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MANUFACTURER AND SUPPLIER OF CORRUGATED CARTONS

Products : Board Grades

Product weight, storage environment, printing surface.. deciding on the board grade is a very important part of the process we have provided the following information to assist you.

Board Colours


Fluting


Corrugated board is made from a combination of two sheets of paper called "liners" glued to a corrugated inner medium called fluting. These three layers of paper are assembled in a way which gives the overall structure a better strength than that of each distinct layer. There are many varieties of corrugated board, each with different flute sizes and thicknesses to offer a variety of Compression, Crush or Burst strengths etc.

E Flute

Board thickness approximately 1.2mm.
A fine flute which gives an excellent crush resistance and printability


B Flute

Board thickness approximately 3mm.
The most widely used flute profile due to its all round compression strength, compactness, printability and cost effectiveness.

C Flute

Board thickness approximately 4mm.
A larger flute than ‘B’ offering greater compression strength, but can be more easily crushed.

BC Flute (double wall)

Board thickness approximately 7mm
A combination of ‘B’ and ‘C’ flute is normally used when compression and stacking strength is important.


EB Flute (double wall)

Board thickness approximately 4.2mm.
A combination of ‘E’ and ‘B’ flute offering good strength and printability taking up less storage space than ‘BC’.

Suggested Board Grades for Content Weight

The quality and strength of the board lining papers are generally determined by the weight per square metre in Grams e.g. 125, and also content mix of new and recycled wood fibre Kraft paper (‘K’) being of better quality (higher content of new wood fibre) than Test paper (‘T’).

For example: 125 K/T B would mean the weight of the paper used is 125 grams per square metre, the external paper being Kraft and the internal being Test quality with ‘B’ fluting between.

'B' or 'C' Flute (single wall)

Grades

125 K/T
150 K/T
200 K/T
200 K/ 300 T
300 K/TT

Contents Weight:

5kg
10kg
15kg
20kg
30kg

'BC' or 'EB' Flute (double wall)

Grades

125 K/T
150 K/T
200 K/T
200 K/ 300 T
300 K/TT

Contents Weight:

15kg
20kg
30kg
35kg
40kg

 


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or Request a Quote Online

 

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