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Product Advantage
With a temperature resistance range of -40℃ to 120℃, it maintains structural stability in both low-temperature refrigeration pipelines (e.g., chemical refrigerant pipes) and medium-temperature tanks (e.g., oil transfer tanks). Compared with ordinary nonwovens (temperature resistance -20℃ to 80℃), its applicable scenarios are expanded by 50%, perfectly meeting the working condition requirements of industrial pipeline protection layers.
After acid-alkali immersion test (72h in pH3-11 environment), the tensile strength retention rate is ≥90%, which can effectively isolate moisture, dust and mild corrosive media (e.g., volatile substances in chemical workshops) in industrial environments, reducing oxidation and rust on the outer wall of pipelines/tanks, extending the equipment maintenance cycle by 6-12 months, and enhancing the practical value of filament heavy-denier nonwoven protection layers.
With longitudinal tensile strength ≥15kN/m and tear strength ≥0.9kN, when the pipeline is slightly impacted by external forces (e.g., scratches from construction equipment), it can absorb more than 70% of the impact force, avoiding damage to the outer wall coating; its soft texture can fit the pipeline surface tightly without wrinkles and gaps, solving the fitting problem of pipeline curved surface protection layers.
The surface porosity is controlled at 25%-30%, which can not only closely bond with anti-corrosion coatings such as coal tar epoxy and polyurethane (adhesion ≥0.5MPa) but also not affect the coating curing and drying; the rolled design (20-50m/roll) combined with cuttable characteristics allows per capita daily laying length of over 300m during construction, 40% more efficient than traditional glass cloth construction.
Made of formaldehyde-free eco-friendly raw materials, it has no pungent odor during construction, meeting industrial environmental standards; it can be used continuously for more than 5 years under normal working conditions without frequent replacement. Compared with ordinary protective cloth that needs to be replaced annually, the average annual protection cost per equipment is reduced by 60%, highlighting the economy of durable tank protection layers.
It supports customization of 1-3m width, matching pipeline diameters of DN50-DN2000 and various tank sizes, with a cutting loss rate ≤3%, avoiding material waste caused by mismatched sizes; for special-shaped tanks (e.g., spherical tanks, horizontal tanks), pre-formed cutting services can be provided to further improve the adaptability of industrial tank nonwoven protection layers.
Technical Parameters
| Parameter Category | Parameter Name | Specific Index | Test Standard / Note | Key Customer @ Focus |
| Raw Material | Filament Denier | 200-500D | Higher denier enhances structural stability | Durability under industrial stress |
| Product Weight | 120-180g/ m | Ensures thickness for protection & flexibility | Balance of protection effect & cost | |
| Temperature Resistance | Operating Temp Range | -40℃ to 120℃ | Tested under continuous thermal cycling | Adaptability to extreme industrial conditions |
| Mechanical Strength | Longitudinal Tensile Strength | 2l5kN/m | GB/T 15788-2017 (geotextile tensile standard) | Resistance to tearing during installation |
| Tear Strength | 20.9kN | GB/T 13763-2019 (geosynthetic tear test) | Protection against external impact | |
| Corrosion Resistance | Acid-Alkali Resistance (pH) | 3-11 | 72h immersion test in pH3/pH11 solutions | Suitability for chemical/petroleum industries |
| Coating Compatibility | Coating Adhesion | 之 0.5MPa | Tested with epoxy/polyurethane coatings | Stable bonding with anti-corrosion layers |
| Customization | Usable Width Range | 1-3m | Cut to match DN50-DN2000 pipelines/tanks | Minimizing waste for different equipment sizes |
Product Uses
Applied to crude oil or chemical reagent pipelines, its pH 3-11 corrosion resistance blocks volatile corrosive substances. With -40℃ to 120℃ temperature tolerance, it works stably in outdoor or high-temperature workshop pipelines, reducing rust and extending pipeline service life.
Wraps around water storage tanks or sewage treatment tanks. Its 25%-30% porosity fits anti-corrosion coatings tightly, preventing moisture from seeping into tank walls. The eco-friendly material avoids water contamination, meeting urban water supply safety standards.
Used for refrigeration pipelines in food processing or cold storage. It maintains flexibility at -40℃, avoiding cracking that ordinary protective cloth suffers. The buffer property also protects pipelines from collision damage during cold chain facility maintenance.
Custom-cut to fit spherical oil tanks or horizontal chemical tanks. Its ≥15kN/m tensile strength adapts to tank curves without tearing. It isolates external dust and impact, matching the tanks’ irregular shapes to ensure full-range protection.
FAQ
Q1: Can this layer withstand temperatures above 120℃ for short periods in industrial workshops?
A: It tolerates brief 130-140℃ spikes, but long-term use over 120℃ reduces lifespan. For high-heat pipelines, we recommend our high-temperature modified version (up to 180℃).
Q2: Will it affect the curing speed of epoxy anti-corrosion coatings applied underneath?
A: No. Its 25%-30% porosity allows coating fumes to escape, keeping curing time consistent with unprotected coatings—no delays in construction schedules.
Q3: How often should it be replaced on outdoor chemical tanks exposed to UV rays?
A: With UV stabilizers, it lasts 5+ years outdoors. Without stabilizers, replace every 3 years. We suggest annual checks for fraying or strength loss.
Q4: Can it be used on small-diameter pipelines (DN30-DN40) without wrinkling?
A: Yes. Its soft texture fits DN30+ pipelines tightly. For DN30-DN40, we offer 1m-wide cuts to minimize folding, ensuring full coverage with no gaps.
