Fiberglass Molding

A reliable source for Fiberglass Fabrication information and leading Fiberglass Fabrication Companies

There are many different fiberglass molding processes, including compression molding, blow molding, rotational molding, injection molding and dip molding, among others. Read More…

Fiberglass Molding Fiberglass molding represents the process of shaping fiberglass products using a hollowed form. Fiberglass moldings can also be created when solid materials are pressed into a die form.

Leading Manufacturers

Mobile, AL  |  800-226-1134

With over 100 years combined experience, All Plastics and Fiberglass has the experience to handle all your fiberglass needs. No matter how large or small the job is, AP & F is committed to a process that ensures the highest quality fiberglass fabrications.

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All Plastics and Fiberglass, Inc. $$$

Wapato, WA  |  509-877-2228

Amtech is a fiberglass fabricator of composite-based products and parts for the military and commercial markets. We manufacture fiberglass products and fiberglass parts for clients throughout the Western United States. Services include open face fiberglass molding and the use of 40 foot lay up booths.

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Amtech Corporation, Inc. $$$

Wichita, KS  |  316-264-9541

Fiber Dynamics is a leading provider of out-of-autoclave processed components, specializing in RTM, for over 20 years. Our capabilities include turn-key production solutions with design, tooling, machining, fabrication and assembly processes. These capabilities, plus world-class operational management, AS9100 / NADCAP accreditation make FDI an outstanding solutions partner for our customers.

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Fiber Dynamics, Inc. $$$

Ardmore, OK  |  580-389-5421

Since the 1950’s, Beetle Plastics has been a designer and manufacturer of composite and fiberglass products. We specialize in cooling tower piping, and also offer fiberglass tanks, vessels, and processing equipment. We offer composite and fiberglass fabrication to meet your needs.

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Beetle Plastics, LLC $$$

Geneva, OH  |  440-466-4876

Major OEM distributors know that Hadlock Plastics specializes in meeting tough requirements and high volume demands while lowering costs. With full in house prototyping, engineering, machining and finishing services, our fiberglass products are ISO 9001 certified and made to last. We offer the equipment, services, expertise and manufacturing capacity to keep your project running smoothly.

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Hadlock Plastics Corporation $$$
placeholder image All Plastics and Fiberglass, Inc. Amtech Corporation, Inc. Fiber Dynamics, Inc. Beetle Plastics, LLC Hadlock Plastics Corporation

Since its introduction, fiberglass has been used as a reinforcing agent for plastics and as insulation in buildings, homes, stoves, refrigerators, furnaces and in many other applications throughout industry, commerce and in consumer products contexts. Fiberglass moldings are low weight, high strength and scratch resistant. Many boat hulls, go-kart bodies, large storage tanks and automobile parts can be made of molded fiberglass.

Fiberdome Resin Transfer Molding Fiberglass Molding - Fiberdome, Inc.

Fiberglass molding can be used to make fiberglass sheets, panels, pipes and a wide variety of other shapes. A range of different fiberglass compositions are available to suit the many contexts in which fiberglass moldings are applied. Just a few of these compositions include E-glass, A-glass, E-CR-glass, C-glass and R-glass, each of which features its own properties of strength, durability, UV and corrosion resistance, optical clarity and color.

The three main methods of fiberglass molding are open molding, closed molding, and centrifugal molding. In open molding, a layer of gel coat is applied and cured in a one-piece mold or structure. After being layered into the mold, the fiberglass and sprayed resin are allowed to cure. During closed molding the initial gel coat is applied in a two-part mold.

Fibers in the form of chopped fibers or laminated sheets are sprayed or placed in the female part of the mold on top of the gel coat. The part cures after being sealed in the mold by a vacuum and having catalyzed resin injected into the pressurized mold. In centrifugal molding, the gel coat is applied to the sides of a spinning cylindrical mold.

Layer by layer, catalyzed resins saturated with short fibers are sprayed into the mold until the desired thickness is reached. Centrifugal molding is used to form cylindrical products such as pipes and tanks. In all three processes, the end products are extracted from their molds and subject to any necessary surface treatments or other finishing processes.

Fiberglass Molding Informational Video