Product 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.
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Parameter
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Typical Value
|
Unit
|
Notes
|
|
Appearance
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Transparent viscous liquid with little yellow
|
–
|
Visual inspection
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|
Active Content%
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30–80
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%
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Can be adjusted for formulation
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Viscosity (25°C, Brookfield RV)
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300~15000CPS (25 ℃)
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mPa·s
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Spindle 3, 20 rpm
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|
Density (25°C)
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1.05–1.15
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g/cm³
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Typical value
|
|
Recommended Solvents
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Xylene, BCS ,PMA，IPA,MEK,Dutyl
cellosolve etc
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–
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For formulation compatibility
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Shelf Life
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12
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months
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Stored in sealed containers at 5–35°C
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Storage
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Cool, dry place
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–
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Avoid direct sunlight and moisture
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| 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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Plastic Coating
Plastics like PP, PE, and ABS pose unique challenges due to their low surface energy. Our adhesion promoters—acting as specialized bonding agents here—penetrate surface contaminants, form covalent bonds with the plastic matrix, and interlock with the coating resin.
✧Key Benefits: Prevents coating flaking during flexing or impact; ensures vibrant color retention and chemical resistance (critical for consumer goods, electronics, and automotive interior plastics).
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Automotive Coating
In automotive OEM and refinish coatings, adhesion is non-negotiable—from primers to topcoats. Our surface coupling agents excel in bonding to metal substrates (steel, aluminum) and plastic components (bumpers, trims).
✧Key Benefits: Withstands extreme temperature fluctuations, fuel exposure, and road abrasion; ensures the coating system resists chipping from stones or debris, maintaining a flawless finish for years..
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Coil Coatings
Coil coatings demand adhesion that survives forming, bending, and long-term outdoor exposure. Our adhesion promoters—vital as bonding agents here—create a flexible yet robust bond between the metal coil and the coating.
✧Key Benefits: Prevents cracking during roll forming or bending; enhances resistance to UV radiation and humidity, making it ideal for architectural panels, roofing, and appliance exteriors.e.
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Aluminum Alloy Coatings
Aluminum’s natural oxide layer can hinder coating adhesion. Our adhesion-enhancing additives react with this oxide layer, forming a reactive interface that bonds securely to both the alloy and the coating.
✧Key Benefits: Enhances corrosion resistance (critical for marine, aerospace, and industrial equipment); ensures the coating withstands salt spray, chemicals, and mechanical stress without peeling.
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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.
