MPOL Penang

What We Are Here

 Mpol Precision Products Sdn Bhd is an OEM manufacturer that specializes in extrusion, molding, and other delicate products in the rubber industry. The company also caters to customers' and their end-users' specific requirements.

 

EXTRUSION

Rubber extrusion in Mpol Precision Products is a manufacturing process  that involves forcing raw rubber material through a die to create a specific cross-sectional shape. Here's a brief overview of the rubber extrusion process and some common finished goods produced:

 

1. Preparation: The process begins with selecting the appropriate rubber compound based on desired properties and application requirements. The rubber material is then prepped by heating it to a malleable state, which facilitates the extrusion process. 
2. Extrusion: The heated rubber material is fed into an extruder, which consists of a barrel and a screw. The screw rotates and pushes the rubber material forward, applying pressure to force it through a specially designed die. The die determines the final shape of the extruded rubber, which can vary from simple profiles (e.g., tubes, cords, seals) to more complex designs (e.g., gaskets, weather stripping).
3. Cooling and Shaping: After passing through the die, the extruded rubber is cooled to solidify its shape. Cooling can be achieved through water baths, air cooling, or other methods, depending on the specific rubber compound. Cooling is essential to maintain dimensional stability and prevent deformation.
4. Cutting and Finishing: Once the extruded rubber has cooled and solidified, it is cut to the desired lengths or shapes. Additional finishing processes, such as punching holes, notching, or applying adhesive tape, may be performed at this stage to meet specific product requirements.
5. Vulcanization/Curing: Many rubber extrusions undergo a vulcanization or curing process to enhance their physical properties. Vulcanization involves subjecting the extruded rubber to heat, pressure, or chemicals, which causes the rubber molecules to cross-link and form a stronger, more durable material. This step is crucial for achieving desired characteristics like resilience, elasticity, and resistance to heat, chemicals, or weathering.
6. Quality Control: Throughout the entire rubber extrusion process, quality control measures are implemented to ensure that the finished goods meet the required specifications and standards. This includes inspections, dimensional checks, and testing the physical properties of the extruded rubber. Any defects or deviations are identified and addressed to maintain consistent quality.

 

Moulding

 Rubber moulding compression is a popular manufacturing process used to create various rubber products, including gaskets, seals, O-rings, and other custom rubber components. The process involves several steps, which I will explain briefly:

1. Mould Design: A mould is designed based on the desired shape and dimensions of the final rubber product. The mould consists of two halves, a cavity, and a core.
2. Material Preparation: Raw rubber material is selected, which could be in the form of solid rubber or rubber compound mixed with additives and fillers to achieve desired properties. The rubber is typically preheated to enhance its flow characteristics.
3. Loading: The preheated rubber material is placed into the mould cavity. The amount of material used is carefully measured to ensure proper filling of the mould and the desired part dimensions.
4. Mould Closure: The two halves of the mould are brought together, enclosing the rubber material. The mould is designed in such a way that there are channels, called runners and gates, to allow the flow of excess material during the compression process.
5. Compression: The closed mould is placed into a hydraulic press or similar equipment. Pressure is applied to compress the rubber material within the mould. The pressure helps to distribute the material evenly throughout the mould cavity and eliminate any air pockets.
6. Vulcanization: Heat is applied to the mould, causing the rubber material to undergo vulcanization, which is a chemical process that transforms the rubber into a more durable and stable form. The heat and pressure together facilitate the cross-linking of polymer chains, resulting in the final rubber product's desired properties.
7. Cooling and De-moulding: After the vulcanization process, the mould is cooled down to solidify the rubber. Once cooled, the mould is opened, and the finished rubber product is removed.
8. Finishing: The finished rubber part may require additional post-processing, such as trimming excess material, surface treatments, or quality inspections to ensure it meets the desired specifications.

Overall, the rubber moulding compression process allows for the mass production of high-quality rubber parts with consistent dimensions and properties. It is a versatile and efficient manufacturing method widely used in various industries.