8922 High-Performance Polyurethane Sealant Windshield Glue Eco-Friendly High-Thixotropy Solvent-Free Low-Odor
Brand Name:Huitian
Certification:ISO
Model Number:8922
Minimum Order Quantity:800kg
Delivery Time:5-8 days
Place of Origin:China
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Location:
Shanghai Shanghai
Address:
No. 251, Wenji Road, Songjiang District, Shanghai China
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Product Details
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Product Details
Huitian® 8922 high-performance polyurethane sealant is a one-component, high-thixotropy, non-flowing, solvent-free, low-odor, UV-resistant polyurethane adhesive. The product is eco-friendly and has moderate viscosity and good thixotropy, which makes it easy to apply by hand. It features good weatherability and resistance to the flowing of black water, and the adhesive layer is elastomeric after curing, with good resistance to changes in temperature and stress. The product can be sprayed and sanded, is non-corrosive, and does not flow during facade and top application. It bonds to various substrates and has obvious resistance to flowing black water than general glass gap-filling glues.
Typical Technical Data
(Real values may have deviations)
| Color | Black |
| Density | 1.33 g/cm3 |
| Tack-free time | 20~50 |
| Solid content, ISO787 | 99.5% |
| Curing rate | See Figure 1 |
| Shore A hardness, ISO 48-4 | 42 |
| Adhesion | 100% cohesive failure |
TVOC,VDA277 | ≤50 ppm |
| Tensile strength, ISO 527 | 3.0 |
Elongation at break, ISO 37 | 500% |
| Shear strength, ISO 4587 | 2.0 MPa |
| Temperature resistance | -40°C~90°C |
Chemical Resistance
Huitian® 8922 is generally resistant to fresh water, seawater, weak acids, and weak alkali solutions, but is not resistant to solvents such as organic acids, ethanol, concentrated acids, and concentrated alkalis.
Directions for Use
Huitian® 8922 is specially used for caulking and sealing passenger car windshields and for weatherability and resistance to the flowing of black water. Before using the product, it is necessary to read the Material Safety Data Sheet for information on precautions and safety recommendations. Before using 8922 on materials prone to stress cracking, please consult with the material supplier and perform substrate testing for verification; 8922 is intended for experienced and professional users only. Tests must be conducted with actual substrates and application conditions before using the product, to ensure good adhesion to and compatibility with the material.
Directions for Curing
Huitian® 8922 is a moisture-curing one-component polyurethane adhesive. Changes in temperature and humidity will affect its curing rate; the lower the temperature, the slower its curing rate.
Application Method
Surface Treatment
The substrate to be bonded must be dry and free of oil, dust, grease, and other contaminants. Thoroughly clean the new glass and body paint coat with 8902, and check whether the bonding material is intact and free of any damage. If new or changed substrates are involved, please contact the manufacturer for verification to ensure reliable bonding.
Primer Application
Apply primer to the cleaned substrate surface with a primer applicator. Start gluing after the primer evaporates and dries. Before application, select a primer agent suitable for the actual substrate and application conditions according to Huitian’s primer program. Then apply the primer according to the primer application requirements.
Gluing
It is recommended to glue with equipment (such as pneumatic and electric glue gun)
The optimal operating environment conditions are temperature 20~30°C, 50%~70%RH; note that the viscosity of the product will increase at low temperatures. The open time will be significantly shortened under high temperatures and high humidity; if the glue is already tack-free, please do not conduct assembly and bonding.
During gluing and curing, avoid contact with chemicals containing hydroxyl groups, amino groups, etc., which can cause polyurethane adhesive to not cure or incompletely cure.
Storage
The unused adhesive should be immediately sealed for storage. When used again, if there is a small amount of crust on the seal, just remove it, which will not affect the normal use of the product. During storage, a small amount of crust may appear at the opening, which can be removed for normal use and will not affect the performance of the product.
Cleaning and Removal
Uncured 8922 can be cleaned and removed with special cleaners or other suitable solvents and tools of Huitian. Once cured, it can only be removed mechanically. If the skin on, for example, hands is contaminated, clean up immediately with a towel dipped in ethanol or a suitable industrial hand sanitizer. To avoid burns, do not use solvents on the skin.
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 | 6 months |
If the storage environment temperature is exceeded, there may be a risk of shortened shelf life. (Shelf life is less than 6 months at a storage temperature of 25~35°C and less than 3 months at a storage temperature of 35~40°C)
Packing Specification
8922, 600 ml/cartridge
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 to use the product 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.
8922 High-Performance Polyurethane Sealant Windshield Glue Eco-Friendly High-Thixotropy Solvent-Free Low-Odor
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