best polyurethane sealant for car high quality

polyurethane sealant for car 1,high adhesion strength 2,aging vibration exhaustion low temperature resistant 3,free-corrosive one-part room temperature curing polyurethane adhesive with good adhesion property. It reacts with moisture in the air to form a kind of elstomer with high strength, aging resistant, vibration exhaustion resistant, low temperature resistant and corrosive resistant properties.  Where to useDirect glazing and sealing for windshield glazing, glass fiber reinforced plastic fittings, installation in automotive, accessory, auto steel and aluminum board. Characteristica. Room temperature curing, no saggingb. Good adhesion strength, wide application range for base materialsc. Good chemical corrosion resistance and excellent weather proofd. Excellent aging resistant propertye. Excellent noise, vibration and impaction resistantf. Good damp resistant and anti mildewg. Paint able, abrasion able Technical Data (for reference)

No	Item	Standard	Test result	Test method
1	Appearance	Black, gray, white, brown paste	Black, gray, white, brown paste	By eyes
2	Specific gravity, g/cm3	1.2±0.1	1.2
3	Hardness, Shore A	55±5	60	GB/T531.1-2008
4	Sagging	No	No
5	Solid content,%	≥96	98.2
6	Tack free time, Min	20-60	38	Touch
7	Curing rate,mm/24h	3-6	3.2	100*10*12triangle
8	Shear strength, Mpa	≥4.0	4.2	GB/T7124-2008
9	Tensile strength, Mpa	≥6.0	7.6	GB/T528-1998
10	Elongation at break,%	≥400	425	GB/T528-1998
11	Tensile strength at 100%, Mpa	≥2.0	3.02	GB/T528-1998
12	Tear strength, N/mm	≥20	25.5	GB/T529-2008

     

best polyurethane sealant for car high quality