The another major product, made out of insulating crepe kraft paper is flexible crepe paper tubes used in copper conductor connections to save time for building up insulation, very easy to use as it is available in standard I.Ds starting from 3, 4,6,10,12,14,16,19,22 & 29 mm. X wall thickness is of 1.5 & 3 mm.
This tubes are so flexible that you can bend it to 360º.
The insulation property in BDV is much more higher
as crepe paper being more compact.