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Address: Weiye International Building, Yixian Road, Dali Town, Nanhai District, Foshan City
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Glass Fiber Reinforced Gypsum (GFRG) board is a type of building material made from a combination of gypsum plaster and glass fiber reinforcement. It is commonly used in the construction industry for creating interior walls, ceilings, and architectural features.
The manufacturing process involves mixing gypsum plaster with water and reinforcing it with chopped glass fibers. The mixture is then poured into molds and cured under controlled conditions to create large panels. The panels are then cut to size and finished with a smooth surface on both sides.
The resulting GFRG board is strong, lightweight, and fire-resistant, making it an ideal choice for applications where high strength and durability are required. It also has excellent sound insulation properties and can be easily shaped and molded to create various design elements.
GFRG panel possesses high flexural strength, shearing strength, compressive strength, and flexibility. It has a very high level of resistance to fire, water, heat, corrosion, rot, and termites. Concrete filled with vertical reinforcement rods improves it’s vertical and lateral load capacities. GFRG made buildings are resistant to fire, earthquakes, and cyclones.
| Matrix | Glass Fiber Reinforced Gypsum (GFRG) Panel |
| Glass Fiber | 5-6% weight, Type E 38% by volume |
| Thickness | 3/16” Nominal |
| Flexural Strength | 10, 660 PSI |
| Modulus of Elasticity | 1.43 X 10^6 PSI |
| Ultimate Tensile Strength | 2, 250 PSI (ASTM D638) |
| Modulus of Elasticity | 3.87 X 10^6 PSI |
| Flammability (ASTM E84-81A): | Flame Spread Index -0 Smoke Developed Value -0 Fuel Contributed -0 |
| Impact Strength (ASTM D256) | 12.9 ft. lb/in |
| Thermal Conductivity (ASTM C518) | “C” of 1.56 BTU/hr. ft^2 0F |
| Barcol Hardness (ASTM D2583) | 64 |
| Rockwell Hardness (ASTM D785) | 98.8 ‘M’ Scale |
| Density | 106.4 lbs/ft. ^3 |
| Thermal Coefficient of Expansion (ASTM D696) | 5.4X10^6 in. /in/ /0f |
| Compressive Strength (ASTM C39/C109) | 7, 080 PSI |
| Water Resistance (ASTM C473) | 12.5% Weight Gain |
| Humidified Deflection (ASTM C473) | 1/8” |
| Toxicity NBS/U.S. Testing | Non-Toxic |
Glass Fiber Reinforced Gypsum (GFRG or GRG) is the most economical Formglas material and is used in a range of architectural applications such as ceilings, column covers, decorative wall panels, domes, bulkheads, light coves, and more.
Grade and Type- GFRG panel may be supplied in any of the following three grades :
1) Class 1- Water Resistant grade – panels that may be used for external walls, in wet areas and/or as floor and wall formwork for concrete filling; 2) Class 2 – General grade -- panels that may be used structurally or non-structurally in dry areas. These panels are generally unsuitable for use as wall or floor formwork;
3) Class 3 – Partition grade – panels that may only be used as nonstructural internal partition walls in dry areas only.
