Three layers film blowing machine with auto rewinder Its extruder, cylinder and screw rods are made of quality alloy steel that have been notarized and processed in a precision way. Hence it is hard, durable in corrosion resistance. The specially-designe
Portable Ammonia nitrogen colorimeter LH-N11 is mainly use for rapid test to get the ammonia nitrogen ion concentration in the water, using international standard method.Portable Ammonia nitrogen colorimeteris eco-friendly, the test is fast and the result
White needle crystal, odorless or a characteristic odor. The product can be oxidized and colored if exposed to air for long time. Melting point: 132℃~135℃, Solubility(20℃,g/100mL): glacial acetic acid 11.5; ethanol 10; propanediol 5.5; peanut oil 0.9; gly