Pressure Sensitive Adhesive
What is Pressure Sensitive Adhesive?
Pressure sensitive adhesives are adhesives that remain permanently tacky at room temperature and develop immediate adhesion to various surfaces through light pressure. These PSA require no activation by heat, water, or solvents.
Properties of Pressure Sensitive Adhesives
- Permanent tackiness at room temperature
- Immediate adhesion through low contact pressure
- Reversible or permanent bonds possible
- Various adhesion force levels available
- Good wetting even on low-energy surfaces
- Aging-resistant formulations
Pressure Sensitive Adhesive Types
- Acrylate-based: High UV resistance and clarity
- Rubber-based: High initial tack and flexibility
- Silicone-based: Extreme temperature resistance
- Hot-melt: Thermoplastic systems for industrial application
Applications
- Automotive industry: Emblems and trim strips
- Elastomer bonding: Flexible seals
- Electronics: Shielding foils and insulation tapes
- Medical technology: Skin-friendly patches and sensors
Test Methods
- Peel strength: Resistance to removal at 180° angle
- Tack: Force to lift a test plate
- Cohesion: Internal strength of the adhesive
- Continuous temperature resistance: Long-term stability at elevated temperatures
DELO Adhesive Solutions
- Liquid pressure-sensitive adhesives for a wide range of applications
- Special formulations for every challenge
- Fast UV curing for greater efficiency
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