Southwest Plastics Company

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Glendora, CA  |  626-963-6919

Southwest Plastics Company, located in Glendora, CA, is a trusted provider of injection molded plastics products and comprehensive manufacturing services. With decades of experience in the industry, we are committed to delivering high-quality plastic components to various industries.

We offer a diverse range of injection molded plastics products that cater to the unique needs of our customers. We specialize in designing and manufacturing custom plastic parts according to our clients' specifications. Our team of skilled engineers and technicians utilize advanced injection molding techniques to produce precise, durable, and high-quality plastic components. We work closely with our customers to ensure their exact requirements are met.

Quality is of utmost importance at Southwest Plastics Company. We have robust quality assurance processes in place to ensure that our products meet the highest industry standards. Our quality control team conducts thorough inspections and tests at every stage of production, ensuring that each component meets the specified requirements. We are committed to delivering products of exceptional quality and reliability.

Southwest Plastics Company is dedicated to providing outstanding injection molded plastics products and services, catering to the unique needs of our customers. We strive to deliver innovative solutions, exceptional quality, and reliable performance to support the success of our clients across various industries.

Injection Molded Plastics Power Pages

Overmolding

Overmolded Products

Many of the products used daily are made possible by producers and suppliers of rubber and plastic. These substances are robust, adaptable, and capable of practically any shape required for various industrial purposes...

Plastic Gears

Plastic Gears

A plastic gear is a toothed wheel made up of engineering plastic materials that work with others to alter the relation between the speed of an engine and the speed of the driven parts. The engineering plastic materials used in manufacturing plastic gears can be...

Plastic Injection Molding

Plastic Injection Molding

Plastic injection molding, or commonly referred to as injection molding, is a manufacturing process used in the mass fabrication of plastic parts. It involves an injection of molten plastic material into the mold where it cools and...

Plastic Overmolding

What is Overmolding

Plastic overmolding is a manufacturing process that involves combining two or more plastic materials to create a single, unified part. The process enhances the functionality, durability, and aesthetics of plastic components by...

Thermoplastic Molding

Thermoplastic Molding

Thermoplastic molding is a manufacturing process that works to create fully functional parts by injecting plastic resin into a pre-made mold. Thermoplastic polymers are more widely used than thermosetting...

Blow Molding

Blow Molding Animation

Blow molding is a type of plastic forming process for creating hollow plastic products made from thermoplastic materials. The process involves heating and inflating a plastic tube known as a parison or preform. The parison...

Polyurethane Molding

Polyurethane Molding

Polyurethane molding is the process of fabricating or manufacturing plastic parts by introducing a urethane polymer system into a tool or mold and allowing it to cure. Like any other type of plastic, the excellent processability...

Rotational Molding

Rotational Molding

Rotational molding, commonly referred to as "rotomolding", is a plastic casting technique used to produce hollow, seamless, and double-walled parts. It uses a hollow mold tool wherein the thermoplastic powdered resin is heated while being rotated and cooled to solidify...

Urethane Casting

Urethane Casting

Urethane casting is the process of injecting polyurethane and additive resins into a soft mold usually made of silicone elastomer. The casting process is similar to injection molding; injection molding differs by using hard, metal molds...

Plastic Molding Processes

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