Polysulfide polymer-polyepoxy res- ins may be safely used as the food-contact surface of articles intended for packaging, transporting, holding, or otherwise contacting dry food, in accordance with the following prescribed conditions:
List of substances | Limitations |
Bis(2-chloroethyl) formal | |
Bis(dichloropropyl) formal | Cross-linking agent. |
Butyl alcohol | Solvent. |
Carbon black (channel process) | |
Chlorinated paraffins | Cross-linking agent. |
Epoxidized linseed oil | |
Epoxidized soybean oil | |
Epoxy resins (as listed in § 175.300(b)(3) (viii)(a) of this chapter). | |
Ethylene glycol monobutyl ether | Solvent. |
Magnesium chloride | |
Methyl isobutyl ketone | Solvent. |
Naphthalene sulfonic acid-formaldehyde condensate, sodium salt | |
Sodium dibutyl naphthalene sulfonate | Wetting agent. |
Sodium hydrosulfide | |
Sodium polysulfide | |
[BETA],[BETA]',[GAMMA],[GAMMA]'-Tetrachloro normal propyl ether | Cross-linking agent. |
Titanium dioxide | |
Toluene | Solvent. |
Trichloroethane | Cross-linking agent. |
1,2,3-Trichloropropane | Do. |
Urea-formaldehyde resins | |
Xylene | Solvent. |
21 C.F.R. §177.1650