Non-asbestos gasket sheet
Non-asbestos gasket sheet
Aohong supplies non-asbestos gasket sheet with sizes 1500×4500 mm, thickness 0.5–3 mm, pressure 9–18 MPa, and heat re.....
Aohong is a professional manufacturer of Non-asbestos gasket sheet products, designed as a safe and durable replacement for traditional asbestos-based sealing materials. Manufactured from aramid fiber, synthetic rubber, inorganic fillers, and additives, each sheet is processed with precision equipment to achieve excellent performance. The Non-asbestos gasket sheet offers outstanding resistance to high temperature, aging, oils, grease, and chemicals, making it an ideal solution for pipe flanges, compressors, HVAC systems, and industrial joints. Environmentally friendly and asbestos-free, it eliminates health hazards while providing long service life.
Material and Features
Composition: aramid fiber, oil-resistant rubber, inorganic fibers, and fillers
Properties: high mechanical strength, anti-aging, oil resistance, chemical stability
Options: steel wire net insertion and graphite coating for reinforcement
Environmentally safe: no asbestos content, compliant with modern health standards
Working Pressure Range
The Non-asbestos gasket sheet can handle 9.0–18 MPa, making it suitable for both medium and high-pressure sealing applications.
Working Temperature Range
Reliable operation in 150°C to 400°C
Maintains sealing efficiency under both moderate and extreme conditions
Thickness Options
Available in 0.5 mm – 3.0 mm thickness
Multiple choices ensure adaptability to various sealing needs
Standard Sizes
1500 × 4500 mm
1500 × 1500 mm
Custom dimensions available for special applications
Available Models
NNY150, NNY200, NNY250, NNY300, NNY350
Packaging
Packed on wooden pallets with net weights of 1000–2000 kg each
Safe and efficient handling for bulk transport
Applications of Non-asbestos Gasket Sheet
Oil and gas pipelines
Chemical and petrochemical industries
Air conditioning and refrigeration equipment
Power plants and high-temperature systems
General industrial machinery and flange joints
Standards Compliance
Manufactured in accordance with GB/T 3985-2008 to ensure quality and performance.
Item |
NXB200 |
NXB300 |
NXB350 |
NNY150 |
NNY250 |
NNY300 |
NNY350 |
|
Tensile strength MPa≥ |
6.0 |
8.0 |
11.0 |
8.0 |
10.0 |
12.0 |
15.0 |
|
Aging Coefficient ≥ |
0.9 |
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Density g/cm³ |
1.8～1.9 |
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Compressibility % |
12 ± 7 |
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Normal temperature Pliability |
Bend 180 degree on the round column (the column diameter is 12 multiple sample thickness), No crack |
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Rebound degree |
35 |
40 |
45 |
40 |
45 |
50 |
50 |
|
Worm change Relaxation rate % ≤ |
45 |
45 |
45 |
40 |
40 |
30 |
30 |
|
Dipped in IRM903 oil with 149℃ for 5 hours |
Horizontal Strain MPa≥ |
---------- |
4.0 |
6.0 |
8.0 |
9.0 |
||
---------- |
30 |
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Appearance change |
No air bubble |
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Dipped in ASTM fuel oil B with 21℃-30℃ for 5 hours |
Thickness increasing% |
---------- |
0～20 |
5～25 |
5～20 |
5～20 |
||
Pliability |
Bend 180 degree on the round column (the column diameter is 12 multiple sample thickness), No crack |
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Cauterization to the metal material |
---------- |
No Cauterization |
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Normal temperature oil Airtightness |
Medium pressure MPa |
---------- |
7.0 |
9.0 |
11 |
12 |
||
Airtightness request |
Keep for 30min, no leak |
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Nitrogen leakage rate [(ml/h.mm)] ≤ |
300 |
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