(Skid proof ripple lining) Aqua regia-proof, hydrofluoric acid, 37% hydrochloric acid, 75% phosphoric acid, 45% sodium hydroxide, 50% chromic acid, 95% 氫硫酸鹽, Potassium Dichromate,90% hydrogen peroxide, 20% nitric acid＋4% fluoric acid(indoor temperatures), 20% nitric acid＋4% fluoric acid(70℃),70% nitric acid Chemical industry, electro etc for long time resistant acid, protection super acid and alkali, Specification:  Length: 36/55cm (Extra-length) Depth: 0.55/0.45mm , Made in the Japan-HANAKI made F-Telon, Color: sapphire blue, DAILOVE made A95/A95-55, Color:  grey-black