Name: FRP Flat Strip or Board Pultrusion Mold: Precision Dies for High-Strength Fiberglass Profiles
Brand: Tolike
SKU: FRP Flat Strip,Board Pultrusion Mold
Price: 4000 USD
Availability: InStock

FRP Flat Strip or Board Pultrusion Mold: Precision Dies for High-Strength Fiberglass Profiles

Tolike is a professional FRP Flat Strip or Board Mold manufacturer and supplier. Our pultrusion dies are built with P20H steel and high-precision machining for flat strips and flat boards. They solve the problem of unstable dimensions and rough surfaces in flat profile production.

Material	FRP
Shape	Flat Bar
Sizes	Various
Customization	Available
Price	Competitive
Application	Molding
Durability	High
Features	Various sizes, Customizable shapes, Competitive prices, High grade

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FRP Flat Strip or Board Mold for Custom Fiberglass Pultrusion

Our pultrusion dies are designed for producing flat bars, strips, rectangular profiles, and customized FRP boards with consistent cross-sectional dimensions. We consider profile drawings, resin systems, reinforcement structures, heating requirements, and production equipment compatibility during mold development. Suitable for various industrial composite applications, our custom fiberglass flat profile molds help customers meet specific product requirements. As an FRP pultrusion mold supplier, TOLIKE also provides technical guidance on mold matching, installation, commissioning, and production process optimization.
If you’re producing flat FRP strips or boards and need a mold that fits your line and holds tight tolerances, send us your drawing. We’ll review it and come back with a quote.

Mold name	FRP Flat Strip Pultrusion Mold
Specification	1505mm (Customizable)
Material	P20H Steel, base hardness HRC 34–38
Cavity Surface Treatment	Quenching & tempering, hard chrome plating, nitriding
Cavity Hardness (Laser Quenched)	HRC 55+
Cavity Hardness (Chrome Plated)	HRC 58–62
Applicable Resin	Unsaturated polyester, vinyl ester, epoxy, phenolic, polyurethane
Straightness	0.02 mm
Surface Roughness	Ra 0.025–0.05 μm
Hardened Layer Depth	0.5–0.8 mm (laser quenching)

Custom FRP Flat Bar and Fiberglass Board Pultrusion Die

An FRP flat strip mold is not simply a cavity with a rectangular shape. Its design must account for the material flow, fiber arrangement, curing behavior, dimensional tolerances, and operating conditions required by the finished profile.

For flat-section products, even small variations in thickness, width, or surface finish can affect downstream assembly and application performance. Proper tooling design helps establish the required cross-sectional geometry and supports repeatable production when the raw materials and process parameters are controlled consistently.

TOLIKE develops customized pultrusion tooling according to the specific profile requirements provided by the customer.

The design process may consider:

Profile dimensions

Required width, thickness, length, and cross-sectional tolerances.

Material system

Resin type, reinforcement materials, and relevant curing characteristics.

Fiber arrangement

The reinforcement structure needed to meet the intended mechanical requirements.

Mold heating

A suitable heating arrangement based on the die design and curing process.

Surface requirements

The required finish and dimensional consistency of the final FRP strip or board.

Production conditions

Target speed, machine configuration, and operating requirements.

By evaluating these factors together, the mold can be designed for the intended application rather than relying on a generic flat-profile configuration.

How FRP Flat Strip or Board Mould Works

An FRP flat strip or board mold is a pultrusion die used to produce flat fiberglass profiles with a consistent cross-section.

The process works like this:

Continuous glass fibers are pulled through a resin bath, where they are fully impregnated. The wet fibers then enter the heated die cavity, which shapes the material into a flat strip or board and cures the resin as it passes through.

The die itself does two jobs: it controls the profile’s width, thickness, and straightness, and it transfers heat to cure the resin. The cavity surface is precision-machined and polished, so the finished profile comes out smooth and dimensionally stable.

After the die, the cured profile is pulled forward and cut to the required length. The result is a flat FRP strip or board with consistent dimensions, a clean surface finish, and reliable mechanical performance.

FAQ

The service life of an FRP board pultrusion die is usually evaluated by production output, operating conditions, and cavity wear rather than calendar time alone. Key factors include mold steel grade, surface hardness, surface treatment, resin formulation, glass fiber content, production speed, and maintenance practices. Signs of wear may include surface scratches, dimensional deviations, or increased resin sticking. Regular inspection and appropriate cleaning can help extend die service life. TOLIKE can review your profile specifications and production conditions to help assess suitable mold materials and maintenance requirements.

When sourcing a custom FRP flat profile die, look for a manufacturer with pultrusion tooling experience, precision machining capabilities, and an understanding of resin curing and fiber reinforcement. Check whether the supplier can manufacture dies according to technical drawings, confirm compatibility with your existing pultrusion equipment, and provide technical support after delivery. TOLIKE offers customized pultrusion molds for flat strips, flat bars, boards, and other FRP profiles. Customers can submit profile drawings and equipment specifications for a technical review and quotation.

Standard molds generally do not include heating plates; however, accessories such as fixtures and heating plates can be provided through custom orders.

Yes. Before manufacturing, we confirm die dimensions, mounting arrangement, heating connections, and pulling parameters to match your pultrusion machine. This reduces installation issues on site.

To obtain an accurate quotation, provide a 2D or 3D profile drawing with dimensions and tolerances, the resin and reinforcement specifications, the target production speed, and the pultrusion machine model or installation details. You should also specify surface finish requirements, expected production volume, and any special quality criteria. These details help the manufacturer evaluate the tooling design, material selection, heating requirements, manufacturing schedule, and overall project cost.