The main functions and advantages of rubber caps:

Dustproof and waterproof

Rubber caps are usually used to seal pipes, interfaces or other parts to prevent dust, dirt or moisture from entering, thereby avoiding equipment damage or performance degradation.

Protection and protection

Rubber caps can prevent sharp edges or protruding parts of metal and plastic parts from causing damage, avoiding injuries to personnel or damage to equipment. They are often used in pipe ports, screws, nuts and other parts.

Wear-proof

In places where contact or friction is required, rubber caps can reduce wear caused by direct contact and extend the service life of equipment, especially some mechanical parts.

Insulation and anti-electricity

Rubber materials usually have certain insulation properties, so rubber caps are often used in electrical equipment to isolate current and protect the safety of personnel and equipment.

Vibration resistance

The elasticity of rubber allows rubber caps to absorb vibrations, reduce friction and impact between components, and are widely used in vibration protection in the automotive and mechanical industries.

Common types of rubber caps:

Pipeline rubber caps

Used to seal the ports of equipment such as pipes and valves to prevent dirt or moisture from entering. Depending on the size and shape of the pipe, the rubber cap can have different forms, such as round, square, with ears, etc.

Threaded rubber caps

Designed for threaded metal pipes, nuts, bolts and other parts, they can be tightly covered to prevent corrosion, damage, or contact with impurities in the external environment.

Protective rubber caps

Used to protect the ends of some sharp objects, tools, and metal parts to avoid damage to other parts or personnel during transportation and storage.

Electronic equipment rubber caps

Used to protect electronic components to prevent dust and liquid from damaging electrical components. Common rubber caps include protective sockets, connectors and other parts.

Insulating rubber caps

Specially designed for electrical insulation occasions, such as cable port protection, to prevent current leakage and electric shock.

Common rubber materials:

Natural rubber

Suitable for general environments, with good elasticity and wear resistance, but poor tolerance to certain chemicals.

Silicone rubber

Has excellent high temperature resistance, cold resistance, aging resistance and biocompatibility, and is often used in high-demand applications such as food and medicine.

Fluororubber (Viton)

Suitable for high temperature and highly corrosive environments, commonly used for sealing and protection purposes in the chemical, petroleum and automotive industries.

Nitrile rubber (NBR)

Has good oil resistance and wear resistance, and is suitable for automobiles, machinery and other fields that need to contact oil.

EPDM rubber

Has good tolerance to ultraviolet rays, ozone, and temperature changes, and is often used in automotive seals and roof waterproofing materials.

Application areas of rubber caps:

Automotive industry

Used to cover nuts, screws, pipe joints and other parts to protect body parts from external invasion or damage.

Mechanical equipment

Used to protect machine parts, pipe ports, tools, etc. from damage, corrosion or pollution.

Construction and home improvement

Used to protect various installation parts, pipe ports, etc., to prevent dust and moisture from entering, and maintain the long-term performance of equipment and structures.

Electronic and electrical equipment

Used to protect electronic components, plugs, and sockets to prevent environmental impact and ensure the normal operation of electrical equipment.

Medical and food industry

In some food processing equipment and medical devices, rubber caps are also often used to prevent pollution or protect sensitive components.

Manufacturing method of rubber caps:

The production of rubber caps generally uses technologies such as compression molding, injection molding or extrusion molding, depending on the shape and functional requirements of the product. Commonly used mold materials include steel, aluminum alloy, etc. The mold accuracy needs to ensure that the rubber cap can fit closely with the protected parts.

In summary, the rubber cap is a simple and effective protective accessory that plays an important role in many fields with its excellent physical and chemical properties.