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CIRS Assists PTTMCC in Obtaining Approval for New Biodegradable Plastic PBSA

from CIRS by


On March 13, 2024, the National Health Commission (NHC) of China issued Announcement No. 2 of 2024, officially approving 23 “three new foods”, including a new food-related product, Polybutylene succinate adipate (PBSA)”, submitted by CIRS Group on behalf of PTTMCC Biochem Co., Ltd. (PTTMCC). Details are as follows:

Product name

Chinese name


己二酸与丁二酸和 1,4-丁二醇的共聚物

English name

Polybutylene succinate adipate



Scope of use


Common category name


Maximum level of use (%)

Appropriate level

SML/ (mg/kg)

SML: 5 (count as 1,4-butanediol); 0.05 (tetrahydrofuran)

QM/ (mg/kg)



The substance shall not be used in the production of food contact materials and articles for infants and young children; The PBSA plastic materials and articles produced from the material shall not be used for contact with acidic food or food with ethanol content higher than 10%. They are intended for single-use only, suitable for room temperature filling and long-term storage at room temperature (including hot filling and pasteurization under the conditions of T≤70℃, t≤2h or T≤100℃ and t≤15min). The above restrictions shall be indicated in accordance with GB 4806.1.

PBSA is a biodegradable plastic material with unique composting properties, providing home compostability at its end-of-life solution, to be composted in ambient conditions within 12 months. In addition, PBSA offers excellent processability, flexibility, and, more importantly, certified for food contact certifications.

During the application process for new food contact substance in China, CIRS Group collaborated closely with PTTMCC Biochem Co., Ltd. to assist the company in overcoming challenges in the analysis of oligomers and by-products, toxicology, and dietary exposure assessment, ultimately resulting in successful approval!


PTTMCC Biochem Co., Ltd. is a strategic joint venture established by PTT Global Chemical Public Company Limited (GC) and Mitsubishi Chemical Corporation (MCC). The company specializes in the production and sales of bioplastics, aiming to become a global leader in compostable bioplastic materials. They provide swift solutions that empower clients to maximize the potential of these materials across various application areas.

About CIRS Group

The Food Business Division of CIRS Group was established in 2012 and has provided over 1,000 domestic and international food and related enterprises with “one-stop” food compliance services. The division has numerous successful cases in the fields of application for new food raw materials, new food additives, new food-related products (new food contact materials substance), synthetic biology food ingredients, special food in China, U.S. GRAS certification, EU Novel Food, and health food, etc.

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