In addition to silicone, what other materials are suitable for thermos cups?

In addition to silicone, what other materials are suitable for thermos cups?
When choosing a thermos cup seal, in addition to the common silicone material, there are many other materials to choose from. These materials have their own characteristics and advantages, suitable for different usage scenarios and needs. The following are several common materials for thermos cup seals and their performance analysis:

1. Nitrile rubber (NBR)

Features
Oil resistance: Nitrile rubber has excellent oil resistance and is suitable for use in media such as petroleum hydraulic oil, glycol hydraulic oil, and diester lubricating oil.

Wear resistance: Good wear resistance and long service life.

Aging resistance: Good aging resistance and can maintain good sealing performance for a long time.

Applicable scenarios
Outdoor use: Suitable for use in outdoor environments, especially in scenes with contact with oil substances, such as motorcycles and car repairs.

Industrial use: In industrial environments, nitrile rubber seals can withstand greater mechanical stress and chemical corrosion.

2. Natural rubber (NR)

Features
Good elasticity: Natural rubber has excellent elasticity and can provide good sealing effects.
Cold resistance: It can still maintain good performance in low temperature environment and is suitable for use in cold areas.
Water resistance: It has good sealing performance against water and is suitable for products that need to be waterproof, such as thermos cups.
Applicable scenarios
Daily use: It is suitable for use in daily life, especially in scenes that require waterproofing and leakproofing.
Outdoor activities: In outdoor activities, the natural rubber seal can effectively prevent water from penetrating and protect the drinks inside the thermos cup.

3. EPDM
Features
Weather resistance: It has excellent weather resistance and can maintain stable performance in harsh environments such as ultraviolet rays and ozone.
Heat resistance: It has good heat resistance and can be used at higher temperatures, which is suitable for the high temperature environment of the thermos cup.
Chemical resistance: It has good tolerance to a variety of chemicals and can prevent chemical corrosion.
Applicable scenarios
High temperature environment: It is suitable for products that need to remain sealed in high temperature environments, such as thermos cups.
Outdoor environment: In outdoor environments, EPDM seals can effectively resist the erosion of ultraviolet rays and ozone.

4. Fluororubber (FKM)
Features
High temperature resistance: Fluororubber has excellent high temperature resistance and can maintain good sealing performance at extremely high temperatures.
Chemical corrosion resistance: It has extremely high tolerance to a variety of chemical substances and can prevent chemical corrosion.
Aging resistance: Good aging resistance and long service life.
Applicable scenarios
High temperature environment: Suitable for use in high temperature environments, such as industrial furnaces, high temperature reactors, etc.
Chemical environment: In environments exposed to strong acids, strong alkalis and other chemical substances, fluororubber sealing rings can provide reliable sealing.

5. Polytetrafluoroethylene (PTFE)
Features
High temperature resistance: Polytetrafluoroethylene has extremely high high temperature resistance and can remain stable at extremely high temperatures.
Chemical corrosion resistance: It has tolerance to almost all chemical substances and can prevent chemical corrosion.
Low friction coefficient: It has a low friction coefficient, which can reduce wear and extend service life.
Applicable scenarios
High temperature environment: Suitable for use in high temperature environments, such as high temperature furnaces, reactors, etc.
Chemical environment: In an environment where strong acids, alkalis and other chemicals are exposed, polytetrafluoroethylene sealing rings can provide reliable sealing.

6. Polyurethane rubber (PU)

Features
High elasticity: Polyurethane rubber has high elasticity and can provide good sealing effect.
Wear resistance: Good wear resistance and long service life.
Oil resistance: It has good tolerance to oil substances and can prevent oil leakage.
Applicable scenarios
Industrial use: In industrial environments, polyurethane rubber sealing rings can withstand greater mechanical stress and chemical corrosion.
Outdoor use: In outdoor environments, polyurethane rubber sealing rings can effectively prevent moisture and oil from penetrating.

7. Polycarbonate (PC)

Features
High transparency: Polycarbonate has high transparency and can provide good visual effects.
Impact resistance: It has high impact resistance and can withstand large external impact.
Heat resistance: Good heat resistance and can be used at higher temperatures.
Applicable scenarios
Daily use: Suitable for use in daily life, especially in scenes that require transparent visibility.
Outdoor activities: In outdoor activities, the polycarbonate seal can effectively prevent water from penetrating and protect the drinks inside the thermos.

8. Polypropylene (PP)

Features
Chemical corrosion resistance: Polypropylene has good tolerance to a variety of chemicals and can prevent chemical corrosion.

Heat resistance: Good heat resistance and can be used at higher temperatures.

Lightweight: Polypropylene material is lightweight and can reduce the overall weight of the thermos.

Applicable scenarios
Daily use: Suitable for use in daily life, especially in scenarios that require light carrying.

Outdoor activities: In outdoor activities, the polypropylene seal can effectively prevent water from penetrating and protect the drinks inside the thermos.

9. Polyethylene (PE)

Features
Chemical corrosion resistance: Polyethylene has good tolerance to a variety of chemicals and can prevent chemical corrosion.

Low temperature resistance: It can still maintain good performance in low temperature environments and is suitable for use in cold areas.

Flexibility: It has good flexibility and can adapt to different sealing requirements.

Applicable scenarios
Daily use: Suitable for use in daily life, especially in scenarios that require flexible sealing.
Outdoor activities: In outdoor activities, polyethylene seals can effectively prevent water from penetrating and protect the drinks inside the thermos.

10. Polyvinyl chloride (PVC)

Features
Chemical corrosion resistance: Polyvinyl chloride has good tolerance to a variety of chemicals and can prevent chemical corrosion.

Heat resistance: Good heat resistance and can be used at higher temperatures.

Flexibility: With good flexibility, it can adapt to different sealing needs.

Applicable scenarios
Daily use: Suitable for use in daily life, especially in scenarios that require flexible sealing.

Outdoor activities: In outdoor activities, polyvinyl chloride seals can effectively prevent water from penetrating and protect the drinks inside the thermos.

Summary
In addition to silicone, there are many other materials for seals suitable for thermos. Each material has its own unique properties and applicable scenarios. Choosing the right seal material needs to be based on specific usage requirements and environmental conditions. For example, nitrile rubber is suitable for use in oil environments, EPDM rubber is suitable for use in high temperature and outdoor environments, and polytetrafluoroethylene is suitable for use in high temperature and chemical environments. By understanding the characteristics and applicable scenarios of these materials, consumers can better choose the thermos bottle seal that suits their needs.