ARADUR® HY 921

• High glass transition temperature
• Low moisture permeability
• Good thermal stability
• Low viscosity
• Improved thermal shock reisitance
• High modulus
• Non-crystallizing

ARADUR® HY 921 Hardener can be used in epoxy potting, casting, vacuum impregnation. It is also an excellent selection for pultrusion, filament winding and resin transfer molding (RTM) applications.

• Skin: Immediately wash with soap and water. Remove contaminated clothing and launder before reuse. Destroy contaminated shoes.
• Eyes: Immediately flush with water for at least 15 minutes. Call a physician.
• Ingestion: If conscious, give plenty of water to drink. Do not induce vomiting. Call a physician.
• Inhalation: Remove to fresh air. Administer oxygen or artificial respiration if necessary. Call a physician.
• Other: Referral to physician is recommended if there is any question about the seriousness of any injury.

• Avoid contact with eyes.
• Avoid breathing dust.
• Avoid prolonged or repeated contact with skin.
• When poured, resin can generate static electricity sparks which can ignite flammable
• vapors or dusts.
• Use with good ventilation.

Storage temperature is 2 to 40°C. Anhydride is general sensitive to moisture, storage container should be ventilated with dry air only.