Single component polyurethane filling adhesive PU820Detailed Product DescriptionPU820 is one component self-leveing potting sealant.Features 1.One component,Self leveling very easy for application.
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Single component polyurethane filling adhesive PU820
◆Detailed Product Description
PU820 is one component self-leveing potting sealant.
1.One component,Self leveling very easy for application.
2.Excellent displacement, no crack, fall off, suitable for sealing kinds of concrete road.
3.Durability and high tear strength.
4.Excellent sealing and water-proof property
1. Suitable for expansion joints and settlement joints sealing on road, airport running way, building roof and basement.
2.Cracks repairing on highway, plaza, roofing and bridges.
3.Repair all kinds of concrete road surface.
Slot filling adhesive
Elastic recovery (%)
Bonding strength with concret( Mpa)
Elongation at break (%)
Elongation at low temperature(-10 ºC)
Touch Dry time (h)
Full curing time
Application temperature (ºC)
Shelf life(month) ③
①All data above ware tested under standardized condition.
②All data listed in the chart were for the generalized item in the series; please refer to the related datasheet for special items.
③Storage condition has a direct impact to the products’ shelf life, Please refer to the instruction for special items’ storing.
1. One component, easy application, no solvent, no toxicity after curing, environment friendly.
2.Easy application with scraper.
3. Low modulus and high elasticity, soft, durable, no cracking, very good performance on sealing and waterproofing properties.
4.Good adhesion to various of substrates, no corrosion to base material, no pollution.
5.Compatible with old sealant, convenient for repairing.
6.Excellent water, acid and alkaline liquid resistance.
1. For common occasion, after cleaning out the surface with organic solvent, this product can be used directly.
2. Please construct by application instructions strictly, failure of stickiness may be caused by any operation disobeying construction techniques.
3.This product is innocuous after curing completely, but before set, 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.
Activators and/or primers are not required.
◆Package and Storage
20kg/bucket, 200kg/bucket Keep in cool and ventilative place
Color:Grey Temperature≤25℃, humidity≤50%RH
Shelf life: 6 months
◆Safety Operation Material
MSDS isn't included here. Please read TDS, MSDS and label carefully before operation. You can get MSDS from SEPNA or other distributors, or mail to service center firstname.lastname@example.org, or call +86-400-882-1323.
All product properties and application details based on information believe to be reliable and accurate. But you still need to test its property and safety before application. The advices we supply don't apply in any circumstances. SEPNA don't make assurance of any other applications outside the specification until SEPNA supply a special written guarantee. SEPNA is only responsible to replace or refund if this product is defective within the warranty period stated above. SEPNA makes it clear that will not be liable of any accidents.