Adhesion promoter (also called a bonding agent or primer) is a chemical substance or coating designed to enhance the bond strength between two dissimilar materials, such as a substrate (e.g., metal, plastic, wood, or glass) and a subsequent coating, adhesive, or ink. It acts as a bridge, overcoming poor surface compatibility that might otherwise lead to peeling, delamination, or weak adhesion.
Item No :
Adhesion PromoterApplication :
Suitable for various wood coating ,industrial coating ,floor paint,textile coating ,printing ink etcSpecial Feature :
Excellent adhesion nd bonding strength on different substrateProduct Overview
Runshine New Materials (Foshan) Co., Ltd manufacturers adhesion promoters are precision-formulated additives designed to interact with both substrate surfaces and coating resins. Chemically, they feature dual-functional groups: one end anchors to the substrate (e.g., plastic, metal, or alloy) through chemical adsorption or reactive bonding, while the other end integrates seamlessly with the coating’s polymer matrix. This unique molecular structure—acting as a reactive intermediary—eliminates weak boundary layers, the primary culprit behind peeling, chipping, or delamination. Whether it’s a polar substrate like aluminum or a low-energy surface like polypropylene, our bonding promoters create an unbreakable link, turning surface incompatibility into enduring adhesion..
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Key Features
✧Universal Compatibility: Our adhesion-enhancing additives work seamlessly with all solvent-based systems, including acrylics, polyurethanes, and alkyds, without disrupting viscosity or cure profiles.
✧Potent Efficiency: A small dosage (0.5–3% by weight) delivers maximum results, making these bonding agents a cost-effective solution for boosting performance.
✧Substrate Versatility: From plastics to metals, our surface coupling agents adapt to diverse materials, eliminating the need for multiple products.
✧Performance Synergy: They enhance not just adhesion but also improve coating flexibility, chemical resistance, and weatherability—adding value beyond bonding.
✧Easy Integration: Designed for hassle-free mixing in industrial workflows, these adhesion promoters require no special equipment, streamlining production.
|
Parameter |
Typical Value |
Unit |
Notes |
|
Appearance |
Transparent viscous liquid with little yellow |
– |
Visual inspection |
|
Active Content% |
30–80 |
% |
Can be adjusted for formulation |
|
Viscosity (25°C, Brookfield RV) |
300~15000CPS (25 ℃) |
mPa·s |
Spindle 3, 20 rpm |
|
Density (25°C) |
1.05–1.15 |
g/cm³ |
Typical value |
|
Recommended Solvents |
Xylene, BCS ,PMA，IPA,MEK,Dutyl cellosolve etc |
– |
For formulation compatibility |
|
Shelf Life |
12 |
months |
Stored in sealed containers at 5–35°C |
|
Storage |
Cool, dry place |
– |
Avoid direct sunlight and moisture |
| Adhesion promoters | |||||
| Product Name |
Type | Solvent | Active Content% | Viscosity | Properties Application |
| RHEAD 9991 | Adhesion promoters |
Dutyl cellosolve |
80 | Addesion promoter.Used mainly in baking paints and primers completely silicone-free.Increases film elasticity | |
| RHEAD 9993 | Adhesion promoters |
Xylene |
60 | 300-700 | Provides improved adhesion of metallic pigments and coatings on metal substrate |
| RHEAD 9996 | Adhesion promoters |
MEK/ BCS/IPA |
55 | 6000-11000 | Improve adhesion,make the baking temperaturedown |
| RHEAD 9999 | Salt spray resistance promoters |
Butyl glycol |
75 | Improve adhesion and Salt spray resistance promoters | |
Applications
Our adhesion promoteris suitable for a wide range of industrial coating with excellent perfomrance
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Benefits
In every application, our adhesion promoters—whether called bonding agents, surface coupling agents, or adhesion-enhancing additives—prove indispensable. They don’t just fix adhesion issues; they elevate the entire coating system, ensuring durability, aesthetics, and performance that set your products apart.
Adhesion promoter (also called a bonding agent or primer) is a chemical substance or coating designed to enhance the bond strength between two dissimilar materials, such as a substrate (e.g., metal, plastic, wood, or glass) and a subsequent coating, adhesive, or ink. It acts as a bridge, overcoming poor surface compatibility that might otherwise lead to peeling, delamination, or weak adhesion.
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Runshine is leading manufacturer in the field of coating additives. With years of expertise, we produce a wide range of high - quality additives. Our product line includes various defoamers to eliminate foam during production, leveling agents for a smooth and even coating surface, dispersants to evenly disperse pigments, rheology additives for better viscosity control, and wetting agents to enhance substrate wetting.These additives are extensively used in the manufacturing of coatings and inks.
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Next-Gen Adhesion Promoter is a critical component formulated to address the unique challenges of modern high-solids and waterborne coating systems, ensuring superior substrate adhesion across a diverse range of demanding applications. This advanced promoter is engineered with a novel silane-based technology that functions through covalent bonding mechanisms, significantly enhancing the interfacial strength between the coating and difficult substrates such as plastics, treated metals, and composites. Its exceptional compatibility is demonstrated by effective performance in both polar waterborne lattices and high-solids polyol/acrylic formulations, preventing delamination and ensuring long-term durability. Key properties delivered include outstanding hydrolytic stability, excellent resistance to humidity, and improved mechanical integrity of the final film. Consequently, it is ideally suited for use in automotive OEM and refinish coatings, industrial maintenance paints, and plastic coatings where robust, permanent adhesion is a fundamental requirement for coating performance and service life.
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