Introduction to STD-7255 Adhesion PromoterSTD-7255 is a high-performance adhesion promoter desi
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STD-7255 is a high-performance adhesion promoter designed to enhance bonding between coatings, adhesives, or composites and difficult-to-adhere substrates. It is widely used in industries requiring strong interfacial adhesion under demanding conditions. The following tables summarize its key characteristics:
| Property | Specifikation |
|---|---|
| Chemical Type | Silane-modified polymer |
| Utseende | Clear to pale yellow liquid |
| Active Content | ≥95% |
| Density (25°C) | 0.95–1.05 g/cm³ |
| Solubility | Compatible with alcohols, esters, ketones |
| Recommended Dosage | 0.5–3.0% of total formulation weight |
| Benefit | Beskrivning |
|---|---|
| Substrate Versatility | Improves adhesion to metals, plastics, glass, and treated surfaces |
| Corrosion Resistance | Enhances protective properties of coatings on metal substrates |
| Humidity Resistance | Maintains bond strength in high-humidity environments |
| Thermal Stability | Effective in -40°C to +150°C range |
| Curing Compatibility | Works with thermal, UV, and room-temperature curing systems |
| Industry | Use Case |
|---|---|
| Automotive | Primer coatings, plastic part adhesion |
| Aerospace | Composite bonding, protective coatings |
| Construction | Sealants, structural adhesives, concrete coatings |
| Electronics | Conformal coatings, encapsulation materials |
| Industrial Maintenance | Anti-corrosion coatings for steel/aluminum |
| Parameter | STD-7255 vs. Conventional Promoters |
|---|---|
| Adhesion Improvement | 30–50% increase on difficult substrates (e.g., PP, PE, untreated metals) |
| Cure Speed | No retardation of host formulation curing |
| Durability | Superior resistance to humidity and thermal cycling |
| Formulation Flexibility | Compatible with solvent-based, water-based, and 100% solids systems |
| Aspect | Guideline |
|---|---|
| Storage | Keep sealed at 10–30°C; moisture-sensitive |
| Shelf Life | 12 months in original packaging |
| Safety | Use ventilation; avoid skin/eye contact (may cause mild irritation) |
STD-7255 adhesion promoter provides reliable interfacial bonding across diverse substrates and environmental conditions. Its balanced performance makes it ideal for demanding applications where durable adhesion is critical.
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