Project Description

PAT test frame

Corrugated Fibreboard Pin Adhesion Attachment China Manufacturer

Pin Adhesion Test Fixture is an indispensable sample holder when measuring the force required to separate corrugated board between the flute tips of corrugated medium and its linerboard facings.

Determination of adhesion of the corrugated medium to its facings plays an essential role in judging the quality of corrugated boards and corrugated cartons. The ply adhesion test provides a means of evaluating the strength of the bond and is used to check some manufacturing defects, such as poor adhesive penetration, spotty adhesion and containerboard with low internal bond strength. This test has to be carried out using a compression testing machine.

The pin attachment consists of pressure attachment and support attachment, used to separate the respective adhered part of the test piece with an evenly distributed load. Further, the pin attachments consist of pin metal frames with firmly fixed cantilevered steel pins capable of being inserted into the center of flute space of the corrugated fibreboard easily at equal intervals and pin metal base plates supporting pin heads. The parallelism of pressure attachment and support attachment is not greater than 0.01 in inclination.

Test Standards

CNS-3327, TAPPI-T-820-OM, GB/T 6548, JIS-Z0402, GB/T 6544-2008, JIS Z1516: 2003

Main Technical Parameters

Model AT-P8004-FA AT-P8004-FC AT-P8004-FB AT-P8004-FE
Items A Flute C Flute B Flute E Flute
Pressure Pins Pin/Pcs 4 4 6 6
Effective Length of Pins (mm) 30 ± 1
Diameter of Pins (mm) 3.5 ± 0.1 3.0 ± 0.1 2.0 ± 0.1 1.0 ± 0.1
Support Pins Pin / Pcs 5 5 7 7
Effective Length of Pins (mm) 40 ± 1
Diameter of Pins (mm) 3.5 ± 0.1 3.0 ± 0.1 2.0 ± 0.1 1.0 ± 0.1
The effective length of the pin is the net length of the supporting pins or pressure pins when placed on the support frame.

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