The highest allowable concentration of cyanide in surface water and indoor air

China's industrial enterprise design hygiene standards stipulate the highest allowable concentration of cyanide in surface water and indoor air.

The maximum allowable concentration of cyanide in surface water is less than 0.05 mg / liter of domestic water; less than 0.5 mg / liter of industrial sewer discharge; less than 1 mg / liter of cyanide-containing sewage into the tailings dam. The maximum allowable concentration of cyanide in the air is not more than 0.3 mg/ m3 .

Nanpi Jiantong Hardware Manufacturing Co.,Ltd. offers a wide range of Deep Drawing services.

Material grade: stainless steel 304, stainless steel 316

                     steel DC01,DC04,ST12,Q235,SJ235R

                     galvanized steel sheet DX51D

Stock thickness ranges from 0.30mm-6.0mm for stainless steel

                                        0.30mm-3.0mm for copper

                                        0.30mm-6.0mm for aluminum

                                        0.20mm-6.0mm for carbon steel

Surface finishing: polishing, satin blasted,powder coating, electro plating,anodize

Application: motor housing, metal cover, caps etc. 

Deep Drawing Parts

Deep Drawing Parts,Deep Drawing Sheet Metal,Deep Drawing Steel,Custom Deep Drawing Parts

Nanpi Jian Tong Hardware Manufacturing Co., Ltd. , https://www.sheetmetals.nl