... Abrasion Proof,Acid/Alkali resistance... 2.ISO 9001:2008 3.Color:Black,Red,Yellow,Blue.. Tube Cover:Product Features:Spiral ... foaming and uneven, No inclusion.2. Surface color: Black, Non-blushing, No obviously off-color.3. Temperature resistance: The sample cannot ... Surface, Bright Cambered Surface; Matt Flat Surface, Matt Cambered Surface.Color: Black, Gray, Red, Yellow, Blue, etc.Basic Terms:Place ...