Expert Molding Since 2008

Rubber Molding Company
in Mumbai, India

Vertex Rubber India is an expert rubber molding company offering compression molding, injection molding, transfer molding, and rubber-to-metal bonding services. Press capacity from 50T to 500T. Precision parts for automotive, industrial, and OEM applications.

Rubber Molding Products
Rubber Molding Products - Premium Quality
About Rubber Molding

Understanding the Quality of Our Rubber Molding Services

Rubber molding is the process of shaping uncured rubber compound into precision parts using heat and pressure in a metal mold. At Vertex Rubber India, we have invested in a comprehensive range of hydraulic presses from 50 tons to 500 tons, allowing us to manufacture parts ranging from small, intricate O-rings weighing a few grams to large industrial components weighing up to 10 kilograms. Our molding facility operates with advanced temperature control systems that maintain precise cure temperatures within ±2°C, ensuring every part achieves its optimal physical properties and dimensional accuracy.

The choice of molding process — compression, injection, or transfer — depends on several factors including part geometry, production volume, material requirements, and budget. Compression molding offers the lowest tooling cost and is ideal for large parts and low-to-medium volume production runs of 100 to 5,000 pieces. Injection molding provides the highest precision with tolerances as tight as ±0.1mm, making it the preferred choice for complex geometries and high-volume production of 5,000+ parts. Transfer molding bridges the gap, offering good precision for medium volumes with the ability to handle metal inserts and complex cavity configurations.

A poorly molded rubber part can cause equipment failure, fluid leaks, and costly production downtime. A failed engine mount, for example, can lead to drivetrain misalignment costing ₹20,000 or more in repairs. That's why Vertex Rubber maintains strict process control at every stage — from material compounding and preheating to mold preparation, curing, and post-cure inspection. We use statistical process control (SPC) to monitor critical parameters such as cure time, temperature, pressure, and flash thickness, ensuring consistent quality across every production batch. Our rubber-to-metal bonding process uses advanced chemical bonding agents and surface preparation techniques to achieve adhesion strengths that exceed industry standards.

Industries

Molding Industries Served

Automotive

Engine mounts, suspension bushings, seals, gaskets, anti-vibration components, and custom molded parts for passenger cars, CVs, and off-highway vehicles.

Industrial

Pump diaphragms, valve seals, pipe gaskets, vibration isolators, and OEM components for pumps, compressors, and industrial machinery.

Electrical & Electronics

Insulator parts, connector seals, grommets, cable entry seals, and custom molded components with precise electrical properties.

Processes

Our Rubber Molding Processes

Cost Effective

Compression Molding

Low tooling cost, ideal for large parts and low to medium volumes (100-5000 pieces). Simple geometry with excellent material properties. Press capacity 50T-500T. Max part size 800x800x100mm.

High Precision

Injection Molding

High precision with fast cycle times. Ideal for complex geometries and high-volume production (5000+ pieces). Tolerance ±0.1mm. Consistent quality across all batches.

Transfer Molding

Mid-range solution for complex parts with metal inserts. Ideal for 500-5000 piece runs. Better tolerance than compression with moderate tooling cost.

Rubber-to-Metal Bonding

Specialized process for bonding rubber to metal inserts. Superior adhesion strength for engine mounts, suspension bushes, and structural components.

Comparison

Process Comparison

ParameterCompressionInjectionTransfer
Cycle Time5-15 min1-5 min3-10 min
Tolerance±0.5mm±0.1mm±0.3mm
Tool CostLowHighMedium
Part Weight10g-10kg1g-2kg5g-5kg
Min Order100 pcs5000 pcs500 pcs
Capabilities

Molding Capabilities

Press Capacity

50 tons to 500 tons. We have a range of hydraulic presses to handle projects of all sizes.

Platen Size

Up to 900x900mm platen size for large parts and multi-cavity molds.

Max Part Size

Parts up to 800x800x100mm can be manufactured using our compression presses.

Material Range

All major rubber compounds including NBR, Silicone, EPDM, Viton, Neoprene, and Natural Rubber.

FAQ

Frequently Asked Questions

Compression molding, injection molding, transfer molding, and rubber-to-metal bonding with press capacity from 50T to 500T.
MOQ depends on the process: Compression from 100 pcs, Injection from 5000 pcs, Transfer from 500 pcs. Prototypes welcome.
Yes, we provide complete mold design and fabrication services. Our engineering team can design molds optimized for your part geometry and production volume.
We mold all major rubber compounds including NBR (Nitrile), Silicone, EPDM, Viton (FKM), Neoprene, Natural Rubber, and custom compounds formulated for specific properties such as high temperature, chemical resistance, or FDA compliance.
Using our compression molding presses, we can manufacture parts up to 800x800x100mm with a maximum weight of up to 10kg. Injection molded parts are typically limited to 2kg with our current press capacity.
Yes, we offer rapid prototyping with typical turnaround of 7-10 days. No minimum order quantity for prototypes. This allows you to test fit, function, and material compatibility before committing to full production.

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