Reliable Shipping Cartons for Everyday Use
President Container supplies T-Box cartons in standard and custom sizes for dependable, cost-effective shipping.
What Is a T-Box?
In the corrugated packaging industry, the term T-Box is a reference designation for cartons rated at ECT 44 (Edge Crush Test, 44 pounds per linear inch). These are standard-duty shipping containers built to handle the everyday demands of warehouse storage, parcel shipping, and distribution. The T-Box designation provides a convenient shorthand for specifying a commonly used board strength that balances protection and cost for a wide range of products.
T-Box cartons are typically manufactured in RSC (Regular Slotted Container) style, though the ECT 44 rating can be applied to any box style. The board construction uses single-wall corrugated with liner and medium combinations engineered to meet the 44 ECT threshold.
Understanding ECT 44 Performance
The Edge Crush Test measures how much force a corrugated board can withstand on its edge before failing. An ECT 44 rating means the board resists 44 pounds of force per linear inch, which translates to reliable stacking performance for cartons containing products up to approximately 65 pounds. This makes T-Box cartons suitable for the majority of consumer goods, light industrial parts, and e-commerce shipments.
ECT 44 is roughly equivalent to the legacy 200# Mullen Burst Test specification. As the industry has transitioned from burst testing to edge crush testing, the T-Box ECT 44 designation has become the de facto standard for general-purpose shipping cartons.
Common Applications
T-Box cartons are the workhorses of shipping and fulfillment operations. E-commerce companies, consumer goods manufacturers, food distributors, and third-party logistics providers all rely on ECT 44 cartons for daily operations. When products are heavier or stacking requirements are more demanding, stepping up to higher ECT ratings or Full Overlap (FOL) construction provides additional strength.
For lighter items or cost-sensitive applications, lower ECT ratings may be appropriate. Your packaging supplier can recommend the right board grade based on your product weight, box size, and stacking configuration.
T-Box Cartons from President Container Group
President Container manufactures ECT 44 cartons in any inside dimension with options for flexographic printing and custom board combinations. Our President Industrial Products division stocks popular T-Box sizes for businesses that need immediate availability. Whether you need a single SKU or a full range of shipping cartons, we deliver reliable performance at competitive pricing.
Frequently Asked Questions
What does T-Box mean in corrugated packaging?
T-Box is a reference designation for corrugated cartons rated at ECT 44 (Edge Crush Test, 44 pounds per linear inch). It identifies a standard-duty shipping carton suitable for most general-purpose applications.
What weight can a T-Box carton hold?
An ECT 44 carton can typically support product weights up to approximately 65 pounds, depending on box dimensions and stacking conditions.
Is ECT 44 the same as 200# test?
ECT 44 provides roughly equivalent performance to the legacy 200# Mullen Burst Test specification. The industry has largely transitioned to ECT ratings because they more directly measure stacking strength.
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President Container Group · 200 W Commercial Ave, Moonachie, NJ 07074 · (201) 933-7500