Single component low modulus polyurethane construction joints sealant PU821
Features
1. Low modulus and high elasticity, good sealing and water-proof property
2. One component, convenient to construct, nonpoisonous and tasteless after curing, green and environmental
3. Bonding well with many substrates, no corrosion and pollution to substrate
4. Good compatibility between new and used adhesive, convenient to repair
5. Excellent aging, water and oil resistance, mouldiness
Usage
1. Sealing of expansion and settlement joint of construction
2. Sealing of upstream face crack of drainage pipeline
3. Sealing of through holes on wall and at floor concrete
4. Sealing of joints of prefab, side fascia, stone and color steel plate
Operation
Clean before operation
Clean and dry all surfaces by removing foreign matter and contaminants such as oil dust, grease, frost, water, dirt, old
Sealants and any protective coating. Dust and loose particles should be cleaned.
Direction of operation
Tool: Manual or pneumatic plunger caulking gun
For cartridge
1. Cut nozzle to give the required angle and bead size
2. Pierce the membrane at the top of the cartridge and screw on the nozzle
3. Place the cartridge in an applicator gun and squeeze the trigger with equal strength
For sausage
1. Clip the end of the sausage and place in barrel gun
2. Screw end cap and nozzle on to barrel gun
3. Using the trigger extrude the sealant with equal strength
Attention of operation
Wear suitable protective clothing, gloves and eye/face Protection. After contact with skin, wash immediately with plenty
Of water and soap. In case of accident or if you feel unwell, seek medical advice immediately
Package & Storage
Package Storage
310ml cartridge, 20PCS/carton Keep in cool and ventilative place
400ml/600ml sausage, 20PCS/carton Temperature≤ 25° C, humidity≤ 50%RH
Color: Black Shelf life: 9 months
Out standing customer care services at any time, 24 Hour Help Support on line or or call +86-400-882-1323
Model Number |
PU 821 |
Main Raw Material |
Polyurethane |
Color |
Black/White/Gray |
Density |
1.35±0.05Gr/cc |
Sagging |
≤1mm |
Volatile content |
≤4% |
Extrudability |
≥80ml/min |
Touch dry time |
≤180Min |
Elastic recovery |
≥80% |
Pollution properties |
Non |
Elongation at break |
≥600% |
Application temperature |
5~35°C |
Founded in DEC. 2003, SEPUNA has been engaged in researching, manufacturing and marketing automobile sealant and adhesive for 9 years.
Since the foundation, SEPUNA Chemical has been focusing on adhesive's researching and application. Then in 2005, We acquired PUNADE technology which is from Switzerland.
Within 9 years, SEPUNA mainly develops Silicone, Polyurethane and Epoxy resin adhesives. And in the future, we will enlarge our line to Unsaturated, Natural and Acrylic Resin adhesive.
After 9 years' improvement, by the keep researching and innovation, SEPUNA is already a mature adhesive supplier with the core competitiveness.