ASTM D5511与ASTM D5526：生物降解产品认证流程

**Certifying Biodegradable Products**

**Understanding ASTM D5511**

**Understanding ASTM D5526**

**Key Differences Between ASTM D5511 and ASTM D5526**

**Certification Process**

**Importance of Certification**

**In Summary** **ASTM D5511 vs. ASTM D5526: Certification Process for Biodegradable Products - Experts in Recycling****Sample Preparation**

**In Summary** **Testing****Data Analysis**

**Reporting**

: If the product meets the criteria set forth in the ASTM standard, it can be certified as biodegradable under the specific conditions tested.

1. Sample Preparation: Prepare the plastic material samples according to the specific requirements of the chosen test method.

2. Testing: Submit the samples to a certified laboratory that conducts ASTM D5511 or ASTM D5526 tests. The laboratory will expose the samples to the specified anaerobic conditions and monitor the biodegradation process over the test duration.

3. Data Analysis: The laboratory will measure the amount of biogas produced (methane and carbon dioxide) to determine the extent of biodegradation.

4. Reporting: The laboratory will provide a detailed report outlining the biodegradation percentage and rate, as well as any other relevant observations.

5. Certification: If the product meets the criteria set forth in the ASTM standard, it can be certified as biodegradable under the specific conditions tested.

Importance of Certification

Obtaining certification under ASTM D5511 or ASTM D5526 demonstrates a product’s capability to biodegrade under specific anaerobic conditions, providing credibility and assurance to consumers and stakeholders. It also aids manufacturers in making accurate and substantiated environmental claims about their products.

In summary, ASTM D5511 and ASTM D5526 are critical standards for assessing the anaerobic biodegradability of plastic materials. Understanding the differences between these tests and following the proper certification process ensures that products meet established environmental standards and perform as claimed in real-world disposal scenarios.