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Slightly Staining Antioxidant
4.4’-Bis (alpha,
alpha-dimethylbenzyl) diphenylamine
DESCRIPTION:
Westco AO-445 is a very slightly staining, and
discoloring in sunlight, antioxidant. Relatively
nondiscoloring during heat aging. For BR, CR,
nitrile (Paracril®) rubbers, EPDM (Royalene®), and
SBR.The combination of high amine antioxidant
activity, good color and low volatility makes it an
ideal antioxidant and heat stabilizer for rubber and
plastics. Westco AO-445 is especially effective in
polyisoprene, Neoprene, nitrile (Paracril), HNBR and
acrylic rubbers.
SPECIFICATIONS:
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*Appearance White to off
white granules |
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*Melting Range: |
98.5 min. |
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*Ash,%: |
0.2 max |
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*Loss on heating,%: |
0.3 Max |
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Size of granules |
1-2 m m |
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Granule hardness |
2-4 n |
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Solubility: |
Insoluble in water |
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* Actual data will be reported on Certificate of
Analysis
Safe Handling: Avoid all personal
contact. Observe good personal hygiene.
Storage: In excess of two (2) years
when stored under normal conditions in a cool, dry
place away from any direct sources of heat and
light.
FDA Status: Meets FDA guidelines.
The technical
information and suggestions for use contained herein
are believed to be reliable, but they are not to be
construed as warranties and no patent liability can
be assumed.
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