UV absorbent UV 327 UV327
- Category: >>>
- Supplier: Nanjing Lepuz Chemical Co. Ltd.
Share on (60727962812):
Product Overview
Description
Product Description
UV Absorbent 327 (UV-327, UV 327, UV327)
Other Names: Ever-sorb75; Lo-wilite 27
UV-327(Benzotriazole UV Absorber 327 )
Chemical name : 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole
Introduction : UV-327 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-327 is recommended in a variety of polymers and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives.
Empirical Formula : C17H18N30Cl
CAS NO : 3864-99-1
Physical Properties
Molecular Weight : 357.9
Appearance : slight yellow powder
Melting Range : 154-157 °C
Flashpoint : 234 °C
Specific Gravity(20 °C) : 0.37g/cm3
Volatility Pure substance; TGA, heating rate 20 °C /min in air
Weight Loss (%) | Temperature °C |
1.0 | 190 |
2.0 | 205 |
5.0 | 225 |
Solubility At 20 °C (g/100ml solvent)
Solvent | Solubility |
Acetone | 1% |
Benzene | 16% |
Chloroform | 19% |
Cyclohexane | 5.0% |
Ethyl Acetate | 5.0% |
n-Hexane | 4.0% |
Methanol | <0.1% |
Methylene Chloride | 17% |
Water | <0.01% |
Applications
1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight
2.PVC:
Rigid PVC : 0.2-0.5wt% based on polymer weight
Plasticized PVC : 0.1-0.3wt% based on polymer weight
3.Polyurethane : 0.2-1.0wt% based on polymer weight
4.Polyamide : 0.2-0.5wt% based on polymer weight
Toxicity & Safety
This material 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, we are not able to recommend this material as safe and effective for such uses and assumes no liability for any such uses.
Storage
This product may be stored for one year 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 in use.
Benzotriazole UV Absorber 327
Packaging & Shipping
UV-327 is available in powder form in a 20 kg (44.1 LB) carton box, net weight, with an inner PE liner.
Application
Main products
Our Services
We have exact inventory plans to guarantee stable supply.
We have many years’ experience of chemical logistics and dangerous chemical managers with specially trained, which ensure the safety and right of chemicals, timely logistics.
Our laboratory takes strictly testing on every lot of goods according to customers’ requirement. Meanwhile we has good relationship with the third party company SGS.
After-sales service is the important part in our service. If there are quality problems, we will actively cooperate with the customers and solve the problems early.
We expect to become good partners with our customers for long.
Company Information
FAQ
Q: Do you have any certificate for quality?
A: Yes, we have ISO9001:2008 quality system certificate and REACH.
Q: Can you customize products?
A: Yes, we can.
Q: Can you provide samples for quality checking before placing an order?
A: Samples are avaliable upon request, but the shipping cost should be paid by customer.
Q: How to get the price list?
A: Please inqire us by alibaba/email.
Q: What's your payment term?
A: TT/LC/DA/DP/Paypal
We Recommend
New Arrivals
New products from manufacturers at wholesale prices
