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Water-Blocking Materials for Cables

Model: LT-1201 Cable-Specific Water-Blocking Sealant/Filling Adhesive

Core Characteristics: Excellent water-blocking (≥7 Bar), high adhesion, low dielectric constant (≤2.3), outstanding flexibility, applicable at low temperatures down to -40°C, flow resistance across full temperature range (no flow from -10°C to 70°C), glass transition temperature of -60°C.

product details

Key Physical Properties:

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Softening Point: 85-95°C (Test Method: ASTM E28)
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Dielectric Constant: ≤2.3 (Test Method: GB/T2951.51-2008)
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Specific Gravity: 0.97±0.05 g/cm³ (Test Method: ASTM D792)
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Water-Blocking Pressure: ≥7 Bar (Test Method: Leakage Test)
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Flow: 0.00 cm (Test Method: Q/LYQ 002-2011, at -10°C / 23°C / 40°C / 70°C)
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Viscosity: 145,000 Cps @ 20°C; 105,000 Cps @ 70°C; 45,080 Cps @ 120°C; 15,020 Cps @ 150°C; 4,010 Cps @ 175°C (Test Method: Brookfield, ASTM D1084)

Application Fields: Insulation water-blocking and core wire filling/sealing for power cables, communication cables, submarine cables, and mining cables.

Packaging Specifications: 18 kg (5-gallon) iron pail; 158 kg (55-gallon) steel drum.

Product Advantages: Specifically designed for cable water-blocking, with performance reaching the advanced level of domestic and international counterparts. Suitable for complex working conditions.

Health & Safety: Consult the Safety Data Sheet (SDS) prior to use. Handle, clean up, and control spills according to regulations.