Outstanding chemical foaming agent with a relatively low decomposition temperature for producing cellular rubber and expanded plastic.
CELOGEN® OB is a chemical foaming agent that produces a fine, uniform, closed cell structure. It has a relatively low decomposition temperature and small particle size. CELOGEN® OB is treated with a small amount of Calcium Stearate to enhance flow ability.
CELOGEN® OB can be catalyzed by a variety of chemicals. Very strong activators include ACTICELL® U, triethanolamine, and peroxides. Calcium oxide, calcium stearate, stearic acid, cadmium and lead type vinyl stabilizers are all moderate activators. Adipic acid, benzoic acid, salicylic acid, citric acid, lead stearate and zinc stearate are examples of weak activators.
Molecular Weight: 358
Gas Content: Mostly nitrogen
Appearance: White powder
Purity: 93.0% min
Average Particle Size: 5-7 µm
Moisture Content: 0.5% max
Decomposition Point.: 158~164°C
Gas Yield: 125~140 ml/g @ S.T.P.
pH: 6-8
Soluble: Dimethyl sulfoxide and dimethylformamide
Insoluble: Benzene, water
Primary Chemistry: 4,4'-Oxybis (benzenesulfonylhydrazide)
Non-staining
Non-discoloring
Non-toxic
Odorless
Evolves ammonia-free gas
Does not effect cure rate of rubber
Does not effect PVC stability
High temperature required for the activation of blowing agents
Poor sponge rubber and plastic expansion due to temperature limitations
Phenolic resins, thermoplastic rubber, Epoxy, NBR-PVC blends for cellular cable insulation
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