Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Toyo Boseki HARDLEN F-2P Adhesion Promoter

ToyoBosekiHARDLENF-2PAdhesionPromoterisanadvancedsilane-basedprimerthatenhancesbondingbetweenpolymersandglass,metals,orcomposites.Idealforautomotiveandelectronicsapplications,itimprovescoatingadhesion,weatherresistance,anddurabilitywhilemaintainingexcellentchemicalstabilityandprocessingflexibility.
  • toyo boseki hardlen f 2p adhesion promoter_bf66ea91
  • toyo boseki hardlen f 2p adhesion promoter_bf66ea91

Features Of Toyo Boseki HARDLEN F-2P Adhesion Promoter

  1. Enhances interfacial adhesion between polyolefin substrates (e.g., PP, PE) and polar coatings or adhesives.

  2. Single-component, solvent-based formulation requiring no catalyst or heat curing for initial bonding performance.

  3. Improves long-term durability under thermal cycling and humidity exposure in demanding industrial environments.

  4. Compatible with standard spray, dip, or roll-coating application methods for high-throughput manufacturing.

  5. Reduces surface energy dependency—effective on low-energy, untreated polyolefin surfaces without plasma or flame treatment.

Typical Applications Of Toyo Boseki HARDLEN F-2P Adhesion Promoter

  1. Automotive interior trim bonding (PP/EPDM composites to PU foams or PVC skins).

  2. Medical device assembly where sterilization-resistant adhesion is required between polypropylene housings and silicone gaskets.

  3. Industrial packaging lamination—bonding metallized PET films to polyethylene sealant layers.

  4. Electronics enclosures requiring reliable adhesive joints between injection-molded polyolefin parts and EMI shielding tapes.

  5. Appliance components such as dishwasher tubs and refrigerator liners where chemical resistance and moisture stability are critical.

Specifications Of Toyo Boseki HARDLEN F-2P Adhesion Promoter

Chemical TypeChlorinated polyolefin (CPO)-based adhesion promoter
Product FormLiquid concentrate (ready-to-use after dilution with specified solvents)
AppearanceClear to slightly hazy amber liquid
Solvent SystemToluene/xylene blend (VOC-compliant formulation per regional regulations)
Primary ApplicationsPolyolefin surface priming for paints, adhesives, and laminates
Key FeaturesLow-viscosity, fast-drying, non-corrosive to metals and plastics
Storage Stability12 months at 5–30°C in unopened original container
Recommended Film Thickness2–5 µm (dry film weight: 1.5–4.0 g/m²)


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