Long-term exposure to soil or similar substances or heavy polluting environments that are beneficial to microbial survival is demanding on hoses, and the chemical structure of polyether-polyurethane materials can be permanently resistant to microbial damage. Thyssenkrupp Escalator Spare Parts
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We know that if the synthetic material is exposed to soil or similar substances for a long time and some heavily polluted environments that are beneficial to the survival of microorganisms, the destruction of microbial enzymes will invade the chemical bond.
In some unfavorable conditions, the initial damage signal will become apparent after two to six months.
In addition, in the tropics, the plastic plastic molecular chain will hydrolyze when exposed to hot water at or above 60 °C, and the water vapor will suffer irreversible degradation. The unstable material will be lost after being exposed to hydrolysis for three weeks at 80 °C. More than 95% tensile strength.
NORRES uses special high quality polyether-polyurethanes rather than polyester-polyurethanes that are often used in large-scale production applications. These hoses have the following advantages:
· Resistance to microorganisms (long-term exposure to soil or similar substances or heavy pollution in the environment that is conducive to microbial survival is demanding on hoses. The chemical structure of polyether-polyurethane materials can be permanently damaged by microorganisms. We believe that: compared to regular use A non-healthy additive that stabilizes the polyester-polyurethane, which is a better solution. The polyester-polyurethane has an additive bleed that causes a decrease in performance, which is lower than the risk of contact with the operator and the transport medium when the additive oozes the surface. .)
· Resistance to hydrolysis (used in harsh environments such as humidity, higher temperatures and hot climates)
· Better chemical stability than polyester-polyurethane
· Better softness than polyester-polyurethane at low temperatures
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