... )GB/T1037-19887Puncture strength≥11NGB/T21302-2007Note: The data of test result only for 55um thickness.1. Physical ... , 55um,60um,65um±5%2Width165mm~450mm0~+10mm3Length100mm~client`s requirement 0~+10mm3. Appearance Parameter No.ItemDiscription1Crystal point, ... sealing phenomenon4wrinklea slight intermittent wrinkles can be allowed.5Shape of sealedstraight line end sealed, curve end sealed , ...