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Common Paper Weights
GSM=grammes per sq m
Common Flute Grades and Weights
Fluting is generally produced using waste based fluting medium (WBF), semi-chemical fluting (SC) medium is used for enhanced properties.
Flute Medium Weights
90 GSM WBF
105 GSM WBF - Most Common Flute Standard
112 SC and WBF
150 SC and WBF
175 SC and F
Wet strength adhesive can be used for certain applications
There are a number of common flute profiles or sizes
A FLUTE - 5mm - A - Good stacking and protection
B FLUTE - 3mm - B - Good puncture resistance + Most Common Grade
C FLUTE - 4mm - C - Good stacking and protection + Very Common Grade
E FLUTE - 1.5mm - E - Lightweight fine flute
F FLUTE - 1.2mm - F - Extra thin
BC FLUTE - Flute Double Wall 6mm - BC - Combination of B + C flutes
The various liners and fluting medium can be selected to produced A Board as a single wall board or double wall board.
Single Wall Board - 2 liners and single flute
Double Wall Board - 3 liners and double flutes
Triple Wall Board - 4 liners and three flutes
Common Board Grades
When choosing a board grade this may be a guide to common grades
125K/125T - B Flute - Light Standard Grade
150K/150T - B Flute - Common/Medium Grade/Postal Grade
200K/200T - B Flute - Heavier/Durable Board
300K/300T - B Flute - Very Heavy/Strong Board
To increase the cushioning or the stacking strength of the box change the 'B flute' for a 'C Flute'. For example 125K/125T - C Flute.
If you really want to beef up the packaging specification then change the single flute either 'B' or 'C' for a much stronger double wall (double fluted) board.
200K/200T/B Flute = is equal to 125K/125T Double Wall
The liners can also have special coatings, finishes or properties
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