Analysis, evaluation, analysis, and inspection of recycled resin [Contract analysis and testing services]

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last updated：Feb 16, 2026

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Wide-ranging evaluation of recycled plastic, from foreign substance assessment, crushing, molding, to physical property measurement and composition analysis!

We conduct various analyses and evaluations regarding recycled resin materials. It is also possible to assess changes in physical properties according to the number of recycling cycles, and we can handle everything from grinding test specimens to molding and testing in a consistent manner. Through various analyses and evaluations, we measure the characteristics and durability of recycled materials and support the consideration of environmentally friendly materials. Additionally, we can analyze the fiber length distribution of samples after recycling and grinding, and we can perform evaluations using our own grinding machines. Moreover, we can qualitatively and quantitatively analyze 12 types of resins, including PE, PP, and PS, in recycled plastics. Since recycled plastics are prone to contamination with foreign materials such as metals and different resins, which can affect product quality, we also conduct foreign material evaluations using various methods. 【Items Handled】 ■ Evaluation of the recyclability of resin materials ■ Grinding treatment of various resin materials ■ Contamination and foreign material evaluation and inspection of recycled materials ■ Fiber length distribution evaluation of recycled materials ■ Composition analysis of mixed resin materials such as recycled plastics *For more details, please download the PDF or feel free to contact us.

Related Link - https://www.rhombic.co.jp/

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■Evaluation of the recyclability of resin materials - Sheet shapes can also be molded from test specimens according to JIS and ISO standards Various physical property tests such as tensile, bending, and impact tests (Izod, Charpy) are possible ■Crushing treatment of various resin materials - Inlet size: 30cm x 20cm - Compatible shapes: dumbbell pieces, sheets, bottles, films, etc. *Other shapes can also be discussed - Compatible resins: General-purpose resins such as PE and PET, engineering plastics such as PBT, and glass fiber reinforced materials are also supported - Processing amount: Several kg to several tens of kg - Size after crushing: Approximately several mm to 10 mm ■Contamination, foreign matter evaluation, and inspection of recycled materials - Evaluation of foreign matter conditions through visual observation - Evaluation of the number and size of foreign matter - Qualitative analysis of foreign matter through instrumental analysis such as FT-IR ■Evaluation of fiber length distribution in recycled materials - Measurement of glass fiber length and quantity through image analysis, with distribution evaluation possible using histograms, etc. ■Composition analysis of mixed resin materials such as recycled plastics - Qualitative and quantitative analysis of 12 types of resins: PE/PP/PS/ABS/SBR/PMMA/PC/PVC/PU (MDI-based)/PET/Ny6/Ny66 Qualitative and quantitative analysis is similarly possible for combinations of the above resins.