Shanghai Sepna Chemical Technology

#Product Description<br />
PU820 is one component polyurethane high elastic self-leveling sealant for construction.<br />
For construction, we also have polyurethane sealant for wood floor, and expansion joint sealing adhesive. Can replace Sika, Dow, 3M, Henkel products.<br />
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#Key Features<br />
1.One component, very easy for application, free solvent, non-toxic odorless after curing, environment-friendly<br />
2.Self-leveling, excellent flowability, easy to scratch sewing operation<br />
3.Durable flexibility, no crack, excellent sealing and waterproofing<br />
4.High displacement, no crack, fall off, suitable for sealing kinds of concrete road<br />
5.The new and used sealant has good compatibility, easy to repair<br />
6.Excellent water resistant, oil resistant, acid and alkali resistant, resistance to puncture<br />
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#Typical Applications<br />
1.Suitable for sealing and filling of expansion joints and settlement joints of airport runway, highway, building roof and basement<br />
2.Crack repairing of highway, plaza, roof, bridge and epoxy floor etc.<br />
3.Repair all kinds of concrete road surface<br />
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#Technical Data Table<br />
PROPERTY                               VALUE<br />
Main raw material    -----        Polyurethane<br />
Appearance                              Gray, Homogeneous paste<br />
Density                                    1.35±0.1Gr/cc<br />
Flow ability                               Self-leveling<br />
Solid content                            99%<br />
Skin dry time                            3 hour less<br />
Tack free time                           6~16 hour<br />
Fully cured time                        less 24 hour<br />
Elastic recover rate                    90% more<br />
Elongation at break                   800% more<br />
Application temperature            5~35°C<br />
Service temperature                  -40~80°C<br />
Shelf life                                    6 month<br />
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MORE PRODUCT INFORMATION AT OUR SITE WWW.SEPNA.CC, EMAIL TO admin@sepna.cc<br />
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