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CHEMPU Product

Model: SL-003 · Direct Factory Supply

SL-003 Self-Leveling Silicone Joint Sealant for High Movement

Neutral-curing self-leveling silicone sealant engineered for extreme thermal movement (±50%), airport runways, and high-temperature highway joints. Unmatched UV, ozone, and jet fuel resistance.

±50%
High Joint Movement
-50℃~+150℃
Extreme Temperature
Neutral Cure
Non-Corrosive
Jet Fuel Safe
Airport Runway Grade




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SL-003 Technical Specifications

Verified parameters under ASTM & ISO standard laboratory testing conditions.

PropertyStandard / MethodVerified ValueEngineering Function
Chemical BaseSilicone Polymer1-Component Neutral SiliconeRTV curing, alcohol by-product
Hardness (Shore A)ASTM D224015 ± 5 AUltra-cushioned joint response
Movement CapabilityASTM C920 Class 50± 50%Double the movement of standard PU
Service TemperatureThermal Chamber-50℃ to +150℃Resists jet engine exhaust and freezing
Extrusion FlowInternal LabSelf-Leveling PourableFast automated dispensing on runways
WeatherabilityAccelerated QUVZero Aging / ChalkingPermanent inorganic siloxane backbone
📋 Official TDS, MSDS and third-party laboratory reports available on request:

Three Solutions for Extreme Movement Joints

• Silicone Self-Leveling (SL-003): Best for ±50% movement & extreme temperatures (-50℃ to +150℃).
• Polyurethane Self-Leveling (SL-90): Best for ±25% movement with maximum puncture and abrasion resistance.
• Rubber Waterstops: Best embedded cast-in-place; cannot be retrofitted into existing pavement saw-cuts.

Fast-Curing Infrastructure Sealant

Where & How SL-003 Heavy-Duty Self-Leveling Performs

Engineered for mission-critical horizontal concrete joints requiring fast return-to-service: airport runways, container terminal yards, highway toll plazas, and heavy-duty logistics hubs.

Airport Runway and Taxiway Concrete Expansion Joint Sealing
Airport Runways

Airport Runways & Taxiway Pavements

Withstands jet engine blast heat, aviation fuel spillage, de-icing chemicals, and high-impact landing gear wheel loads across runway joints.

  • FAA & Federal Specification SS-S-200E fuel resistance
  • Fast tack-free in 2 hours for overnight runway window repairs
Heavy Container Reach Stacker and Forklift Traffic Over Cured Joint
Port Container Yards

Container Ports & Intermodal Terminals

High tear resistance and high Shore hardness designed to sustain axle loads exceeding 40 tons from container reach stackers and straddle carriers.

  • Shore A Hardness: 45 ± 5 for heavy point load resistance
  • Tear strength: ≥ 10.0 N/mm prevents tire gouging
Fuel and Chemical Puncture Resistance Laboratory Verification
Lab Chemical Resistance

Gas Stations & Chemical Tank Terminals

Specialized chemical resistance prevents swelling and degradation when exposed to diesel fuel, gasoline, hydraulic oil, transmission fluids, and glycol.

  • Volume swell in diesel fuel < 5% after 72h immersion
  • Non-igniting, high flash point formulation
SL-003 Automatic Self Leveling Joint Application
Rapid Curing Flow

Highway Toll Plazas & Bridge Abutments

Rapid cure allows traffic re-opening within 6-8 hours, minimizing lane closure times on busy expressways, toll gates, and bridge expansion joints.

  • Tensile strength: ≥ 2.5 MPa
  • Permanent adhesion to damp and dry concrete

Runway, Port or Expressway Project Specification?

Contact our civil infrastructure engineering department for FAA / ASTM compliance test reports and automated pump dispensing equipment data.

Export Logistics & Packaging

Heavy-Duty Packaging & Global Container Export

High-density polyethylene moisture-tight foil sausages and steel pails engineered for fast-track infrastructure construction projects.

SL-003 Sausage and Pail Packaging Formats

Available Package Formats

Supplied in 600 ml heavy-duty foil sausages (20 pcs/ctn) and 25 kg sealed steel pails for direct pumping into airport pavement joint cutters.

Automated Sealing and Palletizing Lines at CHEMPU Facility

Automated Factory Packaging & Export Pallets

Nitrogen-purged packaging lines guarantee reactive polyurethane stability. All shipments packed on fumigated ISPM-15 certified pallets.

20GP Full Container Loading (FCL) Matrix

SpecificationUnits/Ctn20GP Container
600 ml Sausage20 pcs1,200 ctns (24,000 pcs)
25 kg Steel Pail1 pail800 pails (20,000 kg)
200 L Industrial Drum250 kg/drum80 drums (20,000 kg)

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🏷️ Civil Tender OEM Specification

CHEMPU provides complete technical documentation for municipal and governmental road tenders:

  • Standard Approvals: ASTM C920 Class 25, FAA Fuel Resistance reports.
  • Color Range: Standard Runway Grey, Highway Black, and Safety Yellow.
  • Pail/Drum Bulk Branding: Private label lithographic steel drum and pail printing.
  • Factory Loading: Container loading at Shanghai Port within 15-20 days.

Storage & Quality: 9 months at 10°C – 25°C in unopened original steel pails.

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