White Crystal Powder CAS 52829-07-9 Light Stabilizer Hals 770 / UV 770

• Customization: Available
• CAS No.: 52829-07-9
• Formula: C28h52o4n2
• Model NO.: uv 770
• Certification: REACH
• Environmental Protection: No
• Color: White
• Kind: Stabilizer
• Appearance: Granulars
• Name: Hindered Amine Light Stabilizer 770
• CAS: 52829-07-9
• Purity: 99.0% Min
• Transmittance(425nm): 95.0% Min
• Transmittance(500nm): 97.0% Min
• Volatile: 0.50% Max
• Ash: 0.1% Max
• Transport Package: in 25kgs Net Carton or Drum
• Trademark: SWC
• Origin: China
• Production Capacity: 20kg Per Month

Product Description

Product Name:      HALS 770

Identification
Synonyms              Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate; Decanedioic acid bis(2,2,6,6-tetramethyl-4-piperidinyl)ester
Molecular Formula  C28H52O4N2
Molecular Weight   480.73
CAS Number           52829-07-9
EINECS/ELINCS       258-207-9

Properties
Appearance            white crystals or granular
Melting Point          82-85 °C
Specific Gravity      1.05g/ cm3 (20 °C )
Stability                   stable under ordinary conditions

 

Item	Specification
Appearance	White crystals or granular
Purity	99.0% min
Transmittance(425nm)	95.0% min
Transmittance(500nm)	97.0% min
Volatile	0.50% max
Ash	0.1% max

Application
UV-770 is a hindered amine light stabilizer (HALS), used for polypropylene (tapes, films, thick items), polyethylene (thin and thick items) styrenics (acrylonitrile butadiene styrene, polystyrene, high impact polystyrene), polyurethane, polyacetal, polyamide.

Recommended Applications
1.Polypropylene :
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
2. High density polyethylene : 0.2-0.3wt% based on polymer weigh
3. Polyamide: 0.2-0.3wt% based on polymer weigh
4. Polyester: 0.2-0.3wt% based on polymer weigh

Packing and Storage
Packing    In 25kgs net carton or drum
Storage    Keep tightly closed.

Frequently Asked Questions

Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; 

For those high value products, you just need to freight and certain product cost. When we both cooperate for 

some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you. 

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) 

or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,

shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on 

where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement. 

Q5: How can you guarantee the goods you offer is qualified? 
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide 

for you all are qualified. We will have goods tested and provide COA before delivery for sure.