Top 5 Compostable Plastic Bag Manufacturers in the US

Why Compostable Bags Matter

• Environmental Responsibility and Sustainability: With the growing problem of plastic pollution worldwide, reducing single-use plastics has become essential. Compostable plastic bags can fully degrade under industrial composting conditions, reducing landfill and ocean pollution. Choosing reliable compostable plastic manufacturers ensures products meet international degradation standards, such as ASTM D6400, EN13432, and BPI certification, avoiding false claims of degradability.
• Policy and Regulatory Support:Many countries and regions have implemented regulations limiting or banning non-degradable plastics. For example, some US states require restaurants and retailers to use biodegradable or compostable bags. Working with a certified compostable plastic bags manufacturer helps businesses comply with regulations while enhancing their green brand image.
• Growing Market Demand: As environmental awareness increases, consumer demand for degradable packaging continues to rise. Sectors such as retail, food service, food delivery, and household waste management require high-performance compostable bags. Partnering with experienced manufacturers ensures consistent quality and supply.

Materials Science of Compostable Plastic Bags: PLA, PBAT, and Blending Technology

• PLA: Natural and Structurally Stable
  PLA (polylactic acid) is derived from renewable plants like corn, cassava, or sugarcane. Through lactic acid polymerization, it forms a rigid, transparent material. Under composting conditions, PLA degrades into carbon dioxide and water. PLA is a classic “biobased + compostable” material, excelling in food contact safety and environmental certifications. However, PLA is brittle and usually blended with PBAT or starch to improve toughness.
• PBAT: Enhancing Flexibility and Tear Resistance
  PBAT (aliphatic-aromatic copolyester) has PE-like flexibility, high elongation at break, and strong tear resistance, making compostable bags more durable in high-load scenarios like food waste and shopping. PBAT degrades quickly under microbial conditions. Its flexibility and extensibility make it essential for bags used in kitchens, retail, and other heavy-duty applications.
• PLA + PBAT Blending Technology
  The blended system balances strength, flexibility, and degradability. PLA provides rigidity and heat resistance, while PBAT adds flexibility and puncture resistance. Adding starch, CaCO₃, or biobased plasticizers can optimize thickness, cost, and composting speed, ensuring the bag remains durable while fully degradable.
• Certification and Material Selection
  True compostable materials must pass ASTM D6400, EN13432, BPI, and other third-party certifications, ensuring non-toxicity, no heavy metals, and no microplastic formation. PLA+PBAT blends, with stable structures and mature formulas, are the most widely used technical route globally. Choosing certified materials and reliable compostable plastic manufacturers is the first step to ensuring genuine eco-friendly products.

Top 5 Compostable Plastic Bag Manufacturers in the US

Guanzhong

• Company Overview and Scale: Guanzhong owns nearly 200,000 m² of industrial park and over 100,000 m² of production facilities, equipped with advanced R&D centers and production lines for blown film, injection molding, thermoforming, and blister forming. The company has 180 production staff and an annual output of 90,000 tons, making it a leading compostable plastic bags manufacturer globally.
• Core Products and Material Advantages: Products include compostable garbage bags, shopping bags, pet waste bags, and roll bags. Using PLA+PBAT modified technology, the bags balance toughness, tensile strength, and biodegradability. Products have passed ASTM D6400, EN13432, BPI, DIN industrial composting, and FDA food contact certifications, ensuring safety and reliability.
• Production Capacity and Technical Strength: The company has 50 fully automated injection molding lines, 8 blister forming lines, 50 blown film lines, 25 bag-making lines, 3 biodegradable sheet extrusion lines, and 5 biobased masterbatch production lines. Monthly output reaches several thousand tons and supports OEM/ODM customization, including thickness, size, color, and design.
• Customization and Service Capability: Supports customization of logos, colors, sizes, and thickness. Minimum order quantity is 1 ton of raw material. Mold cycle is 7 days, and production cycle is approximately 15 days. Suitable for households, food service, retail, and municipal waste management, Guanzhong is a reliable compostable plastic manufacturers partner for the North American market.

AMS Compostable

• Core Products and Materials: Provides ASTM D6400 certified kitchen waste bags, yard waste bags, and food service bags made of high biobased content PLA+PBAT, balancing toughness and degradability.
• Production and Technical Advantages: Modern production facilities and strict quality control ensure consistent thickness, size, and strength. Materials are traceable with high environmental performance.
• Services and Market Positioning: Offers customization for packaging size, thickness, and printed patterns, suitable for retail, food service, and municipal waste management sectors.

Earthpack, Inc.

• Core Products and Applications: Offers BPI and ASTM industrial composting certified shopping bags, retail packaging bags, and mailing bags, suitable for retail, e-commerce, and FMCG industries.
• Technical and Material Advantages: Uses PLA, PBAT, and other compostable composites, balancing transparency, toughness, and eco-performance. Emphasizes packaging reduction and supply chain transparency for environmental and functional performance.
• Customer Service and Market Positioning: Provides logo printing and size customization, helping clients enhance ESG image, making it a reliable compostable plastic bags manufacturer in North America.

Fix Supply

• Core Products and Applications: Focuses on the food service industry, providing takeout bags, food storage bags, and food waste bags.
• Materials and Technical Advantages: Uses PLA+PBAT compostable materials, certified by ASTM D6400 or BPI, balancing durability and eco-friendliness.
• Customization and Market Positioning: Provides OEM/ODM customization, including thickness, size, and printed patterns, suitable for restaurants, cafes, and food processing enterprises, making it a trusted compostable plastic manufacturers partner.

Bioplastics International

• Core Products and Technical Capability: Supplies garbage bags, yard bags, disposable packaging bags, and agricultural films. Offers R&D capability for PLA, PHA, PBAT, and other materials, and can customize high-biobased content formulas.
• Production and Certification Advantages: Products pass ASTM D6400, EN13432, BPI, and other certifications, ensuring environmental safety and traceability.
• Customer Service and Market Applications: Serves government, municipal waste management, and agricultural markets, while providing retail and food service clients with customized bag solutions. A reliable compostable plastic bags manufacturer for North American and global customers.

Key Applications and Industry Use of Compostable Plastic Bags

• Household Use: Suitable for kitchen waste, food scraps, and pet waste collection. Compostable bags can fully degrade in home or municipal composting, reducing plastic pollution.
• Retail and E-Commerce Packaging: Used for shopping bags, courier packaging, and packaging accessories. They meet load-bearing requirements while degrading in industrial composting, helping brands enhance their green image.
• Food Service and Catering: Used for takeout bags, food storage bags, and food waste bags. Durable and heat-resistant, complying with food contact safety certifications. Custom logos and sizes enhance brand professionalism.
• Gardening and Municipal Waste: Used for garden waste, leaves, grass clippings, and municipal waste separation. Ensures safe degradation in composting facilities, reducing landfill pressure.
• Industrial and Agricultural Use: Applicable for disposable packaging, agricultural films, and harvest waste handling. High toughness and compostable performance make bags suitable for professional industrial scenarios, environmentally friendly and functional.

Choosing reliable compostable plastic bags manufacturer, such as Guanzhong, AMS Compostable, Earthpack, Fix Supply, and Bioplastics International, ensures environmental performance, product quality, and customization. Understanding material science and PLA+PBAT blending technology, combined with actual application scenarios, helps businesses in households, retail, food service, and municipal waste sectors achieve green transformation. Using high-quality compostable plastic bags allows companies to comply with regulations, meet market trends, and demonstrate environmental responsibility, contributing to global sustainability.