Flute Hights
This standard, most common flute type offers a great balance of stacking strength and cushioning.
What is C-flute?
This acronym stands for the most common shipping container where all outer flaps meet in the middle.
What is an RSC (Regular Slotted Container)?
The wavy, arched paper glued between the flat linerboards is known by this name.
What is the corrugated medium?
This test measures the edge-crush resistance of a corrugated board, dictating stacking strength.
What is the ECT (Edge Crush Test)?
This corrugated box and paper company is the largest in North America.
What is Smurfit Westrock?
This very thin flute type is commonly used for retail display boxes, pizza boxes, and fine printing.
What is E-flute?
This style of box has full-length inner and outer flaps that overlap completely when closed But only half the depth.
What is an HSC (Half-Slotted Container)?
The flat sheets of paper glued to the outside and inside of the fluted medium are called this.
What is linerboard?
This classic burst test measures the hydraulic pressure needed to puncture or rupture the board face. This classic burst test measures the hydraulic pressure needed to puncture or rupture the board face.
What is the Mullen Test (Bursting Test)?
This Scottish-born American industrialist is widely credited with inventing the first single-piece corrugated box in 1894.
Who is Robert Gair?
Measuring about 1/4 inch thick, this is the largest standard flute type, known for high shock absorption.
What is A-fute?
FEFCO is the international standard code system used to classify these.
What are corrugated box designs/styles?
Most corrugated containers are made primarily from this renewable, recycled wood-pulp material.
What is kraft paper (or virgin/recycled fiber)?
This box certificate stamp printed on the bottom flap tells handlers the minimum strength specs and weight limits.
What is the Box Maker’s Certificate (BMC)?
Corrugated boxes largely replaced heavy wooden crates for shipping goods around this major historical timeframe.
8What is the early-to-mid 20th century (WWI / WWII era)?
Combining B and C flutes together in a double-wall board creates this high-performance heavy-shipping combination.
What is BC-flute? (Doublewall)
This specialized die-cut box features a self-locking bottom and a lid, often used for shipping pizza or apparel.
What is a folder style (or die-cut tuck-top box)?
The machine used to glue the medium to the linerboard at high speeds is called this.
What is a corrugator?
The PAT test checks this specific long-term chemical hazard for archived or stored corrugated boxes.
What is the Photographic Activity Test (or chemical purity/acid content)?
The term "corrugated board" is technically distinct from this type of single-thickness heavy paper.
What is cardboard?
This thin flute type sits between B and E and is widely used for heavy-duty consumer packaging and small mailers.
What is F-flute?
An OSC stands for this type of slotted container where the outer flaps do not meet at the center.
What is an Overlap Slotted Container?
Starch-based adhesive is traditionally used to bond the tips of the flutes because of this cheap, natural kitchen staple base.
What is starch?
Under the Box Maker’s Certificate, a box rated for an ECT of 32 is roughly equivalent to this old classic Mullen rating.
What is a 200-lb test single-wall box?
This massive global trade association represents the corrugated packaging industry and sets many technical standards.
What is the FBA (Fiber Box Association) or FEFCO?