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Foundry Resins

Bakelite Synthetics manufactures an extensive line of PHENOLIC RESINS for foundry applications.

Our solid RESI-FLAKE® resins were developed for use in foundry shell and core molds applications. Liquid RESI-SHELL® resins are used in the production of foundry shell molds and cores by the warm air sand process, and can be used in combination with RESI-FLAKE resins as a properties modifier. RESI-SET® liquid resins are specifically designed for foundry no-bake applications.

These products feature varying degrees of melt points, tensile strength, peel-back resistance or other properties. There is also a line of phenolic powders for use in shell glue binders. Examples of the products are below:

FOUNDRY RESINS - FOUNDRY-1

FOUNDRY Process Usage Form Non-Volatiles, % Viscosity, cps pH (glass electrode) Water Content, % Free Phenol, % Free Formaldehyde, % Comments
RESI-SET 2186 No-bake Shell molding Liquid 61 – 63 100 – 125 6.6 – 7.0 16 – 19 14.5 – 16.0 0.4 max. For use with TSA or BSA acid catalysts. One month storage life at 77°C
RESI-SHELL 510G21 Warm air sand Shell molding and cores Liquid 67 – 69.5 500 – 1500 8.5 – 9.5 21 – 24 0.1 - 0.5 0.1-4.0 Limited water dilute capability. May be diluted with solvents such as methanol

FOUNDRY RESINS - FOUNDRY-2

FOUNDRY Process Usage Form Melt Viscosity, cps @150°C, (300°F) Water Content, % (Calculated) Free Phenol, % Free Formaldehyde, %
RESI-FLAKE 383G60* Shell process Molding sands for shells and cores Flake 1,200 – 2,000 0.8 max. 1.0 max. 0 – 0.0001
RESI-FLAKE 2037* Shell process Foundry Flake 1,950 – 2,500 0.8 max. 4.0 – 4.9 0 – 0.0010
RESI-FLAKE 2039* Shell process Molding shells and cores Flake 2,900 - 6,900 0.8 max. 1.7 - 2.3 0 - 0.0010

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Michael Stahl

Your contact for general requests.

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Gaye Haas

North America, South America, Australia

Your contact for Phenolic and Amino Resins.

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Heike Haas

Africa, Asia, Europe, Russia

Your contact for Phenolic and Amino Resins.

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Ramesh Pisipati

Your contact for Aromatic Polyols.

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Rene Hackler

Your contact for Molding Compounds.

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Jan Prins

Your contact for Formaldehyde.

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