• Two-component polyurethane sealant
  • Two-component polyurethane sealant
  • Two-component polyurethane sealant
  • Two-component polyurethane sealant
  • Two-component polyurethane sealant
  • Two-component polyurethane sealant
  • Two-component polyurethane sealant
Two-component polyurethane sealant
Two-component polyurethane sealant
Two-component polyurethane sealant
Two-component polyurethane sealant
Two-component polyurethane sealant
Two-component polyurethane sealant
Two-component polyurethane sealant
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Two-component polyurethane sealant

Polyurethane building sealant is a two-component reaction-cured material, consisting of components A and B. Component A is a black paste, and component B is a liquid. After curing, it exhibits certain elasticity and adhesion.
  • Commodity name: Two-component polyurethane sealant

Classification

Polyurethane building sealant is a two-component reaction curing material, composed of A and B components. Component A is a black paste, and component B is a liquid. After curing, it has certain elasticity and adhesion.

Performance Indicators

Serial Number Item Technical Indicators
20HM 25LM 20LM
1 Density, g/cm³ 3 Specified Value ±0.1
2 Flowability Sag (N type), mm ≤3
Flowability (L type) Smooth and Flat
3 Surface Drying Time, h ≤24
4 Working Time, h ≥0.5
5 Tensile Modulus, MPa 23℃, MPa >0.4 or >0.6 ≤0.4 or ≤0.6
-20℃, MPa
6 Elastic Recovery Rate ≥70
7 Constant Elongation Adhesion No Damage
8 Constant Elongation Adhesion After Water Immersion No Damage
9 Adhesion After Cold Pulling-Hot Pressing No Damage
10 Mass Loss Rate, % ≤5
11 Low Temperature Flexibility (-40℃) No Cracks

This product is used for connecting and filling and sealing construction materials in the civil engineering, transportation, and precast concrete industries. High-grade roads, bridges, runways, underground pipelines, joint connections and seals, as well as expansion joints and deformation joints in tunnels and buildings.

This product has the following characteristics: excellent wear resistance, low-temperature flexibility, wide adjustable performance range, high mechanical strength, good adhesion, good elasticity, excellent recovery, suitable for dynamic joints and deformation joints, expansion joints. Good weather resistance, excellent oil resistance, resistant to biological aging and low price.

About Us

Hengshui Guangyuan Waterstop Materials Technology Co., Ltd. is a comprehensive enterprise that has been committed to the research, development, production, and sales of engineering waterstop rubber for nearly 30 years. It specializes in the research, development, production, and sales of professional sealing waterstop materials: water-swelling waterstop strips series, single/double-component polyurethane sealant series, steel plate putty waterstop series, rubber waterstop series, and caulking clay series products. The products are reliable in quality and widely used, and have been recognized by many engineering units!

Business Philosophy: Focus on building waterproofing: Providing high-quality products and services for building waterproofing

Service Concept: To make customers satisfied with comprehensive, meticulous, and efficient service

Business Spirit: Quality Assurance, Professional Service: Double guarantee to eliminate the worries of users about waterproofing

Production and Inspection

Factory Photos

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