: Measures the stacking strength of corrugated sheets. A rating of 32 ECT or higher is recommended for reliable shipping durability.
: A dense, non-corrugated material often used in bookbinding and scrapbooking. It is measured in "points" (pt) or grams per square meter (gsm). A 1000gsm sheet (~1.5mm thick) is extremely sturdy and resistant to bending. 2. Key Buying Specifications buy thick cardboard sheets
: Stacks two layers of fluting for heavy-duty protection. : Measures the stacking strength of corrugated sheets
: Sites like Amazon and Alibaba offer convenience for standardized sizes like A3, A4, or 12x12 inches, often sold in packs of 10 to 50. It is measured in "points" (pt) or grams
: The most popular choice for standard shipping boxes due to its cushioning properties.
To ensure the cardboard meets your needs, look for these industry-standard ratings:
Cardboard is one of the most sustainable materials available, with nearly recovered for recycling in the U.S.. When buying, prioritize: