An 80 gsm (grams per square meter) fiberglass mesh roll typically consists of several layers of fiberglass strands or yarns woven together to form a mesh pattern. Here's what you can generally expect in terms of content:
1. **Fiberglass Yarns or Strands**: These are the main component of the mesh. They are usually made of glass fibers that are spun into yarns or strands. These fibers provide the mesh with its strength and durability. The thickness and density of these yarns may vary depending on the intended use of the mesh.
2. **Resin Coating**: Fiberglass mesh is often coated with a resin to improve its stability and weather resistance. The resin coating helps protect the fiberglass fibers from damage due to exposure to moisture, chemicals, and UV radiation. Common resin materials include epoxy, polyester, or vinyl ester.
3. **Additives**: Depending on the specific requirements of the application, the fiberglass mesh may contain additives to enhance its performance. These additives can include UV stabilizers to prevent degradation from sunlight exposure, flame retardants for fire resistance, anti-static agents to reduce static electricity buildup, and colorants for aesthetic purposes.
4. **Roll Structure**: The mesh is typically wound into a roll for convenient storage and transportation. The width and length of the roll can vary depending on the manufacturer and the intended use of the mesh.
Overall, an 80 gsm fiberglass mesh roll consists of fiberglass yarns or strands woven together, coated with resin, and possibly containing various additives to meet specific performance requirements. This type of fiberglass mesh is commonly used in applications such as reinforcing plaster, stucco, and concrete, as well as in wall insulation and other construction projects where strength and durability are required.