Food grade silicone tube and a medical silica gel tube how to distinguish?

Food grade silicone hose and medical silica gel tube are using gas phase silica raw material plus platinum vulcanizing agent, molding process is the same, the formula will be different. The finished product is non-toxic tasteless, belongs to environmental protection product, can the body organs and contact with no reaction, can be assured use.

Food grade silicone hose and medical silica gel tube if single from the appearance is not too different, or look at the main raw materials or finished products factory has no relevant certification.
    medicine medical silica gel tube must have medical professional (NSF) certification to be sold in the market, but this is the medical device companies have such qualifications, general industrial silicon rubber factory is unable to submit such certificate.
    food grade silicone tube relatively strict medical silicone tube, usually we will have FDA food grade certification, or Germany LFGB food grade certification.