Also known as: SPF, Spray foam insulation, Two-component foam, PU foam
Quick Facts
CAS Number
Mixture
Signal Word
DANGER
GHS Hazard Classes
flammable, harmful, health hazard
NFPA Rating
Health: 2 / Flammability: 3 / Reactivity: 1
Common Names
SPF, Spray foam insulation, Two-component foam, PU foam
Hazard Summary
⚠ DANGER: Contains isocyanates (MDI/TDI) which are potent respiratory sensitizers — single high-dose exposure can cause permanent occupational asthma. Cured foam is relatively inert but curing vapours require full respiratory protection.
GHS Hazard Pictograms
🔥 Flammable⚠ Harmful/Irritant❤️ Health Hazard
Hazard Statements (H-codes)
H222 – Extremely flammable aerosol (propellant)
H315 – Causes skin irritation
H319 – Causes serious eye irritation
H334 – May cause allergy or asthma symptoms or breathing difficulties if inhaled (MDI/TDI isocyanates)
H351 – Suspected of causing cancer
Precautionary Statements (P-codes)
P260 – Do not breathe vapours (isocyanates)
P284 – Use respiratory protection
P342+P311 – If experiencing respiratory symptoms: Call Poison Control
First Aid Measures (Section 4)
👁Eye Contact▼
Flush with water for 15 minutes. Cured foam must be mechanically removed — do not use solvents near eyes. Seek medical attention.
🖐Skin Contact▼
Uncured foam: remove with dry cloth then solvent while still wet. Cured foam requires mechanical removal. Wash with soap and water. Chemical sensitization possible.
🫁Inhalation▼
Remove to fresh air. Isocyanate sensitization may cause permanent asthma — seek medical evaluation even after apparent recovery. Report exposure to physician.
🫦Ingestion▼
Rinse mouth. Call Poison Control (1-800-222-1222). Seek medical attention.
Storage & Handling
🔒 Storage & Handling: Keep away from heat and open flames. Do not puncture or incinerate cans. Store below 50 °C (120 °F) in cool, ventilated area.
PPE Requirements
Full-face air-purifying respirator with organic vapour/P100 cartridge
Chemical splash goggles
Disposable chemical-resistant coveralls
Nitrile gloves
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