PLA (Polylactic Acid) — Plant-Based Compostable Resin
PLA (Polylactic Acid)
PLA is an eco-friendly plastic that degrades naturally after a period of use, without placing too much burden on the environment. Products made from this material offer many practical functions and wide applications:
Eco-friendly packaging: PLA can be used for food packaging, coffee cups and tableware. These items can be disposed of naturally after use, as PLA gradually breaks down without leaving large amounts of waste like conventional plastics.
Medical supplies: Thanks to its good biocompatibility, PLA can be used to make sutures, bone pins and other medical devices, which are absorbed by the body after completing their task and need not be removed.
Soil amendment: Once PLA degrades into small molecules, it can serve as a soil amendment to help plants grow — effectively turning plastic into a beneficial soil additive.
Disposable products: Some disposables, such as napkins and sanitary napkins, can be made from PLA and degrade naturally after use, reducing landfill burden.
Plastic products: PLA can also be used for products such as toys and daily necessities, which break down faster at end of life, reducing environmental impact.
In short, PLA products can replace conventional plastics in many applications, helping to reduce plastic pollution and environmental stress. While not a universal solution, it plays an increasingly important role amid today's growing environmental awareness.
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Nonproprietary Name: Polylactic acid
Nickname: PLA
Chemical Name: Polylactic acid
CAS Registry Number: 26100-51-6
EINECS Registry Number: 201-245-8
Molecular Formula: (C3H6O3）n
Appearance | White solid granules |
Density | 1.25-1.28 g/cm3 |
Melting point | 155–170℃ (corrected; see note) |
Boiling point | 227.6°C at 760mmHg |
For specific product specifications and MSDS, please contact the product manager.
Our product managers are ready to provide exclusive solutions and support sample delivery.
Packaging: 25kg/bag, 20kg/bag.
Storage: Keep at room temperature; protect from moisture and light.
Shelf life: 2 years.
What is PLA (polylactic acid), and why is it eco-friendly?
PLA is a bio-based biodegradable polyester made by polymerizing lactic acid obtained from plants such as corn and sugarcane. It uses renewable feedstock, is compostable under composting conditions, and offers good transparency, gloss and feel, making it a mainstream eco-friendly alternative to petroleum-based plastics.
What is PLA mainly used for?
PLA is widely used in food packaging, tableware and cups, disposable products, 3D printing filament, fibers/nonwovens, and biomedical materials such as sutures and bone pins. It can be processed by injection molding, extrusion, blown film and spinning.
How does PLA differ from PBAT and PBS?
PLA is rigid, transparent and glossy, ideal for hard items, tableware and 3D printing, but is somewhat brittle with modest heat resistance; PBAT/PBS are flexible and suited to films and bags. In practice, blown-film bags are often PBAT-based blended with PLA to balance degradation, cost and mechanics.
What information should I provide to get a PLA quotation?
Please provide the target product and process (injection/extrusion/3D printing, etc.), required grade/specs, purchase quantity, degradation certification requirements, packaging requirement, destination, and whether COA, MSDS or samples are needed, so Bio-CORNIGS can match the grade and quote accurately.
Can CORNIGS provide COA and MSDS?
CORNIGS can provide COA, MSDS, specifications, packaging information and storage conditions according to the specific product and batch, helping customers complete purchasing, quality review and supplier evaluation.
What information should I provide before requesting a quotation?
To receive an accurate quotation, please provide the product name, required specification, estimated quantity, application field, packaging requirement, delivery destination and whether technical documents are needed.
Can I request a sample before bulk purchase?
Sample or small trial quantity requests can be discussed according to product type and stock availability. Customers are advised to share the testing purpose and target application so that a suitable product can be recommended.
What packaging and storage options are available?
Packaging and storage conditions vary by product specification. In general, products should be stored in sealed packaging and protected from moisture, heat and direct sunlight. Please confirm detailed requirements before ordering.
How can I get technical support or purchase advice?
You can contact CORNIGS through the inquiry form, WhatsApp, phone or email. Our product manager can help confirm product selection, application suitability, documentation requirements and quotation details.
Fill in the form below or scan the WhatsApp QR code, our product manager will reply within 2 hours.
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