struck from a horizontal position to impact on the aluminum angle. Part of the specimen should come off together with the aluminum angle. When the angle comes off, the energy loss of the hammer can be read on a scale.
Internal bond tester (digital type)
Physical testing / Internal bond
  • No.2085-D
  • [JIS]
  • [TAPPI]UM403,T569
  • [ISO]
Like the No.2085, this tester dynamically measures delamination strength of paper or paperboard. It is particularly useful for obtaining pre-production knowledge on paper behaviors under severe conditions typical of a high-speed offset press. This tester automatically reads swinging angles of the pendulum to display them digitally. Push button switches provide easy operation when starting the pendulum, making zero setting of rotating friction generated by the pendulum and setting a specimen in place.

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