The peristaltic pump tube is an indispensable part of the peristaltic pump system, and it is also an important part of direct contact with the material. Its choice has a great relationship with material loss and pollution.
The common materials and characteristics of the peristaltic pump tube are briefly introduced as follows.
1) Silicone tube: one of the commonly used tubes in the domestic biopharmaceutical industry. To enhance the physicochemical properties of silicone elastomers, there are usually two treatment methods: platinum vulcanization and peroxide vulcanization. The former is expensive and the inner wall of the pipe is smooth. Excellent compatibility, can be used as a pharmaceutical/hygienic hose; the latter will cause more or less wrinkles in the inner wall, and may react with certain chemicals, discoloration, generally not recommended as a pharmaceutical grade hose, can be used Food grade process.
Silicone tubing is poorly tolerant to organic solvents and should be avoided in this area without uninvestigating chemical compatibility.
It should be pointed out that not all silicone tubes can be used as peristaltic pump tubes, and they must have various requirements such as resilience and hardness.
2) Ordinary rubber tube: There are a variety of rubber tubes for peristaltic pump applications. Correspondingly, there are certain requirements for resilience, hardness and elongation. In general, rubber pipes are more resistant to organic solvents than silicone pipes, but they are different in various organic substances. Recommended as a cheap pump tube in harsh conditions. With the addition of excipients, a wide variety of composite rubber tubes can be derived, and the properties of various aspects are emphasized.
3) Fluororubber tube: When it is necessary to transport a highly corrosive or non-polar solvent, the current fluororubber tube seems to be a good choice. Strong chemical principle, good resilience and hardness, combined with the advantages of PTFE/PFA/ETFE... and rubber tube, in addition to higher cost, the other excellence is getting more and more attention. Of course, due to the addition of rubber particles, the chemical resistance is worse than that of the tetrafluorocopolymer. In the specific application, the chemical compatibility table or the immersion test is required.
The common materials and characteristics of the peristaltic pump tube are briefly introduced as follows.
1) Silicone tube: one of the commonly used tubes in the domestic biopharmaceutical industry. To enhance the physicochemical properties of silicone elastomers, there are usually two treatment methods: platinum vulcanization and peroxide vulcanization. The former is expensive and the inner wall of the pipe is smooth. Excellent compatibility, can be used as a pharmaceutical/hygienic hose; the latter will cause more or less wrinkles in the inner wall, and may react with certain chemicals, discoloration, generally not recommended as a pharmaceutical grade hose, can be used Food grade process.
Silicone tubing is poorly tolerant to organic solvents and should be avoided in this area without uninvestigating chemical compatibility.
It should be pointed out that not all silicone tubes can be used as peristaltic pump tubes, and they must have various requirements such as resilience and hardness.
2) Ordinary rubber tube: There are a variety of rubber tubes for peristaltic pump applications. Correspondingly, there are certain requirements for resilience, hardness and elongation. In general, rubber pipes are more resistant to organic solvents than silicone pipes, but they are different in various organic substances. Recommended as a cheap pump tube in harsh conditions. With the addition of excipients, a wide variety of composite rubber tubes can be derived, and the properties of various aspects are emphasized.
3) Fluororubber tube: When it is necessary to transport a highly corrosive or non-polar solvent, the current fluororubber tube seems to be a good choice. Strong chemical principle, good resilience and hardness, combined with the advantages of PTFE/PFA/ETFE... and rubber tube, in addition to higher cost, the other excellence is getting more and more attention. Of course, due to the addition of rubber particles, the chemical resistance is worse than that of the tetrafluorocopolymer. In the specific application, the chemical compatibility table or the immersion test is required.
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