... , Roof Insulation Materials, Honeycome Materials and so on.Mechenical Property: Chemical Composite and Mechanical Property are meted with GB/T3198 ... Stain, Oxide Dicoloration, Breaks, Corrosion, Roll Marks, Dirt Streaks and other defect which will interfere with usePacking First, plastic cloth ... Third, wooden cases with dry agent ,without fumigation Aluminum foil for flexible packaging for chocolate