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Article details

Special requirements for paper tensile testing machines

Date: 22:00, December 22, 2021
Views: 595
Abstract:
Paper and paperboard test plays an important role in the pulp and paper industry because of its wide application demand. In printing, the tensile strength and elongation of both sliced paper and web must meet the requirements of customers. The tensile breaking strength, breaking load and elongation of paper and paperboard, including breaking strength, breaking length, tensile breaking load and crack resistance coefficient, are the main objects to be investigated. Paper tensile testing machine It is not very different from the general electronic universal tensile testing machine, but due to the unique properties of paper, Paper tensile testing machine There are two points to pay special attention to.  

1. The tensile strength of paper and paperboard is the key standard to measure its quality. because Paper tensile testing machine When applied to packaging, corrugated paperboard and paper towel, the paper must be able to fold freely and bear local tensile stress. Therefore, in the test, a small amount of stress is added to eliminate wrinkles after the sample is initially clamped by the upper chuck, and then the sample is pulled to fracture within the specified time.
2. For products such as paper towel and paper bag under stress after wetting, special fixture is required for this test.

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