Equipment in plant to custom manufacture rubber and other polymer products are several molding processes including injection molding, transfer molding, compression molding, and silicone injection molding.

Orient’s educated team executes these molding processes with state-of-the-art machinery to deliver custom products for a variety of industries.

Compression Molding
Compression molding is a method in which molding material is placed in an open, heated mold cavity. Once the mold is closed by a plunger, the molding material is softened by applying heat and pressure, which causes the rubber to conform to the shape of the mold. Heat and pressure are maintained until the rubber product is cured. To reduce excess flash, molding materials are often preheated before inserted in the cavity mold.
The compression molding process begins by injecting the appropriate amount of molding material over the molded cavity. The mold is closed applying pressure and heat. An ejector pin or knockout pin is inserted in the bottom of the mold that quickly pushes the custom molded component out of the cavity.
With the ability to custom mold rubber and polymer components using compression molding, injection molding and transfer molding, the ISO certified company Orient employs the appropriate method for your needs.

Transfer Molding
Transfer molding is similar to compression molding in that the process begins with pre-measured, heated molding materials placed into a pot. A plunger forces the molding material through the gate and sprues, spreading to the channels of mold cavities. The mold remains closed until the cavities have been filled and the curing process is complete.
There are several advantages of transfer molding. More intricate rubber components are manufactured by transfer molding because unlike compression molding, a closed mold is used. Tooling of transfer molding is highly accurate and the entire process has a relatively low cycle time.
With the ability to custom mold rubber and polymer components using compression molding, injection molding and transfer molding, the ISO certified company Orient employs the appropriate method for your needs.

Injection Molding
Injection molding is the method of custom molding rubber products by heating materials, mixing them and injecting them under pressure into a mold cavity. Material is injected into a mold cavity from an injection unit through a system of runners and gates. The rubber is cured in the mold until the vulcanization process is completed. Once the product is cured, it is ejected from the mold cavity so the process starts again.
Injection molding is the most efficient and cost-effective method of custom rubber molding. Rubber injection molding produces a high yield of durable rubber components. Orient maintains high quality parts and significantly reduces all waste material through a consistent vulcanization process involving precise temperature control.
With the ability to custom mold rubber and polymer components using compression molding, injection molding and transfer molding, the ISO certified company Orient employs the appropriate method for your needs.

Silicone Molding
Silicone is a polymer that acts just like an elastomer as it can be very elastic and flexible. Silicone rubber is a material used for high quality parts due to its low compression set, stability and high heat resistance. Silicone rubber is often used in overmolding onto other rubber or polymer products.
Silicone molding is the preferred injection molding process for products such as seals, membranes, infant products and certain types of bellows, gaskets and o-rings. Silicone rubber products are able maintain structural integrity when placed under extreme heat and pressure.
With the ability to custom mold rubber and polymer components using compression molding, injection molding and transfer molding, the ISO certified company Orient employs the appropriate method for your needs

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