The paper canning is not merely a container; it performs a series of protective functions that are crucial for powdered foods. The core value of whey protein powder lies in its active nutritional components. The highly airtight design of the paper canning packaging is the key barrier that safeguards this value.
Moisture-proof and anti-caking: Through the layering of multiple food-grade composite materials, the paper cans can effectively block air, moisture and odors, preventing the protein powder from absorbing moisture, caking, oxidizing and deteriorating, and maintaining the loose texture and freshness of the powder.
Light protection: The light-blocking performance of the paper cans is superior to that of traditional packaging. It can effectively prevent ultraviolet rays from damaging the protein structure, ensuring that each spoonful of protein powder retains its original flavor and nutrition.
Food safety guarantee: The inner lining of the paper canister is made of food-grade PE film, which is non-toxic, odorless, and has stable chemical properties. It will not produce harmful substances when in direct contact with protein powder. The integrated structure of the canister has no seams and no leakage risks, effectively preventing external contamination.
What is more worthy of attention is that the paper cans are made of paper-based materials and are recyclable and degradable. This aligns with the dual trends of the health and consumer industries. Moreover, their lightweight feature significantly reduces storage and transportation costs.


Safety & Compliance Certification Matrix
When sourcing paper can packaging, supplier certifications are a critical factor to check. The following core certificates are commonly held by reputable paper can suppliers in the market:
| Certification Category | Certification Name | Primary Function |
|---|---|---|
| Food Safety Management | ISO 22000 / FSSC 22000 | Internationally recognized food safety management system, covering full-chain traceability and process control |
| Quality Management | ISO 9001 | Ensures consistent product quality and traceability |
| U.S. Market Access | FDA 21 CFR 176.170 / 176.180 | Complies with U.S. regulations for food-contact paper and paperboard |
| EU Market Access | EU 10/2011 / CE | EU food contact material regulation and safety standard |
| Sustainable Sourcing | FSC (Forest Stewardship Council) | Certifies that paper raw materials come from sustainably managed forests |

