2, 2, 6, 6-Tetramethyl-4-piperidinyl stearate (fatty acids mixture)
Melting point:28℃ min
Saponification Value, mgKOH/g : 128~137
Ash Content:0.1% Max
Loss on drying: ≤ 0.5%
Saponification Value, mgKOH/g : 128-137
Transmission, %:75%min @425nm
Properties: It is waxy solid, odorless. Its melting point is 28~32°C, the specific gravity (20 °C) is 0.895. It is insoluble in water and easy to soluble in toluene etc.
It is the hindered amine light stabilizer (HALS). It is mainly used in polyolefin plastics, polyurethane, ABS colophony, etc. It has excellent light stabilization than others and it is toxic-low and cheap.
Package and Storage
1. 20kgs/drum,180kgs/drum or as required by the customer.
2. Store in a tightly closed container.Store in the area that temperature below 40°C.