HMPSA

HMPSA

HMPSA are designed with a balance between flow and resistance to flow. The bond forms because the adhesive is soft enough to flow, or wet, the adherend.At room temperature, approximately 50% of the ultimate strength will be achieved after 20 minutes, 90% after 24 hours, and 100% after 72 hours.

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HMPSA

Hot Melt Pressure Sensitive Adhesive (HMPSA) is a thermoplastic adhesive that combines the instant bonding capabilities of pressure-sensitive systems with the rapid setting properties of hot melt technology. Unlike traditional adhesives, HMPSA remains tacky at room temperature after application, enabling strong adhesion under light pressure without requiring solvents or water-based activation.

Secondary Keywords: Hot Melt Pressure Sensitive Adhesive, GLUE
Adhesive (Shanghai) Co. Ltd. specializes in manufacturing high-performance HMPSA tailored for industries such as packaging, automotive, labels, tapes, and nonwovens. Our self-produced raw materials ensure unmatched cost efficiency, consistency, and adaptability to diverse application requirements.

Product Specifications

  1. Composition
    • Base Polymers: Styrenic Block Copolymers (SBCs) such as SIS, SBS, SEBS, and SEPS for cohesion and heat resistance.
    • Tackifiers: Petroleum hydrocarbon resins (C5, C9) and natural rosin derivatives for substrate compatibility and adhesion strength.
    • Plasticizers: Mineral oils to enhance flexibility and low-temperature performance.
    • Antioxidants: Stabilizers to prevent thermal degradation and extend shelf life.
  2. Physical Properties
    • Color: Standard white or off-white (customizable upon request).
    • Application Temperature: 150–180°C (302–356°F).
    • Viscosity: 5,000–20,000 cP at 177°C (adjustable based on application needs).
    • Service Temperature Range: -40°C to 80°C (-40°F to 176°F).
    • Packaging: 25 kg cartons or pellets in moisture-resistant bags.
  3. Certifications
    • ISO 9001 (Quality Management), ISO 14001 (Environmental Management), and OHSAS 18001 (Health & Safety).

Unique Selling Points

  1. Cost Efficiency Through Vertical Integration
    • In-House Raw Material Production: By synthesizing polymers, tackifiers, and plasticizers internally, we eliminate middlemen costs, offering HMPSA at 20–30% lower prices than competitors.
    • Bulk Customization: Tailor formulations for specific substrates (e.g., glossy films, low-surface-energy plastics) without minimum order quantity (MOQ) constraints.
  2. Superior Performance
    • Instant Bonding: Forms permanent bonds within seconds under light pressure, ideal for high-speed production lines.
    • Versatile Substrate Compatibility: Adheres to challenging surfaces like coated paper, PE/PP films, and automotive composites.
    • Temperature Resilience: Maintains adhesion in extreme cold (-40°C) and heat (80°C), suitable for refrigerated logistics or automotive under-hood applications.
  3. Eco-Friendly Formulations
    • Low VOC & Solvent-Free: Compliant with EU 10/2011 for food-contact applications.
    • Bio-Based Options: HMPSA with up to 75% renewable content for sustainable packaging and hygiene products.

Production Process

Adhesive (Shanghai) Co. Ltd. employs a streamlined, quality-centric manufacturing workflow:

  1. Raw Material Synthesis: Polymers and resins are produced in-house using advanced polymerization reactors.
  2. Precision Mixing: Ingredients are blended in kneading machines to achieve homogeneity, followed by viscosity and tack testing.
  3. Degassing & Filtration: Vacuum systems remove air bubbles, ensuring defect-free adhesive films.
  4. Pelletization & Cooling: Melted adhesive is shaped into uniform pellets and rapidly cooled to preserve performance.
  5. Packaging: Automated systems fill and seal cartons with nitrogen flushing to prevent oxidation.

Applications

  1. Packaging Industry
    • Tapes & Labels: High-tack HMPSA for BOPP tapes, security seals, and wash-off labels for recyclable glass bottles.
    • Flexible Packaging: Resealable lidding films to reduce food waste and enhance shelf appeal.
  2. Automotive
    • Spray-Coated Adhesives: For interior trim assembly and noise-dampening tapes with rapid curing.
  3. Nonwovens & Hygiene
    • Disposable Products: Soft, skin-friendly adhesives for diapers and medical tapes.

Quality Assurance

  • Rigorous Testing: Every batch undergoes peel strength, shear resistance, and temperature cycling tests.
  • Anti-Degradation Measures: Antioxidants and UV stabilizers are added to prevent polymer breakdown during storage or high-heat processing.

Why Choose Adhesive (Shanghai) Co. Ltd.?

  • Global Expertise: Over 15 years of HMPSA innovation, serving clients in 30+ countries.
  • R&D-Driven Solutions: Custom formulations developed in collaboration with clients to meet niche demands.
  • Fast Turnaround: 7–10 days lead time for standard orders, supported by a 50,000-ton annual production capacity.

Contact Us

Adhesive (Shanghai) Co. Ltd.

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