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Palmer Holland, Inc.

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165 Products found on Palmer Holland, Inc.  in Composite Materials

D.E.N.® 425 banner
Palmer Holland, Inc. company logo
Palmer Holland, Inc.D.E.N.® 425
  • Principal:Olin Epoxy
  • Chemical Family:Epoxy & Epoxy Derivatives, Novolac Epoxy
  • Polymer Name:Epoxy Resins & Compounds
  • End Uses:Automotive Applications, Electrical Laminates, Pipe Coating, Pre-pregs, Protective Coatings, Sporting Goods, Structural Adhesive, Tank Lining
  • Compatible Substrates & Surfaces:Abrasive, Aramid, Carbon Fiber, Glass Fiber
  • Processing Methods:Casting, Encapsulation, Potting
  • Features:Acid Resistance, Chemical Resistance, Corrosion Resistance, High Cross Linked Density, High Reactivity, High Strength, High Temperature Performance, High Viscosity, Improved Chemical Resistance, Improved Gap Filling Properties, Increased Mechanical Strength, Low Shrinkage, Low Viscosity, Solvent Resistance, Thermal Stability
D.E.N.® 425 is a liquid reaction product of epichlorohydrin and phenol-formaldehyde novolac. D.E.N.® 425 Epoxy Novolac Resin is an epoxidized phenolic resin of higher functionality than standard bisphenol Abased liquid epoxy resins. Epoxy novolac resins combine, in one molecule, the thermal stability of a phenolic backbone with the reactivity and versatility of an epoxy. They are distinguished by particular good thermal stability, mechanical strength and resistance against chemicals. They find ready acceptance for lining pipelines, storage tanks and pumps. D.E.N.® 425 Epoxy Novolac Resin has been developed to fill the gap between the two functional standard bisphenol F based liquid epoxy resins and the high viscous epoxy novolac resins. It has a viscosity similar to a standard bisphenol A based liquid epoxy resin. The multi-functionality, ± 2.5 epoxy groups per mole, of D.E.N.® 425 Epoxy Novolac Resin produces a more tightly cross-linked cured system than bisphenol A based liquid epoxy resins having improved high temperature performance and improved resistance against various chemical.
Dynasylan® VPS 4721 banner
Palmer Holland, Inc. company logo
Palmer Holland, Inc.Dynasylan® VPS 4721
  • Principal:Evonik Corporation Silanes
  • Functions:Adhesion Promoter, Adhesion Promoter, Coupling Agent, Crosslinking Agent, Crosslinking Agent, Reinforcement, Sizing Agent, Surface Modifier, Surface Modifier
  • Chemical Family:Polysiloxanes
  • End Uses:Fiberglass Reinforced Composites, Foundry Resins, Polymer Dispersion, Primer, Roof Coating
  • Compatible Polymers & Resins:Acrylates, Acrylics, Epoxies (EP), Ethylene Propylene Diene Monomer (EPDM), Phenolic Epoxy Resin, Polyurethanes (PU), Polyvinyl Acetate (PVA), Polyvinyl Chloride (PVC), Thermoplastic Elastomers (TPE)
  • Labeling Claims:Asbestos-free, Azo Compounds-free, Cadmium-free, DEHP (Diethylhexylphthalate) Free, Dibutyl Phthalate (DBP)-free, Diisobutyl Phthalate (DIBP)-free, Formaldehyde-free, Hexavalent Chromium-free, Lead-free, Mercury-free, Non-Hazardous, Polybrominated Biphenyls (PBB)-free, Polybrominated Diphenyl Ethers (PBDEs)-free, Polychlorinated Biphenyls (PCB)-free, Polychlorinated Naphthalenes (PCN)-free, Polyvinyl Chloride (PVC)-free
  • Features:Corrosion Resistance, Excellent Storage Stability, Good Electrical Properties, Good Elongation, Good Mechanical Properties, Good Moisture Resistance, Good Wet Adhesion, High Crosslinking, High Impact Strength, High Tensile Strength, Improved Flexural Strength, Improves Adhesion, Stain Resistance
Dynasylan® VPS 4721 is a bifunctional organosilane possessing a reactive organic epoxide and hydrolyzable inorganic methoxysilyl groups. The dual nature of its reactivity allows VPS 4721 to bind chemically to both inorganic materials (e.g. glass, metals, fillers) and organic polymers (e.g. thermosets, thermoplastics, elastomers), thus functioning as an adhesion promoter, crosslinking agent and/or surface modifier. Dynasylan® VPS 4721 is a colorless liquid. It is soluble in alcohols, ketones and aliphatic or aromatic hydrocarbons.

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