HVAC glass wool board
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- Product Description
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Manville® HVAC glass fiber board is made from uniformly fine and long glass fibers and an environmentally friendly binder through a special process. According to the required R-value, it is made into different types of high-hardness boards with different densities, up to 96kg/m3, suitable for external insulation and heat insulation of rectangular metal duct systems.
Manville® can provide various waterproof vapor barrier materials required for glass fiber boards, and they are factory-processed and laminated onto the glass fiber boards to meet the requirements of heat insulation and moisture resistance in various environmental situations.
Using Manville®'s duct glass fiber board can greatly reduce the heat loss of the duct wall and the operating costs of the HVAC system. It has a beautiful appearance and excellent heat insulation and moisture-proof performance.Physical Properties
Performance Test Methods Technical Requirements Operating Temperature Range ASTM C411 -18℃ to +232℃ Heat Load Shrinkage Temperature GB/T 11835
Appendix CNo less than 300℃ Corrosion Resistance ASTM C665 No chemical reaction Anti-mildew ASTM C665 No mildew Moisture Absorption ASTM C1104
CB 5480At 49℃, relative humidity 90%
No more than 3% of its weight
No more than 5% of its weightDensity (kg/m3)
Thermal Conductivity K (W/m·℃) 25℃
70℃GB 17795
GB 1335032 40 48 64
0.032 0.033 0.033 0.033
0.042 0.040 0.038 0.038Non-combustibility ASTM E84
B.S.476
China National Standard
GB 5464
GB 8624Flame spread: 25 Smoke density: 50
Part Six - Flame Spread
Part Seven - Flame Surface Spread
Note: Building regulations E15 part “0” level fire prevention standard
Non-combustible material
A2 level
Average temperature—refers to the arithmetic average of the temperature of the air inside the duct and the outside air.The above test conditions are all for glass fiber boards without facing, and the data are nominal values.
Data source: National Glass Fiber Product Quality Supervision and Inspection Center test report
PrecautionsPreventing condensation: Environmental temperature, relative humidity, duct operating temperature, and the thermal conductivity and thickness of the insulation material are the main parameters that determine condensation.
Energy saving: Preventing condensation is only the most basic requirement for insulation. To save energy and reduce operating costs, it is recommended to refer to energy-saving standards to select appropriate product specifications. To make product selection more accurate, it is recommended to contact the local sales personnel of this company. Manville will provide technical support services.
Correct installation: Please refer to relevant national standards, or contact local sales personnel. Manville will provide technical support services.
R-value: (at 25℃)Density (kg/m3)/Thickness (mm)
*R-value=Thickness/Thermal conductivity (unit: m2·℃/W) 32 40 48 64 25 0.78 0.75 0.76 0.78 30 0.94 0.90 0.91 0.94 40 1.25 1.21 1.23 1.25 50 1.56 1.51 1.53 1.56 Standard Specification Range
Density (kg/m3)
Thickness (mm) 32 40 48 56 64 80 96 Width (mm) 25 30 40 50 Length (mm) 600 Packaging is kraft paper box packaging or plastic bag packaging 1200 Welcome to inquire about the possibility of other specifications
Manville® bio-based environmentally friendly glass wool uses a new generation of corn syrup bio-based resin glass wool adhesive technology, mixed according to a certain ratio. It is softer and has better thermal conductivity than other types of glass wool on the market. The fiber diameter is only 5-6.5μm, so it feels softer, and installation will not cause irritation or itching. It is odorless, and because the material uses food-grade corn syrup bio-based resin, the product has no formaldehyde release and no VOC emissions, making it healthy and environmentally friendly. The product color does not add any pigments, it is a natural syrup brown color, with a faint caramel fragrance, and its performance in insulation and sound absorption is even more excellent.
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