Urea, polymer with formaldehyde
Appearance: solid; or liquid.
Solubility: soluble in water; insoluble in water (thermosetting).
Risk: irritation, irritation to skin, eye.
Animal toxicity: guinea pig oral LD: > 2320mg/Kg;
mouse oral LD50: 6361mg/Kg;
rabbit skin LD: > 2200mg/Kg;
rat inhalation LC50: > 167mg/m3/4H;
rat oral LD50: 8394mg/Kg;
rat skin LD50: > 2100mg/Kg.
Ecology: May be hazardous to environment. Water body should be given special attention.
Characteristics: excellent film-forming, dispersing abilities. Thermosetting resin. Can release formaldehyde.
Quality standards & test methods
physical and chemical indexes
*: Average molecular weight should be marked.
Use as film-forming agent.
Film-forming agent, bulking agent in personal care products.
Use as adhesives. eg: wood processing.
Use as non-metallic materials.
Use as slow-release nitrogen fertilizer.