Product Details
CasNo： 9006-65-9
Appearance： liquid
Delivery Time： 15 days
Packing： 25kg/drum
Purity： 99%
Basic Information
- Brand and Model: BYK, BYK - 3720
- Packaging Specification: 25 kg/blue iron drum
- Chemical Composition: Hydroxyl - containing polyether - modified polydimethylsiloxane solution
Product Characteristics
- Appearance and Physical Properties: Usually a colorless to pale yellow transparent liquid with a slight special odor. The density is about 1.0 - 1.1 g/cm³ (at 20℃), and it has a relatively high flash point, which ensures safety during storage and use. It has a certain dispersibility in water, and the kinematic viscosity is within a suitable range, facilitating uniform mixing in water - based coating systems.
- Core Functions
- Enhanced Cleanability: Significantly improves the cleanability of water - based coatings. After the water - based coating dries to form a film, the surface of the coating film is not easy to be stained. This is because the hydroxyl functional groups contained will form a special molecular structure after cross - linking, reducing the adhesion of stains to the surface of the coating film and making the stains easier to remove.
- Cross - linking Compatibility: Can undergo cross - linking reactions with various resin systems such as two - component polyurethane, alkyd/melamine, polyester/melamine, acrylic/melamine, and acrylic epoxy mixtures. After cross - linking, it endows the coating film with long - lasting easy - to - clean effect and at the same time enhances the physicochemical properties of the coating film, such as hardness and wear resistance.
- No Impact on Original Coating Properties: While improving cleanability, it will not have a negative impact on the basic properties of water - based coatings, such as hiding power, gloss, and drying time, ensuring the stable comprehensive performance of the coating.
Application Fields
- Main Application Scenarios
- Architectural Water - based Coatings: Used in exterior wall water - based coatings, it can keep the exterior walls of buildings clean for a long time and reduce cleaning and maintenance costs; used in interior wall water - based coatings, it is convenient for daily cleaning and maintains the beauty of interior walls.
- Industrial Water - based Coatings: Applied in fields such as automotive water - based coatings and metal protective water - based coatings, it improves the ability of the coating film to resist stains and dust and maintains the good appearance of the product.
- Applicable Coating Systems: Especially suitable for water - based topcoat systems, it can effectively improve the cleanability of the coating film without changing the original characteristics of the coating.
Recommended Dosage and Usage Methods
- Recommended Dosage: 0.5% - 3% based on the total formula (calculated by the purchased form). The specific dosage can be appropriately adjusted according to factors such as the type of coating system and the required degree of cleanability.
- Usage Methods: It is recommended to add it during the paint mixing stage of water - based coatings. Add it slowly while stirring to ensure that the additive can be uniformly dispersed in the coating system to give full play to its performance. After adding, continue stirring for a period of time to fully mix the additive with each component of the coating.
Storage and Transportation
- Storage Conditions: The storage temperature is recommended to be controlled at 5 - 35℃, avoiding direct sunlight and freezing. The storage environment should be dry and well - ventilated, away from fire sources and strong oxidants.
- Shelf Life: Under the condition of complying with storage conditions, the shelf life of the product is usually 60 months.
- Transportation Requirements: Transport as general chemicals. During transportation, prevent collision and inversion to avoid packaging damage leading to product leakage.
Competitive Advantages
- Excellent Performance: Compared with similar products, BYK - 3720 performs outstandingly in improving the cleanability of water - based coatings and can be well cross - linked with various resin systems, bringing long - lasting special properties to the coating film and meeting the application requirements of high - end water - based coatings.
- Wide Application: It has good adaptability to various water - based topcoat systems and different application fields, can cover many water - based coating application scenarios, and provides customers with comprehensive solutions.
- High Cost - Effectiveness: A proper amount of addition can significantly improve the cleanability of water - based coatings. From the perspective of reducing cleaning and maintenance costs and prolonging the service life of the coating film, it can bring relatively high comprehensive benefits to customers, with a high cost - effectiveness ratio.
- High - Quality Service: BYK provides professional technical support, including formula optimization suggestions, technical guidance during application, etc., as well as perfect after - sales service, which can promptly respond to and solve problems encountered by customers during use.
