What material is the silicone tube made of? Let’s take a look!
Silica gel tube, as the name suggests, is a tube made of silicone. Generally, silicone rubber raw rubber is added to a two-roller mixing machine or a closed kneader, and white carbon black and other additives are gradually added. The agent is repeatedly refined evenly and is made by extrusion in accordance with industry product technical standards.
The main production materials include TPE, PTFE, polyurethane, nylon, polyvinyl chloride, polypropylene, polyetherketone, etc.
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Uses and advantages of silicone tubes
Can be widely used in aviation, electronics, petroleum, chemical industry, machinery, electrical appliances, medical, oven, food Good electrical insulation sealing, liquid transport materials in other industrial sectors. Precision representatives, oil pipelines, household appliance seals, drinking water pipeline seals, medicine, etc.
Food silicone tube is a linear polymer elastomer containing silicon-oxygen bonds, so it has high thermal stability. It has excellent resistance to ozone aging, oxygen aging, light aging and weather aging, as well as excellent electrical insulation properties, mildew resistance and high breathability. Silicone rubber is more resistant to cold and heat than plastic, and its properties remain unchanged between minus 70 degrees Celsius and above zero 250 degrees Celsius.
Silicone rubber has a wide range of applications and can be used to produce many model products and industrial supporting products, such as various medical grade silicone tubes, bottle straws, silicone strips, pacifiers, silicone tableware, O-rings, gaskets, Leather bowl, oil seal, valve, shock absorber and diaphragm, medicine bottle stopper, etc. Because silicone rubber is non-toxic, non-adhesive to other materials, and can withstand multiple cooking and sterilization, it is widely used in medical and health and food industries, such as medical equipment, drinking water equipment, sports equipment, electronics, electrical appliances, lighting, and audio. , toys, security monitoring, automobiles, industrial machinery and equipment, etc. In addition, silicone rubber can also be used as a coating and seal for various electronic tubes or electrical components, and has the effects of moisture-proof, dust-proof, and shock-proof.
What is a silicone tube?
Silica gel tube, also known as silicone tube, is a circulation and coating carrier for liquids, gases and other materials. Commonly used silicone tubes include medical silicone tubes and food grade silicone tubes. Silicone tubes, industrial silicone tubes, silicone special-shaped tubes, etc.
Of course, not all silicone can be used to make silicone tubes. Usually silicone tubes use relatively solid high-temperature vulcanized silicone. The main raw materials are TPE. , PTFE, polyurethane, nylon, polyvinyl chloride, polypropylene, polyetherketone, etc.
Silicone tube production process flow
Silica gel tubes are generally produced using extrusion equipment. The specific production process flow is:
1. Masterbatch granulation
The silica gel raw materials are mixed in a double-stick rubber mixing machine by adding double 24 or platinum vulcanizing agent or silica gel color masterbatch, and then pressed into layers of silica gel extrudates with uniform thickness.
2. Extrusion molding
Install the mold on the head of the silicone extruder. Divide the refined rubber material into shapes of the same size and length to facilitate feeding from the inlet of the extruder. Then it is fed through the silicone extruder and extruded into a formed, but still very soft, silicone hose.
3. High-temperature vulcanization
Put the silicone tube into the drying tunnel and vulcanize at high temperature, ordinary silica gel at 180°C, gas phase silica gel at 200°C, high temperature for 2 hours, and perform secondary vulcanization to remove the silica gel. To prevent odors from blooming and yellowing on the tube.
4. Tube cutting and packaging
The silicone tubes after high-temperature vulcanization are semi-finished products and need to be cut or bonded according to the specifications required by the customer, and then packaged and shipped.