低模量聚氨酯建筑密封胶low modulus pu sealant

Single Component Polyurethane Construction Sealant PU821 

Product Description

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.

Directions for Use

?    Cleaning: 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.

?    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

1.    Choose this product, primer, activator and other matching product, must have bonding test before bonding the materials, to ensure that they have good compatibility. At the same time, before application, should guarantee that the sealant, primer and activator are in the warranty period.

2.    Please strictly according to the application process, any violation of the application operation may cause bonding failure. This product is innocuous after curing completely, but before curing, please avoids contacting with eyes and skin. In case of eyes and skin contact, wash immediately and thoroughly with soap and water. If the situation is serious, please go to see a doctor immediately.

FAQ:

1.Q：Delivery time?

A:Normally,delivery time of sample order is 7 to 10 days, 

  standard order is 15-20 days.

2.Q:How to get samples?

A:Normally,Sepna offer our customer 1-2pcs or 50-100g free samples for quality testing.

3.Q:How to be Sepna’s distributor?

A:As the growing of Sepna’s global business,we need to find more and more distributors and agents worldwide.Sepna will provide the best solution and service for our partners.

For more information,pls contact our salesperson or call us:+86-400-882-1323

4.Q:Any OEM service？

Yes. Sepna can offer the customer OEM label service,and will give the protection of the your right in your market.

5.Q:Do you have MOQ?

Yes.Normally,MOQ is 2000pcs or 1000kgs.