Product Center
Contact Us
CONTACT US
Suzhou Well-Better Clean Materials Co., Ltd.
Tel：0512-36832698
Phone：177-5170-3992 Mr. Zhong
Phone：177-5170-3996 Ms. Tang
Email：zyy@szwellbetter.com
Add：No. 508, Huangpujiang North Road, Zhoushi Town, Kunshan City, Jiangsu Province
News Details
What are the quality inspection methods for water sampling bags?
2025-06-04 15:15
The quality inspection methods for water sample collection bags can include the following aspects:
1. Visual Inspection: Check whether the exterior of the water sample collection bag is intact and free from obvious damage, cracks, or contamination.
2. Sealing Test: The sealing performance of the water sample collection bag is tested by filling it with a specified amount of water and observing whether any leakage occurs over a set period of time.
3. Pressure Testing: Place the water sample collection bag into a container filled with a specific amount of gas or liquid, and then test its ability to withstand pressure, ensuring that it will not burst during the sampling process.
4. Material Testing: Verify that the materials used in water sample collection bags meet the relevant standards—for example, polyethylene (PE) or polypropylene (PP)—to ensure that the collection bags do not contaminate the water quality during the sampling process.
5. Temperature Tolerance Test: Expose the water sample collection bags to a specified temperature range and observe any changes in material deformation, color, and other characteristics to evaluate their stability and tolerance under different temperatures.
6. Chemical Migration Test: A certain amount of water sample is placed into a sampling bag, and the presence of chemical migration in the water sample is monitored over a specified period to ensure that the sampling bag does not contaminate the water sample.
7. Soluble Substance Testing: By measuring the concentration of soluble substances, such as VOCs (volatile organic compounds), in the water sample collection bag, we ensure that the collection bag does not release any harmful substances.
8. Heavy Metal Detection: The heavy metal content in the water sample collection bags is tested to ensure that the bags do not introduce heavy metal contaminants into the water samples.
The above are common quality inspection methods for water sampling bags. The specific inspection methods and standards can be selected and determined according to actual needs and requirements.
Our company’s products are widely used in industries such as Class II/Class III medical devices, pharmaceutical packaging, food testing, life sciences, precision electronics, semiconductors, automotive parts, and chemicals. Our products have passed tests including biocompatibility, initial microbial contamination, particulate matter detection, pharmaceutical packaging testing, and cleanliness assessments. Our company holds all necessary qualifications. We warmly welcome both new and existing customers to visit our facility for inspection and discussion!
Previous:
Contact Information
Tel: 177-5170-3992 Mr. Zhong
Email: zyy@szwellbetter.com
Email: pyq@szwellbetter.com
No. 508, Huangpujiang North Road, Zhoushi Town, Kunshan City, Jiangsu Province
© 2025 Suzhou Well-Better Clean Materials Co., Ltd.