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If any description is unclear then check our glossary of terms Corrugated Board is made up of various liners and fluting: Paper grades for the liner - outer and inner (K) KRAFT - Virgin Kraft paper (T2) TEST 2 - Partly recycled liner paper (T) TEST 3 - Fully recycled liner (C) CHIP - Waste based liners (BW) FULLY BLEACHED WHITE - Fully bleached Kraft liner (WT) WHITE TOP - White coated recycled liner (MK MOTTLED KRAFT - Mottled white Kraft (OY) OYSTER - Mottled test liner Common Paper Weights GSM=grammes per sq m 115/125 GSM 140/150 GSM 185/200 GSM 300 GSM 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 Paper Combination: 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. Example: 200K/200T/B Flute = is equal to 125K/125T Double Wall The liners can also have special coatings, finishes or properties Polythene Anti Static Conductive Colour Wash Water Resistant Fire Resistant Anti Abrasive Acid Free Clay Coated Soft Tissue Post Consumer/Recycled Exposed Flute Pre Print Sesame Tape Rippa Tape Foam Lined Or visit www.strrgis.co.uk Copyright 1999 I Waterman (Box Makers Ltd.) All Rights Reserved Worldwide |