One Component Polyurethane Automobile Sealant
PU8620
∎Product Description
PU8620 is a type of fast curing one component polyurethane sealant used in sealing auto glass and bodywork bonding.
∎Key Features
1.Bond very well with surface of variety material such as all kinds of metal, lumber, glass, polyurethane, epoxy, resin, and coating material, etc.
2.One component adhesive with fabulous thixotropy, it’s convenient to apply with rapid curing speed
3.Excellent water, weather and aging resistance
4.Excellent wear-resisting property
5.Paintable and polishable
6.No sag or flow phenomena within 30mm perpends
∎Typical Applications
1.The car body, roof seam, launder, luggage compartment of the car around seams of waterproof, dustproof, and shockproof bonding and sealing
2.Side window’s bonding and sealing of motorbus
3.Window glass of varied automobile bonding and sealing
4.Decorating parts in or out of car body bonding and sealing, car body joint sealing
5.Car body, ship window and project vehicles water-proof sealing
∎Technical Data Table
PROPERTY STANDARD/UNITS VALUE
Main raw material Polyurethane
Color Visual inspection Black
Density Gr/cc 1.25±0.05
Volatile content % ≤1
Sagging mm 0
Extrusion rate ml/min ≥80
Tack free time min 20~60
Curing speed mm/ 24hrs 3~5
Hardness Shore A 45±5
Tensile strength MPa ≥5
90
Shear strength MPa ＞2.5
Tear strength MPa ≥3
Elongation at break % ≥400
Application temperature °C 5~35
Shelf life month 9
Note：All data above were tested under special condition; storage condition has a direct impact to the products’ shelf life.
∎Directions for Use
Tool: Manual or pneumatic plunger caulking gun
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
Wear suitable protective clothing, gloves and eye/face Protection. After contact with skin, wash immediately with plenty of water and soap. In case of accident or if you feel unwell, seek medical advice immediately.
∎Packing
