Polyurethane Automotive Sealant
PU8730
∎Product Description
PU8730 is one component direct glazing polyurethane adhesive, can be used for the high strength adhesion of the glass and the body of the automobile.
∎Key Features
1.Single component, moisture curing, no dripping for vertical application
2.Good elasticity and initial adhesion, high bonding strength
3.Can withstand high strength dynamic loads; no sagging while interrupting gluing
4.Good Adhesion with various substrates such as glass, aluminum plate etc.
5.Paintable and polishable surface, outstanding application property
6.No corrosion on base material, no penetration pollution, little volatile smell
7.Good aging resistance and weather resistance
∎Typical Applications
Used for the high strength adhesion of the glass and the body of various vehicles.
∎Technical Data Table
PROPERTY STANDARD/UNITS VALUE
Main raw material Polyurethane
Appearance Visual inspection Black, paste
Density Gr/cc 1.20±0.05
Sagging mm 0
Solid content % ≥95
Tack free time min 20~60
Curing speed mm/ 24hrs ≥3.2
Hardness Shore A ≥45
Break strength MPa ≥6.0
90
Elongation at break % ≥450
Tensile strength MPa ≥4.0
Shear strength MPa ≥3.0
Tear strength MPa ≥15
Low temperature properties °C No fracture in -45°C
Application temperature °C 5~35
Service temperature °C -40~90; 120(short period＜8hrs)
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 and Storage
310ml cartridge, 12pcs or 20 pcs per carton;
400ml/600ml sausage, 20pcs/ carton; 240kg/drum&#
