Trusted China Polyurethane Sealant Suppliers

Tengyu Chemical (Longkou) Co., Ltd is a professional sealant and adhesive manufacturer in China with over 14 years of export experience,providing stable quality products for construction, building applications worldwide.

Our sealant product range includes waterproof polyurethane sealant, concrete polyurethane sealant, windshield polyurethane sealant, polyurethane floor adhesive, etc. OEM and ODM services are available for global customers.

Get Project Pricing
pu sealant

Types of Waterproof Polyurethane Sealant

Polyurethane Wood Flooring Adhesive

Get Factory Price

Water Swelling Polyurethane Sealant

Get Factory Price

Windshield Polyurethane Sealant

Get Factory Price

Waterproof Polyurethane Sealant

Get Factory Price

Polyurethane Construction Joint Sealant

Get Factory Price

Self Leveling Polyurethane Sealant

Get Factory Price

One Part Modified Polyurethane Sealant

Get Factory Price

Construction Polyurethane Sealant

Get Factory Price

Polyurethane Sealant for Aluminium Window

Get Factory Price

Polyurethane Sealant for Windshield

Get Factory Price

Automotive Polyurethane Sealant

Get Factory Price

Features that Make Polyurethane Sealant Unique

 

Polyurethane sealants offer many advantages, including:

  • Excellent tear and abrasion resistance.
  • Excellent chemical and weather resistance, resistant to moisture and various weather conditions.
  • Adhesion compatibility with many construction substrates, such as stone, metal and wood.
  • High adhesion to different surfaces.
  • High flexibility.
  • Maintain stability at high temperatures.
  • Resistant to UV.
  • It has the property of painting.
Get Full Technical Info
polyurethane pu sealant
pu sealant
polyurethane caulking

 

Contact us today to request a free quote for our sealant products and discover reliable factory supply for your market needs.

Main Application of High Performance Polyurethane Sealant

Choose our PU sealant solutions for durable, high-performance sealing applications tailored to your project and supply requirements. Contact us today for technical support, pricing, and bulk order details.

automotive polyurethane sealant

Automotive Polyurethane Sealant

Automobiles are intended to be used in a variety of climate conditions. Rain, snow and ice are just a few examples of the bad weather that vehicles must be able to withstand. Polyurethane sealants are waterproof, weatherproof and have good resistance to chemical corrosion, so they are widely applied in the bonding of the window glass and the body of automobiles.

View Solution Details
polyurethane floor sealant

Wood Flooring Polyurethane Adhesive

Polyurethane wood flooring adhesive is suitable for most wood floor installations, including solid wood, parquet, and strip flooring. It bonds strongly to concrete, timber, and ceramic tiles, providing excellent flexibility and long-term durability. The solvent-free, moisture-curing formula helps reduce floor deformation and ensures stable installation performance.

View Solution Details
polyurethane cement sealant

Concrete Pavement PU Sealant

Airport runways, highways, tunnels, and bridges are built with high-strength concrete structures. Structural joints are essential and require reliable sealing to ensure long-term durability. Polyurethane sealants provide strong adhesion, excellent flexibility, and stable performance under demanding conditions, making them a proven solution for concrete joint sealing applications.

View Solution Details

Discuss Your Project Requirements

    Get Your Custom Polyurethane Sealant for Projects

    Whether you need building sealing, home caulking, industrial sealing or DIY projects and repairs, we can provide you with high-quality customized service solutions that perfectly suit your project needs!

    pu sealant custom

    ▶Greater ability to customize chemistries of pu sealant

    Adjust the polyurethane sealant formula ratio according to customer requirements to optimize the bonding performance and durability to meet different environmental.

    More packaging formats for pu sealant◀

    We provide a variety of packaging: Cartridge, sausage or barrel, convenient for various construction needs. Common packaging is 310ml aluminium cartridge, 600ml sausage.

    pu sealant package
    pu sealant color custom

    ▶Extreme choice in color and design for pu sealant

    Common sealant colors include white, black, gray. Special colors can be customized on demand.

    Provide free packaging and logo design, including product bottles, labels, and color matching. Help customers build their brands with videos and other data support.

    Get A free quote

    Polyurethane Sealant FAQs

     Polyurethane sealants are typically paintable, but it is important to always check the manufacturer’s specifications for painting instructions. It is recommended to use a sealant color that matches the desired color, as painting over the sealant may lead to shrinkage and an unsightly joint.

    Polyurethane sealants have a wide range of applications. Such as construction for sealing windows, doors, concrete joints, and expansion joints. Also suitable for  automotive, marine, electronics, and various industrial sectors for sealing and bonding purposes.

    The curing time of pu sealants depends on several factors such as temperature, humidity, and thickness of the sealant layer. Typically, it can take at least 7 days for the sealant to fully cure. It is advisable to refer to the product instructions for specific curing times.

    9 months from the date of manufacture, when stored in a cool and dry place.