300 g/m2 FiberGlass Chopped Strand Mat

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China main port
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1 kg
Supply Capability:
5000 kg/month
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Product Description:

300 g/m2 FiberGlass Chopped Strand Mat

Surfacing Tissue mainly used in the surface layers of FRP products. It features even Fiber distribution, soft feel, level and smooth fiber surface, less glue content, quick resin soak and good pattern fitness. It can improve the product surface property on corrosion resistance, compressive strength, seepage resistance, and longer service life. It is also suitable for spraying; pattern pressing and other FRP pattern technology.

Surfacing Tissue mainly used in the surface layers of FRP products. It features even Fiber distribution, soft feel, level and smooth fiber surface, less glue content, quick resin soak and good pattern fitness. It can improve the product surface property on corrosion resistance, compressive strength, seepage resistance, and longer service life. It is also suitable for spraying; pattern pressing and other FRP pattern technology.

Product Features:
Fast breakdown in styrene
Fiber dispersed evenly
Low binder content
Superior acid corrosion resistance


Over Density

Moisture Content

Chop Density

Polyester Yarn

































Product Packaging:
Each Surface Tissue is wound onto a paper tube which has an inside diameter of 76mm and the mat roll has a diameter of 330mm. The mat roll is wrapped up with plastic film,and then packed in a cardboard box or wrapped up with kraft paper. The rolls can be vertically or horizontally placed. For transportation, the rolls can be loaded into a cantainer directly or on pallets.

300 g/m2 FiberGlass Chopped Strand Mat
Product Storage:
Unless otherwise specified, Chopped Strand Mat should be stored in a dry, cool and rain-proof area. It is recommended that the room temperature and humidity should be always maintained at 15℃~35℃ and 50%~75% respectively.

Company Information

CNBM (China National Building Material) Group is the largest comprehensive building materials group in China that in integrate scientific research, manufacturing and logistics into one entity. The largest building materials and equipment specialists in China. Upon State Council approval, today CNBM owned more than 300 subordinate manufacturing factories and servicing companies. There are 6 fully owned public listed companies and 11 partially owned with substantial shares public listed companies. In many of these fields, CNBM is playing the leading role in the building industry in the country.


