The standard includes the following 4 chapters of technical content: Chapter 4 Quality Grading Evaluation: This part stipulates the establishment principles, index inspection elements and grading of polyethylene terephthalate (PET) bottle brick quality grading evaluation indicators. According to the evaluation results, four categories of evaluation objects were identified: clean bottle bricks, labeled bottle bricks, oil bottle bricks, and miscellaneous bottle bricks. Chapter 5 Quality Grading Evaluation Process and Methods: This part stipulates the selection of acceptance methods, acceptance sampling methods, result processing, moisture determination and aging bottle determination methods. Chapter 6 Acceptance: This part stipulates the process for quality acceptance based on the inspection results, including the re-inspection process. Chapter 7 Quality Label: This part stipulates the compilation rules, usage rules and examples of quality label translation coding.
T/CRRA 0307-2023 history
2023T/CRRA 0307-2023 Quality grading evaluation and acceptance for waste PET bottle brick