What Is Chopped Strand Mat Used for?

Chopped strand mat, often abbreviated as CSM, is an important glass fiber reinforced mat used in the composites industry. It is made from fiberglass strands that are cut to specified lengths and bonded together with emulsion or powder adhesives. Due to its cost-effectiveness and versatility, chopped strand mats are used in a wide variety of industries.

One of the main uses of chopped strand mats is in shipbuilding. The mat is placed between layers of resin and woven fiberglass to create a strong and durable composite structure. The fibers of the mat overlap and interconnect to provide multi-directional support for the composite. The result is a lightweight, strong and robust structure that can withstand the elements such as water, wind and sunlight. The use of chopped strand mat revolutionized the boat building industry, making it an affordable choice for hobbyists and professionals alike.

CSM for shipbuilding

Another important application of chopped strand mats is the manufacture of automotive components. Automobiles require lightweight, high-strength components for improved performance and fuel efficiency. Chopped strand mat is used to reinforce various parts such as bumpers, spoilers and fenders. The mat is mixed with resin and then covered over the mould. When cured, the result is a strong, lightweight part ideal for use in cars.

CSM for auto components

Typically, chopped strand mat is used in any application that requires a component to be reinforced with glass fibers. It is commonly used in the construction of wind turbines, water tanks, pipelines and even in the production of surfboards. The mat’s excellent wet-out properties ensure that it absorbs resin completely, thereby enhancing the bond between fibers and resin. Additionally, the mat can be shaped to fit any mold or contour, making it ideal for complex part shapes.

In summary, chopped strand mat is a versatile, cost-effective and widely used glass fiber reinforced mat that is essential for the fabrication and production of various composite components. It can be used as an alternative to carbon fiber, offering similar structural advantages but at a much lower cost. The mat can be used to build boats, cars, wind turbine blades, tanks, pipes, and even surfboards. With its excellent wet-out properties and formability, it’s easy to see why chopped strand mats are so popular in the composites industry.


Post time: Mar-06-2023