General Product Properties
CAS #: 6600-31-3
EC #: 229-542-8
Formula Weight: 320.43 g/mol
Melting Point: 90°C/ 194°F
Physical State: Solid- Pastilles
Appearance: Beige / Brown
Vac-11 (3,9-dicyclohex-3-enyl-2,4,8,10-tetraoxaspiro(5,5)undecane) is a cyclic acetal (pentaerythritol-bis-tetrahydrobenzaldehyde acetal). Product Overview: Nonstaining antiozonant, excellent dynamic protection and excellent antioxidant protection. Protect vulcanizates where color and design play a major role, perfectly suit for light-color and color rubber products, will not change products’ color.
16.5 Gallon All Fiber Drum, 25 KG, net.
Storage and handling guidelines
Keep container tightly closed in a dry and well-ventilated place. Keep cool (approximately 25 °C). Shelf-life: 2 years
Reference: Cymer SDS VAC-11 (Pastilles)
- VAC-11 I non-staining property makes it possible to be used in light-color or color products , especially high-level rubber products, such as
- Profiles, hose, seal, cable, auto parts
- IIR tube, cycle tire, white sidewall, color tire
- Sneakers and other leisure products
(5,5)undecane) VAC-11is highly effective in CR, C IIR
and BIIR, even without wax.
- Also used in NR, SBR or blended rubber, and IIR/CR
(95/5) blended rubber or inner rubber.
- No protection from heat oxidation, flexing
resistance, or rubber poisons, need to synergies with
other anti-aging agents.
|Purity by GC
(% area normalization)
|Loss on Drying, %
|Residue on Ignition , %
|Melting point, ̊C
||off-white color pastilles
These figures are given as a guide. Full specifications available on request.
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