Seiler Plastics Corporation

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St. Louis, MO  |  888-673-4537

Since 1971, Seiler Plastics Corporation has established itself as one of the leading plastic extrusion and custom thermoforming companies in the United States. We offer a wide range of services including vacuum forming and have provided vacuum formed plastics to a wide range of industries with varying application purposes.

Vacuum Forming Power Pages

Thermoforming

Thermoforming

Thermoforming is the process of heating thin plastic sheets to its forming temperature and stretching it over a mold which takes its shape. After cooling and setting of the molded plastic sheet, each part will be separated from its batch to form a single unit or product...

Vacuum Forming

Vacuum Forming

The process of heating and shaping the plastic material using a vacuum is called vacuum forming. Vacuum forming is one of the oldest and cheapest methods for plastic molding and is widely used in our everyday life, from smaller objects to huge industrial machinery...

Blister Packaging

Blister Packaging

Blister packaging, or blister packs, are pre-formed packaging materials composed of a thermoformed plastic cavity and a pliable lid. In this type of packaging, the product is placed in deep-drawn pockets or cavities resembling a blister...

Plastic Molding Processes

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