About one-third the weight of wood! Introducing cardboard with strength comparable to that of wood.
Let me introduce the differences between reinforced cardboard and regular cardboard. Regular cardboard is made with a single layer of fluted material, known as the flute, which is the wavy part between the front and back surfaces of the cardboard. On the other hand, reinforced cardboard is made with 2 or 3 layers of flutes, and the paper used as raw material is thicker, harder, and has very high strength. 2-layer reinforced cardboard is called "double wall," while 3-layer reinforced cardboard is referred to as "triple wall," allowing for strength to be adjusted according to the packaging items. 【Features of Reinforced Cardboard】 ■ Weighs about one-third of wood ■ Made with 2 or 3 layers of flutes ■ Strength can be adjusted according to the packaging items *For more details, please refer to the PDF document or feel free to contact us.
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Since its founding, Keihan Paper Co., Ltd. has consistently manufactured and sold reinforced cardboard (triple wall), which has been produced in Japan for about 50 years. Due to the increasing variety of needs in recent years, we have entered an era where new value-added products are required beyond just cardboard for packaging. As a pioneer in reinforced cardboard, Keihan Paper aims to provide our customers with our design and service know-how while striving to create cardboard products for the new era.