Sheet which has a hollow structure with integral molding through special techniques. It received the Good Design Award because of its unique design, and attracted attention in a wide variety of applications such as architecture and store interiors, etc. It has abundant variations of function, colors and plate thicknesses.


  • Wide variations
  • Ultra-lightweight, about 1/5 the weight compared to a general polycarbonate sheet (same thickness)
  • High heat insulation performance
  • High weather resistance specification on both surfaces for most of the product types
  • Received the Good Design Award
  • Excellent in shock resistance
  • It has a feature in which the flame goes out when moved away from a flame source, and there is less concern over toxic gas compared to plastics.
  • Working temperature has a wide range from -40℃ to +125℃

Product List

Brand Product name Color (pattern) Features
TWINCARBO Standard 7 colors Abundant variations
TWINCARBO Toughness Clear High rigidity and unique rib shape
TWINCARBO d series Alleviation Sudare (bamboo blind) Design series with Japanese style patterns
  • As of end of December 2013, sales of Easy Clean and Acrylic Series have ended.
    As of end of December 2014, sales of Sign Opal have ended.
    As of end of October 2018, sales of i series have ended.
    As of end of September 2020, sales of Heat cut have ended.
    As of end of January 2023, sales of AS matte have ended.
    As of end of May 2023, sales of Unryu and muji have ended.

TWINCARBO standard


It is ultra-lightweight, about 1/5 the weight compared to a general polycarbonate sheet (same thickness), and the air space generated by the structure provides excellent heat insulation and heat conservation effect. As it has a high weather treatment, it also demonstrates high durability against yellowing and quality deterioration due to ultraviolet rays even outdoors. It can be selected from abundant color variations with 7 colors in total.

TWINCARBO toughness

TWINCARBO toughness 16mm

It has a feature of excellence in rigidity, and less distortion against weigh compared to “TWINCARBOTM Standard.”

TWINCARBO d series

TWINCARBO d series Sudare (bamboo blind)

Special printing of an elegant and delicate Japanese-style pattern is applied on one surface. It also has a shielding effect which gently controls visibility and light, in addition to the original features of TWINCARBO.