It is formed by gluing 1 microwave groove layer between 2 plain papers and combining a total of 3 papers. The approximate wall thickness is 2 mm.
Microwave (E) Cardboard
Thin Wave (B) Cardboard
It is formed by gluing 1 thin wave groove layer between 2 plain papers and combining a total of 3 papers. The approximate wall thickness is 3 mm.
Coarse Wave (C) Cardboard
It is formed by sticking 1 thin wave corrugation layer between 2 pieces of plain paper. It consists of 3 floors in total. The approximate wall thickness is 4 mm.
Dopel (B+C) Cardboard
It is formed by gluing 1 thin wave and 1 coarse wave corrugation layer between 3 plain papers and combining a total of 5 papers. The approximate wall thickness is 7 mm.
Micro Dopel (E+B) Cardboard
It is formed by gluing 1 microwave and 1 coarse wave corrugation layer between 3 plain papers and combining a total of 5 papers. The approximate wall thickness is 5 mm.