TP620 polyurethane sealant is one-component sealant with low modulus and excellent elasticity. It is especially suitable for sealing joints for the multi-porous materials.
Special Characteristics
* Excellent adhesion with former cleaned PU sealant.
*One Component, ready-to-use.
*Good adhesion with concrete materials.
*Fast cure.
*Good weathering resistance and high durability.
*No pollution
*Can be painted.
Typical application
* Sealing joints in the concrete roads and bridges.
*General sealing for construction joints.
*Sealing joints in the airport runway.
*Repairing and sealing the crack of buildings.
Model |
TP620 |
Class |
25LM non-flowing |
Colors |
Concrete Grey, White |
Density |
1.3~1.4KG/L |
Tack free time |
45-120min, depending on weather |
Curing time |
≥2mm/24h |
Hardness Shore A |
around 25 |
Modulus(100% Elongation) |
23ºC |
≤0.4Mpa |
-20ºC |
≤0.6Mpa |
Leveling property |
Smooth and leveling |
Slump/mm |
Vertical |
≤3 |
Horizontal |
No deformation |
Extrudability (ml/min) |
≥80 |
Elastic Recovery |
≥70% |
Elongation at break |
>600% |
Tensile Properties at maintained extension |
No breaking |
Tensile properties at maintained extension(after water immersion) |
No breaking |
Tensile properties (cold extension-hot compression) |
No breaking |
Loss of mass%(≤) |
8 |
Application Temperature |
5ºC-35ºC |
Service Temperature |
-40ºC- +90ºC(minimum 50ºC in hot water) |
Packing
Recommended products
Acrylic sealant Duct sealant neutral silicoen sealant
1.Q: How can you guarantee the quality?
A: a. At first, our QC staff will inspect the raw material,
b. During the process of before-filling, after-filling and before-delivery we will inspect the sealant too.
c. At last we will keep the sample for around 12 months in case there is any problem so that we can trace it and solve the problem.
2.Q: How to solve the quality problem after sales?
A: Take photos or videos of the problem to us. After confirming the problem, we will make a satisfied solution for you
3.Q: why should you buy from us and not from other suppliers?
A: In the past 10 years, TENGYU has developed into a modern environmental protection adhesive accessories comprehensive platform enterprise integrating R&D, production, sales, and import & export services. Here, you can enjoy our most considerate service and guarantee. We have professional customer service to do after-sales service to ensure that the goods can be delivered on time.