T 843 om-02 瓦楞原纸的瓦楞边压强度(刚性支撑法)【英文版】.pdf

T843om-02
OFFICIAL TEST METHOD-2002
02002 TAPP
The information and data contained in this document were prepared
by a technical committee of the Association. Ihc committec and the
Association assume no liability or responsibility in connection wi
the usc ol such inlormation or data, including but nol limited to any
liability under patent, copyright, or trade secrct laws. The uscr is
responsible for determining that this document is the most recent
edition publishe
CAUTION
This Test Mcthod may include safety precautions which are believed to be appropriate al the tim o publication o] the mcthod. Thc intent of thesc
is to alert the user of the mcthod to safety issues related to such use. The user is responsible for determining thal the sally preeautions are complete
and are appropriate to their usc of the method, and for ensuring that suilable safcty practices havc nol changed since publication o[ the mcthod. This
method may require the use, disposal, or both, of chemicals which may present serious health hazards to humans. Procedures for the handlin of
such substances arc ct forth on Matcrial Safety Data Sheets which must bc devcloped by all manufacturers and importers of potentially hazardous
chemicals and maintained by all distributors of potentially hazardous chemicals. Prior to thc use o! this mcthod, the user must determine whether
any of the chemicals to be used or disposed of are potentially hazardous and, if so, must follow strictly the procedures specified by both the
manufacturer, as well as local, state, and fedcral authorities for safe use and disposal of these chemicals
Fluted edge crush of corrugating medium
(rigid support method
1. Scope
1. I This test evaluates the ability of corrugating medium to contribute to the compression strength of a
corrugated box. It is a procedure for measuring the edgewise compression strength of a laboratory-fluted strip of
corrugating medium in a direction parallel to the fluted tips
2 Pluted edge crush is also measured in Tapptt824pluted edge crush of corrugating medium(flexibl
beam method), which uses a flexible beam compression machine instead of a rigid platen machine as used in this
procedure
2. Significance
This method offers an alternative to edge rigidity measured by the rin crush test in accordance with
TAPPI T 818"Ring Crush of Paperboard or the STFI test in accordance with TAPPI T 826"Short Span Compressive
Strength of Containerboard(withdrawn ) Test values for CFC, Ring Crush and ST FI are significantly different. Th
formulas used to predict combined board edge crush(ECT)from the edge rigidity are different for each of the three
measures of edge rigidity
2.2 Rigidity relates to the ed ewise compressive performance contribution of corrugating medium to the
short column strength of corrugated board. For this purpose, a fluted specimen of corrugating medium is tested in edge
crush; hence, this test is named the corrugated fluted crush test, cross direction(CFC
3. Apparatus
Medium flaer, in accordance with TAPPI T 809flat Crush of Corrugating Medium(CMT Test)
en culter in accordance with TAPPI T 809
3 Compression machine, having the following
3.1 A rigidly supported platen and a driven platen, each having a working area of approximately 100 cm
(about 15. 5 in ) The platens are