Dear Customer, As International Labour Day (also known as "Labour Day") approaches, it is a common holiday for working people around the world. It is set on May 1st every year. This is a recognition and respect for the contributions of workers, usually celebrated during holidays. We would like to update you on the upcoming holiday arrangements. Holiday dates: May 1st, 2025-May 5th, 2025 Resumption of work time: Tuesday, May 6th, 2025. Should you have any inquiries, please feel free to contact us via email at info@sinosunman.com or mobile phone at +86-13721078505 if you there is anything urgent. We will get back to you as soon as possible. Thank you for your understanding and cooperation. We wish you a happy, peaceful, and joyful holiday season. Best Regards, Sunman Team

Chlorinated polypropylene(CPP) is a versatile material with a range of applications, particularly in industries that require strong adhesion, durability, and resistance to various environmental factors. Below is a detailed overview of the types of chlorinated polypropylene and their applications: Types of Chlorinated Polypropylene (CPP): Low Chlorine Chlorinated Polypropylene (Chlorine Content Below 26%) Applications: Primarily used in the ink and coating industries. Characteristics: Offers good adhesion and compatibility with various substrates, making it suitable for formulations where lower chlorine content is preferred. Benzene-Soluble Chlorinated Polypropylene (Chlorine Content 28%-35%) Applications: Widely used in the ink industry, especially for BOPP (Biaxially Oriented Polypropylene) composite inks. Characteristics: Provides excellent adhesion to polypropylene surfaces and other materials like polyethylene, paper, and foil. Ester-Soluble Chlorinated Polypropylene (Chlorine Content 36%-40%) Applications: Also predominantly used in the ink industry, particularly for applications requiring high chlorine content for better solubility and performance in specific formulations. Characteristics: Similar to benzene-soluble CPP but with higher chlorine content, which can enhance certain properties like flame retardancy and solubility in ester-based solvents. Applications of Chlorinated Polypropylene: Printing Inks: BOPP Composite Inks: CPP is extensively used in the production of inks for BOPP films due to its excellent adhesion properties.It is particularly suitable for packaging materials where strong bonding is required. Formulation Adjustments: Since inks are complex chemical mixtures, the specific type of CPP used may require adjustments in the ink formulation to achieve the desired properties. Plastic and Metal Bonding: Adhesion: CPP's ability to adhere to various materials, including polyethylene, paper, and foil, makes it valuable in industries that require strong bonding between different substrates. Composite Materials: Used in the production of composite materials like PP film-paper and PP film-aluminum, which are commonly used in packaging. Summary Chlorinated polypropylene is a highly adaptable material with significant applications in the printing ink, plastic, and metal bonding industries.Its excellent adhesion properties, combined with resistance to abrasion, saltwater, and aging, make it particularly valuable in the production of packaging materials and composite films.The different types of CPP, categorized by their chlorine content and solubility, allow for tailored use in various industrial applications, ensuring optimal performance in each specific context.

Water-based inks are a type of printing ink that uses water as the primary solvent instead of volatile organic compounds (VOCs). They are widely used in various printing applications, such as packaging, textiles, and paper products, due to their environmental friendliness, low toxicity, and ease of use. Water-based inks are particularly popular in industries where sustainability and safety are priorities. Key Features of Water-Based Inks: 1.  Eco-Friendly: Water-based inks contain fewer harmful chemicals and emit minimal VOCs, making them safer for the environment and human health. 2. Versatility: They can be used on a variety of substrates, including paper, cardboard, textiles, and some plastics. 3. Odorless: Unlike solvent-based inks, water-based inks have little to no odor, making them suitable for food packaging and indoor applications. 4. Easy Cleanup: Water-based inks can be cleaned up with water, reducing the need for harsh chemicals. 5. Durability: When properly cured, water-based inks offer good resistance to abrasion, water, and fading. The formulation of water-based inks typically includes the following components: 1. Pigments (10-30%) · Provide color and opacity. · Common pigments include organic and inorganic compounds (e.g., titanium dioxide for white, carbon black for black). 2. Resins/Binders (20-40%) ·Act as the adhesive that binds the pigment to the substrate. ·Common resins include acrylics, polyurethanes, and styrene-acrylic copolymers. 3. Water (30-50%) ·Serves as the primary solvent to dissolve or disperse the other components. ·Evaporates during the drying process. 4. Additives (5-10%) ·Surfactants: Improve wetting and dispersion of pigments. ·Defoamers: Prevent foam formation during mixing and application. ·Thickeners: Adjust viscosity for better printability. ·Plasticizers: Enhance flexibility and adhesion. ·Biocides: Prevent microbial growth in the ink. 5. Co-Solvents (5-15%) ·Improve drying time and film formation. ·Common co-solvents include ethanol, isopropanol, and glycol ethers. Applications of Water-Based Inks: ·Flexographic Printing: Used for packaging materials like corrugated boxes, labels, and bags. ·Gravure Printing: Common in high-quality publications and decorative papers. ·Screen Printing: Popular for textiles, posters, and signage. ·Digital Printing: Used in inkjet printers for commercial and industrial applications. Water-based inks are a sustainable and versatile choice for modern printing needs. Their formulation can be customized to meet specific performance requirements, making them suitable for a wide range of applications.

Cellulose Acetate Butyrate (CAB) resin is a highly versatile material widely used in Coatings, Inks, and Nail care due to its unique properties.Here's a detailed breakdown of why CAB resin is chosen and the advantages it offers: 1. Quick-Drying Effect for Paints and Inks CAB resin accelerates the drying process of paints and inks, which is crucial for improving production efficiency and reducing waiting times between coating layers.This property is particularly beneficial in industrial applications where fast turnaround is essential. 2. Good Miscibility with Other Resins CAB resin blends well with a variety of other resins, enhancing the overall performance of the coating or ink.This miscibility improves the leveling property, ensuring a smooth and even finish.It also helps prevent "sagging," a common issue where the coating drips or runs on vertical surfaces. 3. Excellent Flexibility in Leather Coatings In leather coatings, CAB resin provides excellent flexibility, which is essential for maintaining the durability and appearance of leather products.This flexibility ensures that the coating can withstand bending and stretching without cracking or peeling. 4. Enhanced Orientation of Metallic Pigments CAB resin aids in the orientation of metallic pigments, which is crucial for achieving a uniform and attractive finish in automotive paints.This property enhances the decorative effect, giving vehicles a sleek, high-quality appearance. 5. Improved Hardness, Strength, and Durability CAB resin significantly enhances hardness and strength.It also boosts wear and impact resistance, making the final product more durable and long-lasting.Importantly, these improvements are achieved without compromising color stability, ensuring that the product retains its intended appearance over time. 6. High Transparency and Glossiness When used in transparent paints and inks, CAB resin maintains high transparency and glossiness.This results in a more aesthetically pleasing finish, making it ideal for applications where visual appeal is critical, such as in high-end consumer products or automotive finishes. Summary: CAB resin is chosen for its ability to enhance the performance and appearance of a wide range of products.Its quick-drying properties, excellent miscibility, flexibility, and ability to improve hardness and durability make it a valuable material in various industrial applications. Additionally, its role in enhancing the orientation of metallic pigments and maintaining high transparency and glossiness further underscores its importance in producing high-quality finishes.