What are the types of wet-laid felts?

　　Wet-laid felt types can be primarily categorized into the following groups based on their applications:

　　Roofing felt

　　Used as a base material for roofing waterproofing, such as modified asphalt waterproofing membranes and colored asphalt shingles, among others.

　　Floor felt

　　As a base material for flooring applications, it is commonly used in PVC flooring, carpet backings, and similar products.

　　Wall felt

　　Used as a wall reinforcement or decorative material, it prevents paint from cracking and is ideal for high-end spaces such as conference rooms and hotels.

　　Pipe felt

　　Used for coating oil and natural gas pipelines, combined with asphalt to prevent corrosion.

　　Copper-clad laminate felt

　　Attached to the copper-clad board to enhance its punching and drilling performance.

　　Battery separator felt

　　Used as a base material for lead-acid battery separators.

　　Insulation felt

　　Featuring a low thermal conductivity, it is used for insulation in high-temperature environments (such as fiberglass insulation blankets).

　　Surface Treatment Felt

　　Used in the surface layer of fiberglass products to enhance product performance.