PU821 is one component solvent-free polyurethane construction sealant of low modulus.
#Key Features
1. Low modulus and high elasticity, good sealing and water-proof property
2. One component, convenient to apply, nonpoisonous and odorless after curing, green and environmental
3. The new and used sealant has good compatibility, easy to repair
4. Moisture-cure, no cracking, no volume shrinkage after curing
5. Excellent aging, water and oil resistance, resist to puncture, moldiness
6. Excellent extrudability, easy to scratch sewing operation
7. Bonding well with many substrates, no corrosion and pollution to substrate
#Typical Applications
1. Sealing of expansion and settlement joint of house building, plaza, road, airport runway, anti-wall, bridges and tunnels, building doors and windows etc.
2. Sealing of upstream face crack of drainage pipeline, drains, reservoirs, sewage pipes, tanks, silos etc.
3. Sealing of through holes on various wall and at floor concrete
4. Sealing of joints of prefab, side fascia, stone and color steel plate, epoxy floor etc.
#Packing and Storage
310ml cartridge, 400ml/600ml sausage 20pcs/box, 2 boxes/carton
When stored at 5~25°C, humidity≤50%RH in the original unopened containers, this product has a usable life of 9 months from the date of production. Do not store at temp. over 25°C, humidity over 80%RH.Transportation: moisture proof, prevent the rain, prevent sunscreen, anti-high temperature, away from heat, handle with care, crush or collision is prohibited.
Shanghai Sepna Chemical is one of the leading manufacturer of sealant and adhesive in China over a decade since established in 2003. We supply adhesives and sealant in automotive, construction and electronic industry. Including polyurethane adhesive for auto glass, construction polyurethane filling adheisive, and silicone, epoxy adhesive in application for electronic components ect..
WE ARE LOOKING FOR ADHESIVE DISTRIBUTORS AROUND THE WORLD WITH THE BEST SUPPORT. MORE INFORMATION AT OUR SITE WWW.SEPNA.CC, OR MAIL TO admin@sepna.cc (Skype)
China [CN] 
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