TAPPI T432 Water Absorbency of Paper

Testing Standard:

TAPPI T432 Water Absorbency of Bibulous Papers

Standard Number
TAPPI T432

Standard Title
Water Absorbency of Bibulous Papers, Test Method

Overview:

TAPPI T432 Test Method is used to evaluate the material’s rate of water absorption. This method applies to most bibulous materials such as tissues, towels, and blotter papers. Purple Diamond Testing offers TAPPI T432 Water Absorbency of Bibulous Papers as part of our packaging compliance and validation services.

Rationale:

TAPPI T432 – Water Absorbency of Bibulous Papers. The amount of moisture in paper materials affects the overall physical strength, porosity, and end useability. This method can be ideal when comparing different materials or verifying a material is within a specified range of acceptance. A set volume of water is applied to the material and the time it takes to be absorbed is recorded.

Key Points:

Related Standards:

Accreditations

Achieving ISO 17025 Accreditation is the pinnacle in third-party laboratory testing accreditation. It confirms that the facility has management, quality, and technical systems in place to ensure accurate and reliable analyses.
ISTA is revered as the certification standard for package testing for distribution. ISTA’s Testing Protocol remains a series of testing methodologies and standards well recognized within the packaging community.
A select few companies are authorized by PHMSA as an approved third-party packaging testing laboratory in accordance with Hazardous Materials Regulations, critical to ensuring safe transport of dangerous goods.

Affiliations

With over 12,000 standards globally, ASTM International’s fully transparent standards development enhances performance and confidence in consumer choices.
The Technical Association of Pulp and Paper Industry’s peer-reviewed standards improve production through operational methods and industry recognized best practices.

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