Multi-purpose Polyurethane Sheet Metal Adhesive
PU813
∎Product Description
PU813 is one component polyurethane adhesive with durable and elastic sealing property.
∎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
7.Excellent extrudability, easy for raked joint operation
∎Typical Applications
1.Mainly used for welding seam and sealing of automobile, railway passenger cars, ships, cold storage container, van body of refitted vehicle, etc.
2.Waterproof, dustproof sealing of refrigerated container, construction and pipe
3.For vehicle sheet metal repairing, aluminum gusset and bodywork sealing.
∎Technical Data Table
PROPERTY STANDARD/UNITS VALUE
Main raw material Polyurethane
Color Visual inspection White/Gray
Density Gr/cc 1.30±0.01
Volatile content % ≤3
Extrusion rate ml/min ≥80
Tack free time min 60~180
Curing speed mm/ 24hrs 3~5
Hardness Shore A 30~45
Tensile strength MPa ≥1.5
90
Elongation at break % ≥350
Application temperature °C 5~35
Working temperature °C 30min @180°C
long time @ -40~80 °C
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 and Storage
310ml cartridge, 400ml/600ml s