What are Raw Materials Used for Produce FRP Grating

When customer decide to purchase the?FRP grating machine to produce?FRP grating, the important thing they want to know is how much it will be cost for one piece grating. The mainly cost factor include labor cost and raw material cost.,Today, let us tell you what are the main raw material it will be used for produce FRP gratings.

1.?Mainly raw material include

The raw materials used in the production of FRP grating mainly include:

• Resin (corrosion resistance, hardness)
• Glass fiber yarn (reinforced material, strength)
• curing agent
• Color paste
• Filler

2.?Description of each kind of raw material:

- Resin

Unsaturated polyester resin is a thermosetting resin, which can be cured into an insoluble and insoluble polymer network polymer under the action of heat or initiator. But this kind of polymer has very low mechanical strength and cannot meet the requirements of most applications. When reinforced with glass fiber, it can become a composite material, commonly known as "glass reinforced plastic".

- Glass fiber

Glass fiber is a kind of inorganic non-metallic materials with good performance. It has a wide variety of advantages. The advantages are good insulation, strong heat resistance, good corrosion resistance, and high mechanical strength, but the disadvantages are brittleness and poor wear resistance. It is made of glass balls or waste glass as raw materials through high-temperature melting, drawing, winding, weaving and other processes. The diameter of its monofilament is a few microns to more than 20 microns, which is equivalent to a hair strand. Of 1/20-1/5, each bundle of fiber precursor consists of hundreds or even thousands of monofilaments. Glass fiber is usually used as a reinforcing material in composite materials, electrical insulation materials and thermal insulation materials, circuit boards and other fields of the national economy.

- Curing agent

Curing agent also known as hardener, curing agent or setter, is a type of substance or mixture that enhances or controls the curing reaction. Resin curing is the process of irreversible change of thermosetting resin through chemical reactions such as condensation, ring closure, addition or catalysis. The curing is completed by adding a curing (crosslinking) agent.

- Color paste

Color paste is a semi-product made of pigments or pigments and fillers dispersed in paint. The oily colorant is called oily colorant with pure oil as the adhesive. The resin color paste that uses the resin paint as the adhesive is called the resin color paste. The pigment paste prepared by adding surfactant dispersion with water as the medium is called water-based color paste. As there are many types of paints, there are also many types of color pastes.

- Filler

Aluminum powder&Calcium carbonate.

Aluminum hydroxide, commonly known as aluminum powder, is very similar to stone powder(calcium carbonate), but the structure of aluminum powder is hollow, and the structure of stone powder is solid, so aluminum hydroxide can be better Fusion with a resin base, the FRP grating made has a certain degree of flame retardancy, the ribs are delicate and smooth, and the water absorption rate is low (~0.3%).

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