SJHB-708 Pure Polyurea

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SJHB-708 Pure Polyurea

  • Solid Content% 98
  • Tensile Strength MPA 16
  • Tear Strength N/MM ≥55
  • Color customized as required
  • Salt Resistance 30 g/L
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Product Introduction

SJHB-708 Pure Polyurea is a type of polyurea (an elastomer formed by the reaction of isocyanate components with amine compounds), applied using a fast-reacting on-site spray technology. It represents a new generation of coating technology in the 21st century.

Product Advantages

  • No Catalyst Required: Rapid curing without the need for catalysts. It can be applied on any curved, sloped, or vertical surface without sagging. Gels in 10 seconds and reaches walkable strength within 10 minutes.

  • Two-Component System: Contains 98% solids with no volatile organic compounds (VOCs). Environmentally friendly, pollution-free, safe for workers and users.

  • Single-Application Thickness: Can be applied in thicknesses ranging from several hundred microns to several centimeters in one application, overcoming the limitations of traditional multi-layer applications.

  • Outstanding Physical Properties: High tensile and impact strength, excellent flexibility, wear resistance, anti-slip, weather resistance, and corrosion resistance.

  • Excellent Surface Reproduction: Forms a continuous, dense, seamless, and pinhole-free coating. Visually appealing, practical, and long-lasting.

  • Strong Adhesion: Can be sprayed and formed on virtually any substrate including steel, wood, and concrete.

Application Fields

Anti-corrosion for power plants and pipelines, waterproofing for roofs and underground structures, waterproofing for large-scale hydraulic engineering and water treatment equipment, industrial flooring, wear-resistant protection for mining equipment, high-speed rail waterproofing, waterproofing for amusement parks, sports stadium stands, landfill liners and seepage control, foam sculpture protection, speaker abrasion resistance, pickup truck bed liners, and more.

Technical indicators

Solid Content% 98 Gel Time ≥5S
Tensile Strength MPA 16 Elongation at Break% 300
Tear Strength N/MM ≥55 Hardness Shore A ≥85
Adhesion MPA ≥1.5 Operating Temperature -45°C – 120°C
Color Can be customized as required Density G/CMP 1.0
Acid Resistance Long – term resistance to 10% sulfuric acid, 10% hydrochloric acid Alkali Resistance Long – term resistance to 10% alkali solution and immersion
Salt Resistance 30 g/L Oil Resistance 0# Diesel, Crude Oil: No corrosion, no blistering, no peeling
Drying Time (25°C, RH = 60%) Surface drying ≤1h; Operation period ≤30min Impact Strength (J) ≥15