ASTM D5814
Standard Practice for Determination of Contamination in Recycled Poly(Ethylene Terephthalate) (PET) Flakes and Chips Using a Plaque Test
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About This Item
ASTM D5814 is a technical standard for determining contamination in recycled poly(ethylene terephthalate) (PET) flakes and chips using a plaque test. It helps users assess whether recycled PET feedstock contains visible or measurable foreign matter that may affect downstream processing or product quality. As an ASTM standard, it provides a consistent testing framework that supports material evaluation, quality control, and procurement decisions for recycled PET materials.
Purpose of ASTM D5814
The purpose of ASTM D5814 is to provide a practical method for identifying contamination in recycled PET flakes and chips by forming and examining a plaque test specimen. This gives manufacturers, recyclers, and buyers a standardized way to judge material cleanliness and consistency before use. The standard is relevant wherever recycled PET is being screened for suitability, since contamination can influence appearance, processing behavior, and overall material acceptability in production workflows.
Common use cases of ASTM D5814
This standard is commonly used in recycled PET supply chains where flakes and chips are inspected as part of incoming material checks or batch verification. It may support laboratory testing, production quality control, and supplier qualification for recycled resin streams. ASTM D5814 is also useful when comparing lots, documenting contamination levels, or confirming that recycled PET materials meet internal purchasing or evaluation requirements before they move into further processing.
Why ASTM D5814 matters
ASTM D5814 matters because contamination in recycled PET can create variability that affects manufacturing reliability and end-product quality. A standardized plaque test helps reduce subjectivity by giving stakeholders a repeatable way to assess material condition. That consistency supports compliance efforts, better procurement decisions, and more dependable quality control. For organizations working with recycled PET flakes and chips, ASTM D5814 can help lower risk when evaluating material readiness for use.
- Plaque test for recycled PET
- Contamination assessment
- Flakes and chips evaluation
- Quality control support
- Material screening for reuse
- Publication Date: 2023-11-22
- Publisher: ASTM
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