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Pultrusion

is a continuous process for manufacture of composite materials with constant cross-section.

The Process

In the standard pultrusion process the reinforcement materials like fibers or woven or braided strands are impregnated with resin, possibly followed by a separate preforming system, and pulled through a heated stationary die where the resin undergoes polymerization.

The impregnation is either done by pulling the reinforcement through a bath or by injectiong the resin into an injection chamber which typically is connected to the die. Many resin types may be used in pultrusion including polyester, polyurethane, vinylester and epoxy.

Resin provides the resistance to the environment, (i.e., the corrosion resistance, the UV resistance, the impact resistance, etc.) and the glass provides strength, in addition to safety from fire.

Pultrusion technology of manufacturing of fiber composites with polymer matrix is energy-efficient and resource-saving.

The Pultrusion Process

    1.  Continuous roll of reinforced fibers/woven fiber mat
    2. Tension roller&lt
    3. Resin Impregnator
    4. Resin soaked fiber
    5. Die and heat source
    6. Pull mechanism
    7. Finished hardened fiber reinforced polymer

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Products manufactured under this technology are widely used in the following industries:

1. In electrical power engineering for manufacturing of dielectric structures, fiberglass rods used in composite insulators and as supporting structures for elements of signaling blocks, and fiberglass profiles used in manufacturing of transformers and electric motors;

2. Also used in many other industries and plants; mechanisms, structures and materials, which meet high standards of chemical, dielectric and strength stability.

Durable

Resistant

Energy Efficient

Resource Saving

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