Product Features
Environment friendly, no pollution to base material, Paintable.
Good weather-resistance and durability.
Low modulus, high movement-resistance.
Areas of application
Suitable for waterproof sealing for PC panels in housing industrialization.
Suitable for waterproof sealing of outside concrete wall, metal curtain wall, aluminum alloy window with concrete, cement concrete wall joints etc.
Technical data
| Items |
Lejell270 |
| Range |
Typical Data |
| Appearance |
Black homogenous paste |
/ |
Extrudability ml/min
GB/T 13477.4 |
≥100 |
200 |
Sagging properties mm
GB/T 13477.6 |
≤3 |
0 |
Tack free time h
GB/T 13477.5 |
1~3 |
2 |
Volatile content %
GB/T 13477.19 |
≤2 |
1 |
| Tensile modulus MPa GB/T 13477.8 |
23ºC |
≤0.4(60%) |
0.30 |
| -20ºC |
≤0.6(60%) |
0.50 |
Tensile properties at maintained extension
GB/T 13477.10 |
No failure |
No failure |
Adhesion/cohesion properties at maintained extension after water immersion
GB/T 13477.11 |
No failure |
No failure |
Adhesion/cohesion properties at variable temperature
GB/T 13477.13 |
No failure |
No failure |
Elastic recovery rate%
GB/T 13477.10 B method |
≥60 |
60 |
Adhesion/cohesion properties after cycles of compression and extension
JC/T 485 |
No failure(9030) |
No failure |
| Adhesion/cohesion properties after exposure water and UV light JC/T 485 |
No failure |
No failure |
| Application temperature oC |
-40~90 |
Direction for use = 1 \* GB3 All data above were tested under standardized condition at 23±2ºC.50±5%RH.
Packing specification
Aluminum Cartridge 310ml Package: 20PCS/CTN Weight:11kg Size:260mm*215mm*265mm
Sausage - 400ml Package: 20PCS/CTN Weight:12kg Size:255mm*255mm*205mm
Sausage - 600ml Package: 20PCS/CTN Weight:16kg Size:375mm*255mm*205mm
2.Company Introduce
Our company
Pustar, located in Dongguan, Guangdong province, China, is a globally integrated company supplying specialty chemicals markets. It is a leader in polyurethane products used in sealing, bonding, waterproofing and protecting in construction and automotive industry. Approximately 300 employees ensure the quality and quantity of mass production.
R&D Department
R&D center of PUSTAR found in Juanuary,2008. Under the effect of company`s influence, professionals of R&D center increased to more than 50 from 10, though at the beginning of its foundation, there are only 3. Among that, there are 36 professionals at or above the college education background level, accounting for 20% of total employees of PUSTAR, and 4 of them have been evaluated as ` Dongguan Technological Leading Reserve Talents`, 2 of them title of `waterproof sealing experts`.
New-built experiment space with high centralization and specialization, provides powerful support for the research and development of lab test, medium dimension experiment test,etc.
3.FAQ
Q1. Can I have a sample order for polyurethane sealant?
A: Yes, we welcome sample order to test and check quality.
Q2. What about the lead time?
A:Sample needs 1 day, mass production time needs 1-2 weeks for order quantity more than
Q3. Do you have any MOQ limit for order?
A: Low MOQ, 3000pcs for order is availabl. And denpend on your needs.
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by freight forwarding. It usually takes about 20---30 days to arrive. FCL and LCL, shipping can optional.
Q5. How to proceed an order for polyurethane sealant?
A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.
Audited Supplier 
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