Light stabilizer HPT

　　Alias: hexamethylphosphoric triamide

　　Appearance: colorless or light yellow transparent liquid.

　　Smell: slightly fishy and astringent.

　　Density: 1.0253～1.0257g/cm3 (20℃).

　　Freezing point: 27°C.

　　Boiling point: 116～117°C (1.48kPa).

　　Refractive index: 1.4582～1.4589 (20℃).

　　It is soluble in polar and non-polar solvents, and can be miscible in any proportion with common plasticizers such as dioctyl phthalate, dioctyl sebacate, triphenyl phosphite, etc.

　　Product usage and precautions

　　This product can be used as a polyvinyl chloride light stabilizer. It can give products excellent outdoor anti-aging performance, so it is known as polyvinyl chloride high-efficiency weathering agent. Adding 2 to 5 parts of this product to the polyvinyl chloride film can not only significantly improve its weather resistance and cold resistance, but also reduce the processing temperature by about 10 ℃. In addition, this product can also be used as polyamide, polyurethane, urea-formaldehyde resin, poly Excellent solvent for various polymer materials such as phenyl sulfide. Usage: The general dosage is 0.1-0.5% in thin products and 0.05-0.2% in thick products. Addition amount under other technological conditions: 0.05-0.3%. Safety Precautions This product is non-toxic, and it should not be used for food-contact products, and should avoid contact with the skin.