NOCHEK® 4607A Microcrystalline Wax CAS#

NOCHEK® 4607A is a blend of specially selected petroleum waxes, recommended for use as an antioxidant in rubber.  Specific gravity 0.92.  NOCHEK® 4607A is highly effective in natural and synthetic rubbers for the prevention of surface cracking and weathering due to ozone in the atmosphere.  It has been found to have excellent performance under a wide range of climatic conditions.  Because of its controlled rate of bloom to the surface of the rubber compound, NOCHEK® 4607A is very effective under prolonged exposure.  NOCHEK® 4607A is available in free-flowing granular form and is easily dispersible into the rubber compound.  It also acts as a processing aid, being effective as a lubricant and as a mold release agent.  In addition, because it is non-staining it is especially suitable in light colored compounds such as those for white side walls in tires.

TYPICAL USES: Rubber tires / Industrial and automotive rubber goods / Wire and cable insulation

FDA STATUS:   This product meets the FDA requirements set forth in 21 CFR 178.3710 for use in non-food articles in contact with food and in 21 CFR 172.886 for use in food



ASTM METHOD , Minimum Specifications, Maximum Specifications, TYPICAL

Drop Melt Point °F (°C)

D 127, 157 (69.4), 167 (75), 159 (70.6)

Kinematic Viscosity, cSt @ 212°F (100°C)

D 445, 5.4, 7.0, 6.4

Oil Content, Wt%

D 721, ----, ----, 0.8

ASTM Color

D 6045, ----, 1.5, 0.7

Needle Penetration, dmm @ 77°F (25°C)

D 1321, ----, ----, 11

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      • Western Reserve Chemicals
      • 60 S. Seiberling Street
      • Akron, OH 44305

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