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Lining Rubber

Our premium wear-resistant rubber lining is a high-performance Linatex alternative engineered for severe wet slurry abrasion and high-velocity particle impacts in mining and aggregate industries.

  • Premium 38 Shore A Rubber: 95% pure natural rubber with high resilience, extending equipment lifespan by 3x against abrasive slurry and sand.

  • Integrated CN Bonding Layer: Pre-buffed active backing ensures an unbreakable rubber-to-metal cold vulcanization bond (>12 N/mm).

  • Excellent Tear Resistance: Ultra-high molecular weight polyisoprene matrix resists micro-cutting, gouging, and severe chemical corrosion.

  • Certified Global Quality: 100% compliant with REACH & RoHS directives; strict batch testing for reliable heavy-duty plant protection.

  • Fully Customizable: Direct factory pricing with custom thicknesses (3mm to 50mm), widths (up to 2m), and lengths tailored to your CAD drawings.

Product Description

Premium Wear Resistant Rubber Lining Sheeting: The Ultimate Heavy-Duty Linatex Alternative

Engineered for Wet Slurry Abrasion, High-Impact Protection & Rapid Cold Vulcanization Installation

  • 95% Pure Natural Rubber Compound: Formulated utilizing liquid-phase compounding to preserve the natural high molecular weight of rubber, achieving a true 38-40 Shore A hardness with ultra-high resilience (80%+).

  • Integrated CN Bonding Layer: Features a specialized, pre-buffed chemical bonding layer that reacts molecularly with cold vulcanizing cements (e.g., TRS, Remabond) to achieve an unbreakable rubber-to-metal bond (>12 N/mm).

  • Proven Cost Reduction: Delivers up to 300% longer service life compared to standard commercial-grade rubber sheets in high-velocity fine particle wet slurry environments.

  • Engineers & Procurement Managers: [Click Here to Request a Free Sample & Custom Material Consultation]


Advanced Wear & Impact Protection for Severe Industrial Environments

Our premium wear-resistant rubber lining is a high-performance elastomeric protective sheeting engineered specifically to combat the devastating effects of wet slurry abrasion, erosive wear, and high-velocity particle impacts. Manufactured under proprietary thermodynamic vulcanization processes, this lining stands as the premium Linatex alternative for global mining, sand processing, aggregate, and mineral beneficiation industries.

Unlike standard calendered rubber sheets that fail under continuous friction, Qihang's abrasion-resistant natural rubber lining utilizes an ultra-high molecular weight natural polyisoprene matrix. This gives the material an exceptional "elastic memory" and structural resilience. When sharp, abrasive particles (such as quartz, iron ore slurry, or silica sand) strike the rubber surface, the elastomer deforms temporarily to absorb and dissipate the kinetic energy, and then immediately rebounds to its original shape without tearing or micro-cutting.

To drastically minimize plant downtime during maintenance, each roll of our rubber lining is engineered with a pre-buffed CN bonding layer (Chlorinated Natural Rubber backing). This active layer creates an instantaneous, cross-linked chemical reaction when paired with cold vulcanizing adhesives, achieving an industrial-grade bond to steel, carbon steel, and concrete surfaces without the need for high-temperature autoclaving.

premium-wear-resistant-rubber-lining-with-cn-bonding-layer.jpg


  [Top Surface]    ------> High-Resilience 38 Shore A Wear Layer (Absorbs Kinetic Impact)

  [Core Matrix]    ------> High-Tensile Micro-Molecular Structure (Resists Tearing & Micro-cutting)

  [Bottom Surface] ------> Active Pre-Buffed CN Bonding Layer (Ensures Ultra-Strong Cold Vulcanization)

  • Liquid-Phase Compounding Technology: We do not over-masticate the raw rubber. By using a low-temperature liquid-phase mixing process, the long-chain rubber molecules remain unbroken, guaranteeing unparalleled tensile strength (exceeding 22 MPa) and critical tear propagation resistance.

  • Optimized Durometer Balance (38 Shore A): Through precise cross-linking density control, our liner achieves the perfect balance between softness (to deflect impact) and mechanical toughness (to prevent gouging).

  • Chemical Resistance Matrix: Formulated to resist a wide range of process chemicals, including mild acids, alkalis, sludges, and flotation chemicals commonly used in mineral processing plants.


Our industrial rubber liner sheets are critical components for wear mitigation in the following heavy-duty sectors:

  • 1. Mining & Mineral Beneficiation: Used as slurry chute liners, hydrocyclone apex linings, flotation cell impellers, launders, and magnetic separator drum covers. It withstands continuous copper, gold, and iron ore slurry friction.

  • 2. Aggregate & Sand Washing Plants: Ideal for gravel washing trommels, dewatering screen underpans, concrete batching plant hoppers, and conveyor transfer chute linings where wet silica sand causes severe metal erosion.

