Polyurethane foam with a high-quality expanding structure that cures by reacting with humidity in air. It is very easy to use. Once the foam is cured, it can be used as heat and sound insulation with excellent adhesive properties. The cured foam develops a hard skin that can be cut and sanded, but is sensitive to ultraviolet light and direct sunlight. It does not contain ozone-depleting propellants. DANGER. Alkane, C14-17, chlorine; methylene diphenyl diisocyanate, isomers/homologues. H362: May cause harm to breast-fed children. H410 - Very toxic to aquatic life with long lasting effects. H315 - Causes skin irritation. H334 - May cause allergy or asthma symptoms or breathing difficulties if inhaled. H317 - May cause an allergic skin reaction. H351 - Suspected of causing cancer. H335 - May cause respiratory irritation. H373 - May cause damage to organs through prolonged or repeated exposure. H229 - Pressurised container: May burst if heated. H222 - Extremely flammable aerosol. H319 - Causes serious eye irritation.