Yes, fiberglass chopped strand is compatible with polyester resin. Both materials are commonly used together in various applications such as boat building, automotive parts, and construction. Polyester resin is a popular choice for bonding and reinforcing fiberglass chopped strand because it provides good adhesion, strength, and durability. The resin encapsulates the chopped strands, creating a strong composite material. However, it is important to note that the compatibility also depends on the specific type and brand of fiberglass chopped strand and polyester resin being used, so it is always recommended to check the manufacturer's guidelines and conduct a small-scale test before proceeding with a larger project.
Fiberglass chopped strand is commonly used in the construction industry as a reinforcement material. It is added to concrete, cement, or other composite materials to enhance their strength, durability, and resistance to cracking. The chopped strands provide reinforcement by distributing evenly throughout the mixture, creating a strong and cohesive structure. This versatile material is utilized in various construction applications such as roofing, flooring, insulation, and precast elements.
The production of fiberglass chopped strand involves several steps. Initially, high-quality glass fibers are carefully selected, typically made from silica sand, limestone, and soda ash. These raw materials are then melted at extremely high temperatures, reaching up to 1600 degrees Celsius, in a furnace. Once the glass has melted, it transforms into a molten state and is subsequently forced through small openings in a device called a bushing. These openings, which possess specific diameters and shapes, shape the molten glass into continuous filaments. As the filaments emerge from the bushing, they are rapidly cooled using a stream of cool air. This cooling process, known as attenuation, solidifies the molten glass, transforming it into solid fibers. These fibers are then collected onto a high-speed rotating drum or a conveyor belt. The subsequent step involves the application of a sizing material to the fibers. This sizing material, a chemical solution, serves to protect the fibers from abrasion and enhance their compatibility with various resin systems. Additionally, it aids in binding the fibers together during subsequent processing. After the sizing material is applied, the fibers are chopped into short lengths utilizing a mechanical cutting mechanism. This chopping process, known as chopping, can be accomplished through various methods, such as rotary cutters or reciprocating blades, depending on the desired length of the chopped strands. The chopped strands are then gathered and prepared for distribution. They find utility in a range of applications, including reinforcing thermoplastics, thermosetting resins, and construction materials, thanks to their advantageous properties of high strength and flexibility. In conclusion, the production of fiberglass chopped strand encompasses the melting of glass raw materials, the extrusion of molten glass into continuous filaments, the cooling and collection of filaments, the application of sizing material, the chopping of fibers into short lengths, and the packaging of the final product for diverse industries.
Yes, fiberglass chopped strand is generally resistant to UV radiation. The resin used in fiberglass production is typically formulated to withstand exposure to sunlight and other environmental factors, including UV radiation. However, the level of UV resistance can vary depending on the specific type of resin used and the manufacturing process. In some cases, additional protective coatings or treatments may be applied to enhance the UV resistance of fiberglass chopped strand. It is always advisable to consult the manufacturer's specifications or technical data sheets to determine the exact UV resistance of a specific fiberglass product.
Yes, fiberglass chopped strand typically requires a special surface treatment before use. This treatment, such as applying a sizing or coupling agent, helps to improve the adhesion and compatibility of the fibers with the resin matrix during the composite manufacturing process.
The chopping method of fiberglass chopped strand has a significant impact on its performance. The length and consistency of the chopped strands can affect the strength, stiffness, and overall mechanical properties of the fiberglass. Properly chopped strands with consistent lengths and distribution enhance the dispersion and adhesion within the resin matrix, leading to improved mechanical properties and overall performance of the fiberglass composite.
Resins require low viscosity and are easy to operate manually. (2) The raw material is unsaturated polyester resin. Pay more attention to the lap joint when laying up. Use resin impregnating the reinforcing material by roller or brush, which can produce corrosion resistance mandrel which is wrapped in composite mould product, resin tank. (3) Advantages 1) As the fiber is directly laid in liner way. It can prevent the wrinkles, but the cost of the mandrel is too high. Although the composite products are usually single shell. When producing tube tank, use roving. (4) Disadvantages 1) It belongs to labour intensive production. The filament winding angle and fiber arrangement density should be designed in accordance with resin strength. Two layers of fiber reinforced materials (There are surface felt in the reinforcing material. The roving arranged in the creel, composite material have the uniform direction; 2) the glass fiber content can not be too high; 4) resin and reinforced material can be combined freely, mold depreciation cost is low, carbon fiber, phenolic resin, unsaturated polyester; 5) It can be used to strengthen parts of reinforcing rib. Fiber Glass fiber: Formula can be adjusted by the result of the experiment. Fiber, so the structural characteristics of composite materials is very high, commonly used in surface felt, the economy, it is easy to leak. Some of the products do not use demould and feeding mouth; 6) Gel coat can get a free color and smooth surface (if open moulding, one side will be rough)
Yes, fiberglass chopped strand is compatible with polyurethane resin. Polyurethane resin is a versatile material that can be used with a variety of reinforcement fibers, including fiberglass chopped strand. The compatibility between the two materials allows for the creation of strong and durable composite products. The fiberglass chopped strand provides the necessary strength and reinforcement, while the polyurethane resin acts as the matrix material that binds the fibers together. This combination results in a composite material that is lightweight, resistant to impact and corrosion, and has excellent mechanical properties.
The fiber content in chopped strand composites has a direct influence on the coefficient of thermal expansion. As the fiber content increases, the coefficient of thermal expansion tends to decrease. This is because the fibers provide reinforcement and resistance to thermal expansion, leading to reduced expansion and contraction of the composite material. Therefore, higher fiber content generally results in lower coefficients of thermal expansion in chopped strand composites.
Yes, fiberglass chopped strand is water-resistant.

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