Huitian® 8906 PU primer is a black, moisture-curing liquid primer. It is specially formulated for the preparation of the bonding surface before using Huitian PU adhesive in glass bonding operations, to improve the PU adhesive’s bonding strength and UV resistance.
Typical Applications
This product is used to improve the adhesion between the adhesive and the glass or ceramic printing edge in bonding operations, and can also be used for the treatment of some metals.
For special materials, to ensure the bonding effect and the compatibility of the product with the material, it is necessary to test based on the actual substrate and environment in advance. Please contact the technical service department of Huitian.
Technical Parameters
Technical Parameters | Typical Value | Range |
---|---|---|
Appearance | Black liquid | - |
Chemical composition | Polyisocyanate | - |
Density (g/cm³) (GB/T13354-1992) |
1.0 | 0.9~1.1 |
Viscosity (mPa.s) (GB/T2794-1995) |
10 | 10~50 |
Flash point (℃) | -4 | - |
Coverage (ml/m²) | - | 50~150 |
Application temperature (℃) | - | 10~35 |
Drying time (min) | - | - |
At least (above 15°C) | 10 | - |
At least (below 15°C) | 30 | - |
Maximum | - | 24h |
Directions for Use
Drying time: The normal drying time is 3~5 minutes, depending on the ambient temperature. Do not start gluing until the primer volatilizes and dries (10 minutes recommended).
Usage: The bonding surface must be clean and dry, without oil or dust. Wipe the surface with Huitian activator 8902 and allow it to dry. Shake Huitian 8906 well until you can hear the balls in the can roll freely. Continue to shake for 1 minute. Then apply the primer evenly to the bonding surface.
Optimal application environment: Ventilated environment at 15~25°C.
Storage & Transportation
Recommended transportation environment | Optimal environment: 5~25°C, <70%RH; avoid sunshine, rain, humidity, impact, and extrusion of packing. |
Recommended storage temperature | 5~25°C |
Storage environment | Cool, dry |
Shelf life | 9 months |
Packing Specification
890604, 250ml/ can, 24 pcs/carton
Cautions
Keep away from children for storage.
If the eyes are accidentally exposed to the product, rinse immediately with water, and seek medical attention.
It is recommended that the product be used in a well-ventilated place.
Please consult the MSDS of the product for safety information.
Waste Disposal
If not polluted by other substances, the waste can be stacked in landfills in principle and will not pollute water quality. Since the product can be burned, the waste can be disposed of in a waste incineration plant. Undoubtedly, it is necessary to abide by the environmental regulations of the local government.
Health And Safety Information
Before operating this product, it is necessary to get familiar with its hazards, proper use and disposal, and other relevant information. The following information may be useful: Material Safety Data Sheets (MSDS) and product classification marks. For more detailed information, contact your sales representative or technical service representative.
Name | 8902 | 8906 | 8906P | 8906G |
Category | Activator | General Primer | Body primer (organic) | Glass, electrophoretic paint, and other primers |
Substrate | Collocation | |||
Glass | 8902+8906/8906G+8960H/8965 (Conventional) | |||
8902+8906G+8960H/8965/8950 (Special solution for inorganic materials) |
||||
Body | 8902+8906/8906G+8960H/8965 (Conventional) | |||
8902+8906P+8960H (Passenger car) | ||||
8902+8960S/8966 (Passenger car body without primer) |