What is absorbent lining paper? What performance is tested?
Absorbent lining paper is a kind of padding material used to absorb and retain liquid. It is often used in care products in the medical and health field, such as sanitary napkins, adult diapers, baby diapers, etc. Its main function is to absorb and fix liquid, while ensuring dry surface, improve the use experience and comfort.

What is absorbent lining paper? What performance is tested?

Performance test
The performance test of absorbent lining paper mainly includes the following aspects:

Water absorption speed: The water absorption speed tester and other instruments are used to detect the water absorption speed of the water absorption lining paper, that is, the amount of liquid absorbed per unit time. The test requires placing the sample in the test instrument, injecting a certain amount of liquid, and measuring the water absorption rate.

Water absorption: Use water absorption tester and other instruments to detect the water absorption of the absorbent lining paper, that is, the maximum amount of liquid that can be absorbed. The test requires placing the sample in the test instrument, injecting a certain amount of liquid, and measuring the amount of water absorption.

Absorption time: Use the absorption time tester and other instruments to test the absorption time of the absorbent lining paper, that is, the time required from liquid contact to complete absorption. The test requires placing the sample in the test instrument, injecting a certain amount of liquid, and measuring the absorption time.

Liquid distribution uniformity: Use liquid distribution tester and other instruments to test the uniformity of liquid distribution of absorbent lining paper. During the test, the sample is placed in the test instrument and a certain amount of liquid is injected to measure the uniformity of liquid distribution.

Air permeability: Use a breathable tester and other instruments to test the breathable properties of absorbent lining paper to assess its comfort and breathable properties. The test requires placing the sample in a test instrument to measure the breathability.

Chemical composition: Infrared spectrometer, element analyzer and other instruments are used to test the chemical composition of absorbent lining paper to confirm its compliance with relevant standards and regulations, and to assess its environmental friendliness.

Physical properties: including tensile strength, tearing strength, thickness, density and other physical properties of the test to evaluate the water absorbent lining paper structural strength and tensile cracking resistance.

Component residue: Use gas chromatograph, liquid chromatograph and other instruments to detect the residue of harmful substances in absorbent lining paper to ensure that it will not cause harm to human health.

Microbial testing: Use biological safety cabinets, colony counters and other instruments to detect microorganisms in absorbent lining paper to ensure that they meet relevant standards and regulations, and assess their safety and hygiene.

Packaging and printing quality: including printing accuracy, color fidelity, printing quality and other aspects of the test, to assess the packaging and printing quality of absorbent lining paper, to ensure its appearance quality and brand image.

What is absorbent lining paper? What performance is tested?

Specific detection method
The following is the specific method of absorbent lining paper performance detection:

Water absorption speed: Contact the water absorption lining paper sample in the water absorption speed tester with the liquid, start the testing instrument, and record the amount of water absorption per unit time. During the test, you must comply with the standard requirements to ensure that the ambient temperature and humidity are consistent.

Water absorption: Contact the sample of absorbent lining paper in the water absorption tester with the liquid, start the testing instrument, and record the weight of the liquid after complete absorption. During the test, you must comply with the standard requirements to ensure that the ambient temperature and humidity are consistent.

Absorption time: Contact the absorbent paper sample in the absorption time tester with the liquid, start the test instrument, and record the time required for complete absorption of the liquid. During the test, you must comply with the standard requirements to ensure that the ambient temperature and humidity are consistent.

Liquid distribution uniformity: Test with a liquid distribution tester. The sample of absorbent lining paper in the test instrument was contacted with the liquid, and the test instrument was started to observe the distribution of the liquid on the absorbent lining paper and evaluate the uniformity of the liquid distribution. During the test, you must comply with the standard requirements to ensure that the ambient temperature and humidity are consistent.

Air permeability: Test with a breathable tester. The sample of absorbent lining paper from the test instrument was placed in the test instrument to record the breathability. During the test, you must comply with the standard requirements to ensure that the ambient temperature and humidity are consistent.

Chemical composition: Samples are sent to the laboratory for testing with infrared spectrometer, element analyzer and other instruments to evaluate the chemical composition of absorbent lining paper.

Physical performance: Test according to the standard requirements to maintain the consistency of ambient temperature and humidity.

Component residue: Samples are sent to the laboratory for detection by gas chromatograph, liquid chromatograph and other instruments to assess the residue of harmful substances in absorbent lining paper.

Microbial detection: Use biological safety cabinet, colony counter and other instruments for microbial detection. Samples are sent to the laboratory and tested according to standard methods to assess microbial contamination in absorbent lining paper.

We reminds you: the selection of various testing methods and instruments should be selected according to the specific testing requirements and standard requirements, and need to be calibrated and verified in accordance with relevant regulations to ensure the accuracy and reliability of test results. At the same time, in the performance test of absorbent lining paper, it is necessary to keep the laboratory clean and sanitary, to avoid the influence of external pollution on the test results.