
Rubber Cap Manufacturer & Supplier in India
Easkay India is a rubber cap manufacturer in India, manufacturing and supplying these for covering, sealing, protecting, and closing open ends, holes, fittings, shafts, tubes, and other components used in industrial and engineering applications. These parts provide a flexible covering that can help protect parts from dust, moisture, dirt, scratches, and general handling damage.
We manufacture these parts in different inside diameters, outside diameters, lengths, wall thicknesses, hardness levels, and compounds according to the application.
Rubber Caps Specifications & Dimensions
Rubber Cap Material Selection
Natural rubber is useful where good elasticity, flexibility, and general mechanical performance are required. NBR is commonly selected where the part may come into contact with oil, grease, or petroleum-based fluids. EPDM is suitable for applications involving water, weathering, and suitable outdoor conditions.
Silicone can be considered where high-temperature performance and flexibility are important. The final compound should be selected according to the temperature, fluid exposure, required flexibility, and working environment.
Rubber Cap Manufacturing Methods
These are produced through moulding, with tooling designed around the required internal cavity, outer profile, wall thickness, and overall height. Different profiles can be developed with features such as grip sections, grooves, flanges, and reinforced areas where required by the application.
Rubber Cap Fit & Application Requirements
For selecting the correct cap, the diameter of the component being covered, depth, wall thickness, and required fit should be specified, matching a custom OD rubber caps specification. The installation method and available mounting space can also affect the design.
Where the cap is exposed to oil, water, heat, chemicals, vibration, or repeated removal, these conditions should be provided to help select the appropriate compound, offering rubber protective caps performance across demanding conditions, including rubber caps for transit protection during storage and handling.
Custom Rubber Cap Development
Easkay India can develop these from a physical sample, engineering drawing, CAD model, or specified dimensions. After approval of the design and material, the finalised specifications can be maintained for repeat production and regular supply.
Industrial Applications of Rubber Caps
These are commonly used for:
- Protecting pipe and tube ends
- Covering shafts and fittings
- Sealing open holes and ports
- Protecting threaded and non-threaded components
- Automotive components
- Hydraulic and pneumatic equipment
- Industrial machinery
- Electrical and engineering assemblies

