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Gabriel® PKHH
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Gabriel® PKHH

Gabriel Phenoxy PK™HH has a high viscosity compared to most phenoxy resins. Phenoxy resins (polyhydroxyethers) are tough, ductile, amorphous, thermoplastic polymers having excellent thermal stability, adhesive strength, and vapor barrier properties. Phenoxy resins may be crosslinked by reacting its hydroxyl functional groups with isocyanates, melamine resins, or phenolic resins. Crosslinked phenoxy resins exhibit excellent chemical resistance, hardness, and adhesion on many substrates including steel, aluminum, glass, and carbon fibers, and plastics such as nylon and polyester (PET). Phenoxy PKHH may also be formulated in single-pack epoxies containing latent hardeners, such as dicyandiamide, providing improved toughness and adhesive strength on substrates when properly cured. Phenoxy PKHH is soluble in many polar, aprotic solvents such as MEK, cyclohexanone, and glycol ethers.
Product Resources

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Identification & Functionality

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Features & Benefits

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Features

Long chain linear polyhydroxylethers (PHE) available in different molecular weights giving excellent adhesion, impact and abrasion resistance, flexibility and chemical resistance. Preferred toughener for epoxy and phenolic resins. X-linked Phenoxy Resin gives excellent heat resistance and solvent resistance.

Applications & Uses

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Applications
Typical Applications
  • Thermoset Coatings
  • Single Pack Epoxy Coatings
  • Inks and Paints
  • Adhesives/Sealants
  • Composites
  • Electronics

Coatings:

  • Wire coatings
  • PCB coatings
  • Coatings for flexible and rigid packaging
  • Can & Coil coatings
  • Pipe coatings
  • Metal primers
  • Tie layers
  • Clear wood coatings
  • Plastic coatings
  • Glass coatings

Composites:

  • Prepregs
  • Preforms
  • Sizing
  • Fabric impregnation

Plastics:

  • Compatibilizer
  • Molding & Extrusions

Adhesives:

  • Structural adhesives
  • Hotmelts

Properties

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Color
Compatible Resins & Binders
Compatible Substrates & Surfaces
Physical Form
Color
200.0
Odor
Mild
Incompatible with
Strong Oxidizing Agents
Typical Properties
ValueUnitsTest Method / Conditions
Solids98.0%-
Viscosity, Brookfield, (25 °C); (20% solution in cyclohexanone)525 - 715cP-
Molecular Weight (Weight Average, Daltons)52000.0--
Molecular Weight (Weight Average)52000Daltons-
OH Equivalent Weight280.0g/equiv-
Haze (20% solution in cyclohexanone, max.)15.0%-

Regulatory & Compliance

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Regulatory Status

TSCA (USA), DSL (Canada), PICCS (Philippines), AICS (Australia), ENCS/MITI (Japan), IECSC (China).

Polymer Exempt: EINECS (EU)

Technical Details & Test Data

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Manufacturing Location

Rock Hill, South Carolina, USA

Storage & Handling

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Storage and Handling

Gabriel Phenoxy PK™HH is sold as pellet form in 55 pound (25 KG) net weight lined bags. The resin is indefinitely stable in unopened containers when stored at normal warehouse conditions. Phenoxy resins may absorb water, ~1% by weight, if exposed for long periods of time to the atmosphere. Pellets can be dried at 80 – 90 ⁰C if desired.

Phenoxy PKHH meets USFDA requirements for use in food contact and packaging applications (21 CFR 175.300).

Most Viewed Documents

View All 3 Documents

Document Name
Type
Products
Learn More
Phenoxy Resin Pellets Safety Data Sheet
Safety Data Sheet
Gabriel® PKFE PELLETS, Gabriel® PKHA PELLETS, Gabriel® PKHB+, Gabriel® PKHH, Gabriel® PKHJ PELLETS, Gabriel® PKHB Pellets, Gabriel® PKHC Pellets
Safety Data Sheet
Products: Gabriel® PKFE PELLETS, Gabriel® PKHA PELLETS, Gabriel® PKHB+, Gabriel® PKHH, Gabriel® PKHJ PELLETS, Gabriel® PKHB Pellets, Gabriel® PKHC Pellets
PKHH Pellets Technical Data Sheet
Technical Data Sheet
Gabriel® PKHH
Technical Data Sheet
Products: Gabriel® PKHH
Phenoxy Prodcut Brochure
Brochure
Gabriel® PKFE PELLETS, Gabriel® PKHA PELLETS, Gabriel® PKHP-80, Gabriel® PKHB+, Gabriel® PKHH, Gabriel® PKHJ PELLETS, Gabriel® PKHS-30 PMA, Gabriel® PKHS-40, Gabriel® PKHS-MI, Gabriel® PKHW-34, Gabriel® PKHW-35, Gabriel® PKHW-38, Gabriel® PKHM-301, Gabriel® PKHB Pellets, Gabriel® PKHC Pellets, Gabriel® PKHP-200 Powder
Brochure
Products: Gabriel® PKFE PELLETS, Gabriel® PKHA PELLETS, Gabriel® PKHP-80, Gabriel® PKHB+, Gabriel® PKHH, Gabriel® PKHJ PELLETS, Gabriel® PKHS-30 PMA, Gabriel® PKHS-40, Gabriel® PKHS-MI, Gabriel® PKHW-34, Gabriel® PKHW-35, Gabriel® PKHW-38, Gabriel® PKHM-301, Gabriel® PKHB Pellets, Gabriel® PKHC Pellets, Gabriel® PKHP-200 Powder
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