... with sufficient durability in such applications where salty air or long term weather exposures are inevitable.Standard:BS1139:1775 , EN39:2001 ,JIS ... strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.Third party inspection:SGS, BV, Lloyds ...