Polyurethane Sealant for Construction Lejell220 High Modulus
Basic Info
Model No.: Lejell220
Product Description
Model NO.: Lejell220
Morphology: Plaste
Material: Polyurethane
Main Agent Composition: Polyurethane Elastomer
Promoter Composition: Plasticizer
Color: White Grey Black
Transport Package: 40PCS/Carton
HS Code: 3214109000
Bonding Function: Waterproof Sealant
Application: Construction
Classification: Room Curing
Characteristic: Waterproof
Composition: Organic Material
Trademark: Pustar
Origin: China Mainland
220 is one-component, moisture curable Polyurethane Sealant. Good sealing and flexible performance. No corrosion and pollution to base material and environment-friendly. Pricking resistance, easy for repairing. Good bonding performance with cement and stone.
Product Features
One-component, excellent extrudability, no sag, easy construction.
High modulus, good anti-water pressure performance.
Areas of application
Suitable for areas where low movement, high resistance to penetration and pressure are required.
For water proofing of air face on bridges, tunnels and drainage pipe. For precast panel, concrete internal wall and stone bonding and sealing.
Data sheet
Items | 220 | ||
Range | Typical Data | ||
Appearance | White homogenous paste | / | |
Extrudability ml/min GB/T 13477.4 | ≥80 | 100 | |
Sagging properties mm GB/T 13477.6 | 0 | 0 | |
Tack free time h GB/T 13477.5 | 1~3 | 2 | |
Volatile content % GB/T 13477.19 | ≤4 | 3 | |
Shore A-hardness GB/T 531.1 | 40~50 | 45 | |
Tensile strength MPa GB/T 528 | ≥1.5 | 2.2 | |
Elongation at break % GB/T 528 | ≥500 | 600 | |
Tensile modulus MPa GB/T 13477.8 | 23ºC | ≤0.4(60%) | 0.50 |
-20ºC | ≤0.6(60%) | 0.70 | |
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 | ≥70 | 85 | |
Application temperature oC | -40~90 |
All data above were tested under standardized condition at 23±2ºC,50±5%RH.
Direction for use
Remove dust, oil and water from the surface of substrates.
Tack free time and curing speed of polyurethane sealant influenced by environment temperature and humidity. Construction environment temperature: 5~35ºC, humidity: 50~70%RH.
For Construction method, please refer to PUSTAR construction description or consult technical personnel.
Cautions
Keep away from children.
Avoid contacting with skin and eye. For skin contacted, remove the sealant by cloth, wash skin thoroughly with soap and water. For eye contacted, hold eyelids apart and flush thoroughly with water, contact physician.
Packing specification
Cartridge 310ml
Sausage 400ml
Sausage 600ml
Transport and storage
Transport: Keep away the sealed product from moisture, the sun, high temperature and avoid collisions..
Storage: Keep sealed into cool, dry place.
Storage temperature: 5~25ºC. Humidity: ≤50%RH.
Shelf life: 9 month.
Contact us if you need more details on Construction Sealant. We are ready to answer your questions on packaging, logistics, certification or any other aspects about High Modulus、Good Resistance to Water. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : PU Construction Sealant
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