General applications of PTFE lined metal hose
Material standards
Food grade rubber hoses must be made of rubber raw materials that meet relevant food safety standards. Such as natural rubber, nitrile rubber, etc. These materials should be nontoxic, odorless, and will not migrate harmful substances into food.
Hygiene standards
Rubber food hose should meet relevant hygiene standards, such as GB 9685 “Hygiene standards for the use of additives for food containers and packaging materials”. Hygienic conditions should be strictly controlled during the production process to ensure that the product is pollution-free.
Sensory indicators
The appearance of food hose should be normal in color, without odor or foreign matter. During use, no harmful odors and odors should be generated.
Physical and chemical indicators
The physical and chemical indicators of food-grade rubber hoses should meet relevant standards. Such as tensile strength, elongation at break, hot air aging and other indicators. These indicators can reflect the mechanical properties and aging resistance of rubber hoses.
Certification
Food grade rubber hoses should pass relevant certifications, such as FDA. These can prove that rubber hoses meet international food safety standards.
Usage restrictions
Food grade rubber hose should comply with relevant restrictions when used, such as use temperature, pressure, etc. Because exceeding the limit may cause the rubber hose to deteriorate in performance. Worse more, it may release harmful substances.
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