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Chemical name: Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate
Molecular formula: C28H52O4N2
Molecular weight:480.7
Specification :
Item&nb
Chemical name: Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate
Molecular formula: C28H52O4N2
Molecular weight:480.7
Specification :
Item Standard
Appearance white crystal powder
Content (%) ≥ 99.0 %
Melting point (℃) 81℃ -85 ℃
Volatile % ≤0.5
Transmittance(%) 425nm ≥97.0%
500nm ≥98.0%
Characteristic:
1. Odorless, will not make the polymer have smells.
2. Excellent thermal stability,it can be used in the product,which be required high-temperature processing.
3. It has a good copolymerization with polymer,and provide a great protection effect to polymer to reduce the harmfulness from ultraviolet ray.
4. Keeping the original color.
5. It have double effects when it use with other UV-absorber.
Application
This product is a high-efficiency,low- toxicity hindered amine light stabilizer. For plastic molding ,it just need a little dosage to the plastic products,then will have nice light stabilizer effect .Moreover,if UV-770 used with other UV-absorber for High polymer,will play a great function to resist the ultraviolet ray.UV-770 especially be suitale for PP,HDPE and ABS. In addition,it also can protect the plastic products ,like
PU,PS,PE,PA ,Coating, Adhesive and rubber etc.
Recommended dosage(the below weight just be reference )
1.Styrenic polymer:0.3-0.5 wt% for ABS ;0.2-0.3 wt% for Styrene ;
0.2-0.3wt% for Impact resistance polystyrene .
2.Polypropylene:0.1-0.3 wt%
3.High density polyethylene:0.15-0.3 wt%
4.Polyurethane:0.1-1.0 wt%
5.Polyester:0.2-0.3 wt%
6.Polyamide:0.2-0.3 wt%
Toxicity & Safety:
Low-toxicity,UV-770 can be handled as an industrial chemical provided the following handing precautions are strictly observed:
1. Wearing gloves to protect the skin.
2. Keeping a clean and well ventilated workplace.
3. Wearing goggles and mask to prevent harm to eyes and respiratory system.
Storage: This product should be stored in a closed,shady,dry and dark place, avoid to contact with the sunshine directly.
Package:25kg/ Cardboard barrel or carton, lined with plastic bag.Or according to customers’ requirements.
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