  • 3. Dredging & Marine Sand Transport: Applied inside discharge pipes, dredge pump casings, and suction line elbows to prevent abrasive sea-sand mixtures from wearing through steel walls.

  • 4. Cement & Bulk Material Handling: Line the interiors of aggregate storage bins, silos, skip hoists, and rock boxes to drastically reduce material degradation and noise pollution.

  • 5. Chemical & Acid Plant Lining: Provides a dual-action layer—acting as an abrasion barrier and an anti-corrosive chemical tank lining for storing aggressive chemical slimes and industrial wastewater.

 


Technical Parameters Standard Testing Method Qihang QH-WR38 (Premium) Qihang QH-WR40 (Standard) Commercial Grade Red
Base Polymer - 95% Pure Natural Rubber Premium Natural Rubber Blend NR/SBR
Color Visual Premium Red / Blond Dark Red Industrial Red
Hardness (Shore A) ASTM D2240 / ISO 48 38 ± 3 40 ± 5 60 ± 5
Tensile Strength ASTM D412 / ISO 37 23.5 MPa (3400 PSI) 19.0 MPa (2750 PSI) 8.5 MPa
Elongation at Break ASTM D412 / ISO 37 700% 620% 350%
Abrasion Loss (DIN 53516) ISO 4649 (Method A) < 75 mm³ < 90 mm³ > 210 mm³
Tear Strength (Die C) ASTM D624 / ISO 34 65 N/mm 55 N/mm 30 N/mm
Resilience / Rebound DIN 53512 83% 78% 45%
Bonding Layer Type - Pre-buffed Active CN Layer Pre-buffed Active CN Layer Plain / Neoprene Back
Rubber-to-Steel Peel Strength ASTM D429 > 12 N/mm (Rubber Failure) > 10 N/mm < 4 N/mm
Temperature Range Continuous -40°C to +75°C -40°C to +75°C -20°C to +70°C

Available Stock Dimensions & Customization Options:

  • Thickness Range: 3mm (1/8"), 6mm (1/4"), 10mm (3/8"), 12mm (1/2"), 15mm (5/8"), 20mm (3/4"), 25mm (1") up to 50mm.

  • Roll Configurations: Standard width of 1.25 meters (49") or 1.5 meters (59"). Standard roll lengths are 10 meters (33 ft) or 15 meters. Custom sliced strips and pre-cut gaskets are available based on CAD drawings.


To achieve the maximum service life from your wear-resistant rubber sheets, proper installation via cold vulcanization is paramount. Follow our engineering-approved 4-step process:

  1. Steel Surface Preparation: The metal substrate must be grit-blasted to an Sa 2.5 white-metal finish (or mechanically profiled using a heavy-duty grinding disc) to remove all rust, scale, and old coatings. Clean thoroughly with a chemical solvent degreaser.

  2. Metal Priming: Apply one uniform coat of Metal Primer (such as Qihang Metal Primer or equivalent cold bonding primers) and allow it to dry completely for 30-45 minutes.

  3. Adhesive Application: Mix the cold vulcanizing cement with its corresponding hardener (ratio 100:4). Apply the first layer to both the primed steel surface and the pre-buffed CN bonding layer of the rubber sheet. Let it dry until tacky. Apply a second layer to both surfaces.

  4. Bonding and Stitching: Join the rubber liner onto the steel substrate while the adhesive layer is still tacky. Use a heavy-duty pressure roller (stitcher) from the center outwards to eliminate air pockets, ensuring 100% surface contact and maximum peel adhesion.


  • State-of-the-Art Calendering Lines: Our facility features precision automated calendering lines that guarantee tight thickness tolerances (within ±0.2mm), eliminating weak spots in the rubber matrix.

  • Full Batch Traceability: Every production run is assigned a unique batch number. Samples from every roll are tested in our internal laboratory for shore hardness, tensile elongation, and DIN abrasion loss before being cleared for sea-freight packing.

  • International Regulatory Compliance: Completely non-hazardous, 100% compliant with REACH Regulation (EC) No 1907/2006 and RoHS Directive 2011/65/EU, allowing smooth customs clearance into North America, Australia, and the European Union.

  • Logistics Optimization: Wrapped in heavy-duty protective UV-resistant plastic film on reinforced export-grade steel/wooden pallets to prevent material deformation during long-distance maritime transit.


qihang rubber manufacturer

Stop Losing Profits to Equipment Wear and Premature Plant Shutdowns! Qihang's engineering specialists are ready to help you optimize your processing plant's wear protection. Contact us right now to receive:

  1. A Comprehensive Product Catalog & Price List (Wholesale Factory Rates)

  2. Complimentary 100mm x 100mm Material Samples with CN Bonding Layer (Shipped Globally via DHL/FedEx)

  3. A Custom Quotation based on your specific engineering dimensions.

Fill out the quick inquiry form below, and our technical sales engineers will send a complete technical assessment and pricing proposal within 2 hours!

 

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