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S-RM Series Glass Fiber Felt is a high-performance reinforcement material designed for SBS and APP modified bitumen waterproofing membranes, colored asphalt fiberglass shingles, and thermal insulation systems. With uniform fiber distribution and longitudinal reinforcement, it offers enhanced tensile strength, crack resistance, and durability. Compared to traditional felts, it resists high-temperature flow, low-temperature cracking, and aging, with excellent alkali resistance and impermeability. Given the product’s features and wide use, our company offers the S-RM-M series (glass fiber thin mat composite mesh cloth) and S-RMT series (glass fiber thin mat + PVC coating). These products have strong crack resistance and good corrosion resistance, making them ideal building material bases.
Technical Data
Product Code |
Area Weight (g/m²) |
Binder Content (%) |
Yam Distance (mm) |
Tensile Strength MD (N/5cm) |
Tensile Strength CMD (N/5cm) |
S-RM50 |
50 |
18 |
N/A |
≥170 |
≥100 |
S-RM60 |
60 |
18 |
N/A |
≥180 |
≥120 |
S-RM90 |
90 |
20 |
N/A |
≥280 |
≥200 |
S-RM-C45 |
45 |
18 |
15, 30 |
≥200 |
≥75 |
S-RM-C60 |
60 |
16 |
15, 30 |
≥180 |
≥100 |
S-RM-C90 |
90 |
20 |
15, 30 |
≥280 |
≥200 |
S-RM90/1 |
90 |
20 |
N/A |
≥400 |
≥250 |
S-RM95/3 |
95 |
24 |
N/A |
≥450 |
≥260 |
S-RM120 |
120 |
24 |
N/A |
≥480 |
≥280 |
Key Features
Excellent Fiber Distribution
Uniform mat structure enhances stability, consistency, and bonding strength with asphalt and coatings.
High Tensile and Tear Strength
Longitudinal reinforcement provides outstanding mechanical durability and dimensional stability during processing and application.
Superior Compatibility with Asphalt
Seamlessly integrates into SBS, APP, and colored asphalt formulations, enhancing adhesion and waterproofing performance.
Resistant to High and Low Temperatures
Overcomes the common drawbacks of traditional felts, such as deformation at high temperatures and brittleness at low temperatures.
Improved Alkali and Corrosion Resistance
Withstands chemical exposure, making it suitable for diverse environmental and construction conditions.
Long Service Life
Offers enhanced durability and aging resistance for long-term structural integrity.
Applications
Modified Bitumen Waterproofing Membranes
Used as a base layer in SBS and APP membrane production to reinforce mechanical strength and waterproofing properties.
Colored Asphalt Fiberglass Shingles
Serves as the structural core for aesthetic and durable roofing shingles, offering dimensional stability and long-lasting performance.
Roof Felts and Underlay Materials
Acts as a stable foundation layer for waterproofing and insulation on sloped or flat roofs, resisting deformation and leakage over time.
Thermal Insulation Systems
Applied as a reinforcing underlayer beneath insulation materials in walls and roofing for residential and commercial buildings.
Base Material for Composite Building Panels
The S-RM-M and S-RMT series are ideal for advanced construction needs that require excellent tensile strength, crack resistance, and corrosion protection.