Paper grades for the outer and inner liner are available in various different types, the most common being:-

> K Kraft – 25-30% Recycled Kraft paper

> T Test – Fully recycled liner

> K Kraft – 25-30% Recycled Kraft paper

> T Test – Fully recycled liner

> K Kraft – 25-30% Recycled Kraft paper

 

The paper is available in various weights, the most common being:-

> 125 GSM (grammes per square metre)

> 150 GSM

> 200 GSM

> 300 GSM

 

There are a number of flute profiles, the most common being :-

> B 3mm thick

> C 4mm thick

> E 1.5mm thick

> DW Double wall, usually a combination of B & C flutes, sometimes referred to as BC