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TAPPI - T 262 SP

Preparation of mechanical pulps for testing

active, Most Current
Organization: TAPPI
Publication Date: 1 January 2012
Status: active
Page Count: 3
scope:

This practice describes a procedure for the preparation of mechanical pulps prior to physical testing.

It is for use with pressure groundwood, refiner mechanical, chemimechanical, thermomechanical, and chemithermomechanical pulps. It may also be used on any pulp sample taken downstream of the refiners (i.e., screens, cleaners, reject refiners, etc.). The purpose of this practice is to remove latency (curl) from pulp fibers.

Hot disintegration of pulps containing lignin may lead to significant loss of brightness. Since brightness is not significantly changed by the presence of latency in the pulp, this procedure is not recommended for pulps that will be formed into brightness measuring sheets.

Document History

January 1, 2012
Preparation of mechanical pulps for testing
This practice describes a procedure for the preparation of mechanical pulps prior to physical testing. It is for use with pressure groundwood, refiner mechanical, chemimechanical, thermomechanical,...
T 262 SP
January 1, 2012
Preparation of mechanical pulps for testing
This practice describes a procedure for the preparation of mechanical pulps prior to physical testing. It is for use with pressure groundwood, refiner mechanical, chemimechanical, thermomechanical,...
January 1, 2012
Preparation of mechanical pulps for testing
This practice describes a procedure for the preparation of mechanical pulps prior to physical testing. It is for use with pressure groundwood, refiner mechanical, chemimechanical, thermomechanical,...
January 1, 2006
Preparation of Mechanical Pulps for Testing
A description is not available for this item.
January 1, 2002
Preparation of Mechanical Pulps for Testing
A description is not available for this item.
January 1, 1996
Preparation of Mechanical Pulps for Testing
A description is not available for this item.

References

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