PU820 polyurethane one component pu building concrete self-leveling adhesive sealant glue

$2.60 - $4.60
Min. Order
1000 Kilograms
Company Information

Shanghai Sepna Chemical Technology Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
US$ 90+
1 Year Paid Supplier Supplier Trade Assurance
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Quick Details

Port: SHANGHAI, NINGBO any port in China
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 1000000 Ton/Tons per Year Delivery time:10-15 days for construction polyurethane adhesive
CAS No.: 67763-03-05
Other Names: pu sealant
EINECS No.: 210-898-8
Place of Origin: Shanghai China
Classification: Other Adhesives
Main Raw Material: Polyurethane
Usage: Construction,Fiber &amp; Garment,Footwear &amp; Leather,Packing,Transportation,Woodworking
Brand Name: SEPNA
Model Number: PU820
Type: polyurethane sealant
Product name: polyurethane/pu concrete floor joint sealant
Material: polyurethane
Color: Gray, Homogeneous paste
Application: sealing and filling airport runway, highway,building roof
Trade type: Manufacturer
Key Feature: water resistant,oil resistant,acid and alkali resistant
Shelf life: 6 Months
Packing: 20kg/ metal bucket, 230kg/drum
Sample: Free samples
Certificate: SGS, ISO9001:2008, MSDS, RoHS
Packaging Detail: Package for polyurethane/pu concrete floor joint sealant 20kg/ metal bucket, 230kg/drum

PU820 polyurethane one component pu building concrete self-leveling joint adhesive road sealant glue for airport runway 

Product Description


Technical Data Table of polyurethane/pu concrete floor joint sealant



Testing Items Slot filling adhesive
Low elasticityHigh elasticity
Solid content≥80≥85
Elastic recovery (%)≥75≥90
Bonding strength with concret( Mpa)≥0.2≥0.2
Elongation at break (%)≥200≥400
Elongation at low temperature(-10 ºC)≥30≥40
Touch Dry time (h)≤3≤3
Full curing time≤24≤24
Application temperature  (ºC) +5 ~ +35 +5 ~ +35
Shelf life(month) 99


 Note:All data above were tested under special condition; storage condition has a direct impact to the products’ shelf life.

Key Feature of  polyurethane/pu concrete floor joint sealant            

1. One component, very easy for application, free solvent, non-toxic odorless after curing,
2. Self-leveling, excellent flowability, easy to scratch sewing operation
3. Durable flexibility, no crack, excellent sealing and waterproofing
4. High displacement, no crack, fall off, suitable for sealing kinds of concrete road
5. The new and used sealant has good compatibility, easy to repair
6. Excellent water resistant, oil resistant, acid and alkali resistant, resistance to puncture

Typical Applications of  polyurethane/pu concrete floor joint sealant    

1. Suitable for sealing and filling of expansion joints and settlement joints of airport runway, highway,
building roof and basement
2. Crack repairing of highway, plaza, roof, bridge and epoxy floor etc.
3. Repair all kinds of concrete road surface



  Key Feature of  polyurethane/pu concrete floor joint sealant            








Application Poi1. Base surface requirement: dry, clean and non-pollution

2. Application tools: cutting machine, blower, pouring equipment, brush, shovel knife etc.
Application methods
1. Application slot cutting: use the cutting machine to cut good application slot according to the
designing and planning, with the application tools such as blower, brush, shovel knife etc. to remove
the dust and debris, and sufficiently drying.
2. The liner material placement: put the polyethylene foam strip slightly larger than the gap into the
application slot, the depth is according to the application condition.
3. Application: Put the sealant into the pouring equipment, the extruding sealant hose go deep into the
bottom of slot, then inject the sealant to the application slot.
4. Reserve gap: The application joint will expand with temperature changing, therefore, after application,
the sealant should be lower than the road surface. In summer: 2-3cm, In winter: 1-2mm.
5. Maintenance to tack free time, In summer: about 6 hours, In winter: about 12 hours.

821 construction
Attention of operation
1. Before application, should guarantee that the sealant is in the warranty period.
2. This product is innocuous after curing completely, but before curing, please avoid to touch with eyes
and skin. In case of touch with eyes and skin, wash immediately and thoroughly with soap and water.
If the situation is serious, please go to hospital.



Package & Storage                                                                                      

20kg/ metal bucket, 230kg/drum

When stored at 5~25°C, humidity≤50%RH in the original unopened containers, this product has a usable
life of 6 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.


FACTORY of Sepna1.jpgExhibition of Sepna.jpg


nent, very easyfor application, free solvent, non-toxic odorless after curing,


li,entbility, easy to scratch sewing operatio Durable flexibility, no crack, excellent sealing anderprooHigh di, no crack, , tble for sealing kinds of conc an

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 ?

A: 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 ?


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

d use


d sealant has good compatibility, easy to repair
6. xc