Technical Data Sheet
LeSORB® UV-770
Application Recommend :
- ABS
- PP & PE
- EPDM
- PA & Nylon
- TPE , TPV & TPU
- PS
LeSORB® UV 770 is a hindered amine light stabilizer , recommended to be used in polypropylene; impact
modified PP (TPO),EPDM, polystyrene, IPS, ABS , SAN, ASA and polyurethanes and is also effective in
polyamides and polyacetals . LeSORB® UV 770 most demanding in india.
Chemical name : Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate
Formula : C28H52O4N2
CAS NO.: 52829-07-9
Structure:
Physical Properties:
| Item | Standard |
| Appearance | White Crystalline Powder Or Granules |
| Molecular Weight | 481 |
| Melting Range | 80-85 °C |
| Relative Density | 1.05 g/cm3 |
| Ash content | ≤0.1% |
| Loss on Drying | ≤0.5% |
| Light Transmittance: 425nm :- 500nm :- | ≥98% ≥99% |
Volatility Pure substance; TGA, heating rate 20 °C /min in air :
| Weight Loss (%) | Temperature ℃ |
| 0.7 | 150 |
| 0.7 | 175 |
| 1.0 | 200 |
| 2.1 | 225 |
| 7.2 | 250 |
| 19.8 | 275 |
Solubility At 20 °C (g/100ml solvent):
| Solvent | Solubility |
| Acetone | 19% |
| Chloroform | 45% |
| Ethanol | – |
| Ethyl Acetate | 24% |
| n-Hexane | 5% |
| Methanol | 38% |
| Methylene Chloride | 56% |
| Toluene | – |
| Water | <0.01 |
Dosage:
- ABS : 0.3-0.5wt% based on polymer weight
- PS : 0.2-0.3wt% based on polymer weight
- HIPS : 0.2-0.3wt% based on polymer weight
- High density polyethylene : 0.2-0.3wt% based on polymer weight
- Polyamide : 0.2-0.3wt% based on polymer weight
- Polyester : 0.2-0.3wt% based on polymer weight
Toxicity & Safety:
LeSORB® UV-770 is not intended for use in products for which prolonged contact with mucous membranes or abraded skin, or implantation within the human body is specially intended, unless the finished product has been tested in accordance with the Food and Drug Administration and/or other applicable safety testing requirements. Because of wide range of such potential uses, Nanjing Lepuz Chemical Co., Ltd is not able to recommend this material as safe and effective for such uses and assumes no liability for any such uses.
Storage:
LeSORB® UV-770 may be stored up to two years in a sealed container. Containers should be stored in a cool, dry area. Extended storage at elevated temperatures or exposure to direct heat or sunlight could reduce product life. Keep containers sealed when not use.
Handling:
In accordance with good industrial practice, handle with care and avoid unnecessary personal contact. Protect skin. Prevent contamination of the environment. Avoid dust formation and ignition sources.
Packing:
LeSORB® UV-770 is available in a 25kg(55.1 pound) carton box, net weight, with an inner PE liner.
LAVEEK ADDCHEM is LeSORB® UV 770 supplier in india.