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Products
Construction PU Sealant
PU765 CONSTRUCTION PU SEALANT is a one component gun grade polyurethane based construction sealant, it is of low modulus and cures by reaction with atmospheric moisture to form a soft rubber like material with excellent elastic and adhesion strength.
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Product Description
1.PRODUCT FEATURE OF PU765 CONSTRUCTION PU SEALANT
●Excellent bonding, free primer construction
●High strength, High viscosity
●Excellent extrudability and thixotropy, non- sagging
2.TYPICAL PROPERTIES OF PU765 CONSTRUCTION PU SEALANT
| Testing Items | Performance |
| Appearance | Black/White/Gray |
| Density（g/cm3） | 1.35±0.05 |
| Sagging Properties(mm) | ≤1 |
| Elongation at break(%) | ≥600 |
| Volatile content(%) | ≤4 |
| Stretch modulus (Mpa) | ≤0.4 |
| Touch dry time(min) | ≤180 |
| Elastic recovery(%) | ≥80 |
| Extrudability (ml/min) | 80 |
| Pollution properties | Non |
| Application temperature(℃) | +5～+35 |
| Shelf life(month) | 9 |
3.APPLICATIONS AREAS OF PU765 CONSTRUCTION PU SEALANT
* Suitable for most building joints, including perimeter caulking of doors and windows.
* Joints in pre-cast panel.
* External walling，curtain wall joints.
* Skylights, smoke vents.
* Other structural sealing for areas with structure movement.
4.APPLICATION INSTRUCTIONS OF PU765 CONSTRUCTION PU SEALANT
Minimum application temperature: 5℃
PU765 CONSTRUCTION PU SEALANT should be dispensed from either the cartridge or sausage by means of a caulking gun.
Pierce the membrane at the top of the cartridge and screw on the nozzle. Cut the nozzle to give the required angle and bead size. Place the cartridge in an applicator gun and squeeze the trigger.
For sausages, a barrel gun is required, clip the end of the sausage and place in barrel gun. Screw end cap and nozzle on to barrel gun. Using the trigger extrude the sealant, to stop depress using the catch plate. Apply PU765 in a continuous bead using enough pressure to properly fill the gaps.
5.STORAGE AND SHELF LIFE OF PU765 CONSTRUCTION PU SEALANT
9 months from manufacturing date when store in cool dry locations below 25℃.Keep away from heat source and direct sunlight during storage.
6.PACKING, SHIPPING AND SERVING OF PU765 CONSTRUCTION PU SEALANT
Packing : Aluminum tube--310ml, Sausage--600ml
Shipping: Sea, air or land transportation
Serving: We provide free design service, and you’ll get excellent after-sales service, we committed to solving any problems that may occur when you use our products.
7.FAQ
A: Sample is available and free, please contact us or send your requirements by email.
Q: How can you guarantee the quality?A: We have rigorous quality test system, from raw materials to finished products, the materials must be checked and confirmed by QC department.
