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It has excellent resistance to high and low temperatures, and the mechanical properties are minimally affected by high and low temperatures. It has excellent performance in blocking gas, water, oil and odors. It can block ultraviolet light and has good luster, etc. In addition, polyethylene terephthalate also has good fiber-forming properties, wear resistance, electrical insulation, etc.
Advantages:
1. It has excellent mechanical properties, with an impact strength 3 to 5 times that of other films and good folding endurance.
2. Resistant to oil, fat, dilute acid, dilute alkali and most solvents.
3. It can be used for a long time within the temperature range of 55-60℃. For short-term use, it can withstand a high temperature of 65℃ and a low temperature of -70℃. Moreover, high and low temperatures have little impact on its mechanical properties.
4. It has a low permeability of gas and water vapor, and possesses excellent performance in blocking gas, water, oil and odors.
5. It has high transparency, can block ultraviolet rays and has good gloss.
6. Non-toxic, odorless, with good hygiene and safety, it can be directly used for food packaging.
The advantages of modified PET：
1. The heat distortion temperature and long-term service temperature are the highest among thermoplastic general-purpose engineering plastics.
2. Due to its high heat resistance, reinforced PET hardly deforms or discolors when immersed in a 250℃ solder bath for 10 seconds, making it particularly suitable for preparing tin-soldered electronic and electrical components.
3. It has a bending strength of 200MPa, an elastic modulus of up to 4000MPa, excellent creep resistance and fatigue resistance, high surface hardness, and mechanical properties similar to those of thermosetting plastics.
4. As the price of ethylene glycol used in the production of PET is almost half that of butanediol used in the production of PBT, PET resin and reinforced PET are the cheapest among engineering plastics and offer a high cost-performance ratio.
Application:
1. Home appliance field: It is used to manufacture products such as lamp sockets, soy milk machine bases, and hair straighteners.
2. In the automotive field: It is applied to components such as door handles, fog lamp brackets, and mirrors.
3. Biomedical field: It can be used to manufacture artificial blood vessels, tissue engineering scaffolds, etc.
4. In the aerospace field: After high-performance modification, it is expected to be applied to the structural components of aircraft.
5. Packaging materials: High-barrier PET packaging materials are widely used in food and pharmaceutical packaging.
It has excellent resistance to high and low temperatures, and the mechanical properties are minimally affected by high and low temperatures. It has excellent performance in blocking gas, water, oil and odors. It can block ultraviolet light and has good luster, etc. In addition, polyethylene terephthalate also has good fiber-forming properties, wear resistance, electrical insulation, etc.
Advantages:
1. It has excellent mechanical properties, with an impact strength 3 to 5 times that of other films and good folding endurance.
2. Resistant to oil, fat, dilute acid, dilute alkali and most solvents.
3. It can be used for a long time within the temperature range of 55-60℃. For short-term use, it can withstand a high temperature of 65℃ and a low temperature of -70℃. Moreover, high and low temperatures have little impact on its mechanical properties.
4. It has a low permeability of gas and water vapor, and possesses excellent performance in blocking gas, water, oil and odors.
5. It has high transparency, can block ultraviolet rays and has good gloss.
6. Non-toxic, odorless, with good hygiene and safety, it can be directly used for food packaging.
The advantages of modified PET：
1. The heat distortion temperature and long-term service temperature are the highest among thermoplastic general-purpose engineering plastics.
2. Due to its high heat resistance, reinforced PET hardly deforms or discolors when immersed in a 250℃ solder bath for 10 seconds, making it particularly suitable for preparing tin-soldered electronic and electrical components.
3. It has a bending strength of 200MPa, an elastic modulus of up to 4000MPa, excellent creep resistance and fatigue resistance, high surface hardness, and mechanical properties similar to those of thermosetting plastics.
4. As the price of ethylene glycol used in the production of PET is almost half that of butanediol used in the production of PBT, PET resin and reinforced PET are the cheapest among engineering plastics and offer a high cost-performance ratio.
Application:
1. Home appliance field: It is used to manufacture products such as lamp sockets, soy milk machine bases, and hair straighteners.
2. In the automotive field: It is applied to components such as door handles, fog lamp brackets, and mirrors.
3. Biomedical field: It can be used to manufacture artificial blood vessels, tissue engineering scaffolds, etc.
4. In the aerospace field: After high-performance modification, it is expected to be applied to the structural components of aircraft.
5. Packaging materials: High-barrier PET packaging materials are widely used in food and pharmaceutical packaging.
