Industrial-Grade Non-Asbestos Sealing Sheets for Hydrocarbon Service
Compatible With Crude Oil, Natural Gas & Steam Systems, Safe & Asbestos-Free for Oilfield Use
H1 – Product Introduction
This industrial-grade non-asbestos sealing sheet is specially engineered for hydrocarbon service in oilfields, crude oil pipelines, natural gas transmission systems, and combined steam facilities. Formulated with high-tenacity aramid fibers and oil-resistant elastomeric binders, it provides stable, long-lasting sealing performance under severe pressure, thermal cycling, and continuous exposure to petroleum-based media.
Fully asbestos-free and designed for safe field operation, this material meets strict health, safety, and environmental standards for oil & gas production, transportation, and processing facilities. It delivers reliable sealing for crude oil, natural gas, fuel mixtures, steam, and associated process fluids — making it ideal for oilfield operations, compressor stations, pipeline flanges, and energy infrastructure in major oil and gas-dependent regions.
H2 – Core Performance Benefits
- 100% asbestos-free composition for safe oilfield and industrial use
- Excellent resistance to crude oil, natural gas, hydrocarbons, and petroleum derivatives
- Stable sealing under high temperature, high pressure, and repeated thermal cycling
- Low stress relaxation to maintain bolt load and reduce leakage risk in long-distance pipelines
- Strong compatibility with steam systems and mixed oil‑gas‑steam service conditions
- Easy to cut, machine, and install for on-site maintenance and project installation
H2 – Material Structure & Production Method
Produced via precision hot-compression molding to ensure uniform density, consistent mechanical properties, and reliable sealing across the entire sheet.
| Component |
Description |
| Reinforcing Fiber |
High-modulus aramid fiber for pressure and fatigue resistance |
| Elastomer System |
Oil-resistant nitrile rubber (NBR) for hydrocarbon compatibility |
| Forming Method |
Controlled high-temperature thermal compression |
| Asbestos Content |
0% — fully non-asbestos and certified safe for oilfield use |
H2 – Operating Range & Service Capability
Optimized for harsh oilfield and hydrocarbon environments, with wide thermal and pressure tolerance.
| Parameter |
Service Range |
| Operating Temperature |
−50°C to +350°C (grade dependent) |
| Maximum Static Pressure |
Up to 20 MPa |
| Suitable Media |
Crude oil, natural gas, LPG, steam, water, fuel oils, process gases |
| Chemical Resistance |
Hydrocarbons, lubricants, crude oil fractions, mild solvents |
H2 – Available Grades & Thermal Classes
Three performance grades tailored for oil, gas, steam, and mixed oilfield applications.
| Grade Code |
Continuous Temperature |
Intermittent Peak |
Typical Applications |
| HCS150 |
−30°C to +150°C |
+180°C |
Gas gathering lines, oil pumping units, hydraulic systems |
| HCS250 |
−50°C to +250°C |
+300°C |
Main oil pipelines, natural gas stations, heat exchangers |
| HCS350 |
−20°C to +350°C |
+400°C |
Steam-assisted oil systems, high-temperature process flanges |
H2 – Mechanical & Physical Characteristics
| Property |
HCS150 |
HCS250 |
HCS350 |
| Tensile Strength (MPa) |
≥7.0 |
≥8.0 |
≥10.0 |
| Compressibility (%) |
7–17 |
7–17 |
7–17 |
| Recovery (%) |
≥40 |
≥45 |
≥50 |
| Stress Relaxation (%) |
≤40 |
≤35 |
≤30 |
| Density (g/cm³) |
1.8 ± 0.1 |
1.8 ± 0.1 |
1.8 ± 0.1 |
H2 – Fluid Resistance & Flexural Performance
| Test Condition |
Result |
| Ambient Flexibility |
No cracking after 180° bending |
| ASTM Oil No.3 (150°C / 5h) |
Good tensile strength retention |
| Oil Weight Increase |
≤30% |
| ASTM Fuel B Immersion |
Thickness change 0–20% |
| Post-Immersion Flexibility |
No surface cracking or delamination |
H2 – Dimensions, Thickness & Custom Supply
| Thickness Range |
Standard Sheet Sizes (mm) |
Custom Availability |
| 0.5–5.0 mm |
1270×1270 / 1500×1500 |
Roll material available |
| Tolerance |
±0.1 mm |
CNC and die-cut gaskets |
| Large Formats |
1270×3810 / 1500×2000 |
Custom shapes & geometries |
| OEM Supply |
1500×4500 |
Customer drawing support |
H2 – Typical Application Fields
Designed especially for oilfield and hydrocarbon‑related systems:
- Crude oil transmission pipelines and flange connections
- Natural gas gathering, compression, and distribution stations
- Oilfield wellheads, manifolds, separators, and processing equipment
- Combined steam, oil, and gas process systems
- Refinery unit flanges and petrochemical fluid lines
- Onshore and offshore oil/gas facility maintenance
H2 – Quality Assurance & Regulatory Compliance
- ISO 9001:2015 certified quality management
- Independently verified 0% asbestos content
- Compliant with international environmental and safety standards
- Tested according to ASTM F104 / F104M for sealing materials
- Suitable for use in oilfield projects and energy infrastructure worldwide
H2 – Packaging & Logistics
- Moisture-resistant vacuum packaging for long-term storage and transport
- Export-grade palletized packing for reliable overseas delivery
- Supplied as full sheets or pre-cut gaskets for direct installation
- Full technical datasheets, test reports, and compliance documents available
H2 – Frequently Asked Questions
Q1: Is this sealing sheet suitable for crude oil and natural gas service?
A: Yes. It is specially formulated for hydrocarbon environments and compatible with crude oil, natural gas, fuel oils, and associated petroleum media.
Q2: Can it be used in combined steam and oil systems?
A: Yes. Selected grades perform reliably in mixed steam, oil, and gas conditions commonly found in oilfields and process plants.
Q3: Are custom-cut gaskets available for oilfield projects?
A: Yes. We provide custom sizes, thicknesses, CNC-cut shapes, and project-specific gasket fabrication to match pipeline and equipment requirements.
Q4: Is this product safe for use in oilfield operations?
A: Yes. It is completely asbestos-free, meets industrial safety standards, and is approved for use in production, pipeline, and processing environments.
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