CELOGEN® AZ-120 is an azodicarbonamide chemical foaming agent for producing many types of polymeric and elastomeric closed-cell foams.
CelChem CELOGEN® AZ-120 is a chemical foaming agent that produces a fine, uniform closed-cell structure. This grade has a relatively high decomposition temperature and small particle size. CELOGEN® AZ-120 is compatible with polymer systems such as rubber, vinyl, styrenics, thermoplastic elastomers, engineering plastics, and polyolefins, such as high-density polyethylene (HDPE) and low-density polyethylene (LDPE).
CELOGEN® AZ-120 can be catalyzed by a variety of chemicals, including strong activators, such as zinc oxide, zinc stearate, and ACTICELL® U; moderate activators, such as barium stearate, calcium stearate, citric acid, and triethanolamine; and weak activators, such as adipic acid, benzoic acid, salicylic acid, and calcium oxide.
Color: Pale yellow to yellow orange
Form: Powder
Decomposition temperature: 401°F–415°F (205°C–213°C)
Specific gravity @ 25°C: 1.66
Bulk density: 31–38 lbs/ft³ (497–609 kg/m³)
Decomposition gases: N₂, CO₂, CO, NH₃
Gas evolution: 210–220 cc/g
Decomposition residues: Hydrazodicarbonamide, cyanuric acid, urazole, cyamelide, urea
Particle size: 2.0–2.4 µm
Soluble: Alkaline solutions
Insoluble: Most organic solvents and water
Primary Chemistry: Azodicarbonamide
Nondiscoloring
Decomposition residue is white
Very small particle size
Food contact approvals
Limited compatibility of foaming agents with different plastic resins and rubbers
Blowing agent's particle size is too large
Blowing or foaming agent is not food contact approved
Sponge rubber
Expanded plastics
Masterbatches
Compounders
Thermoset and thermoplastic extruders
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