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BLS® 292HP Hindered Amine Light Stabilizer (HALS): Data Sheet Download Link
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BLS® 292HP Hindered Amine Light Stabilizer (HALS)
BLS® 292HP – Hindered Amine Light Stabilizer (HALS)
BLS® 292HP – Introduction: BLS® 292HP BLS® 292HP is a fused mass (liquid) hindered amine light stabilizer (HALS) that is a higher purity than the regular BLS® 292. It provides outstanding light stability to many industrial and automotive coatings, as well as providing long-term stability to a wide variety of polymeric systems including styrenics, acrylics, polyethylene, polypropylene, and polyurethane. As a liquid, BLS® 292HP blends easily and disperses completely resulting in lower loading requirements, virtually eliminating the particle dispersion problems associated with traditional powder HALS. The liquid form also allows for outstanding compatibility with a wide variety of coating systems, including waterborne and UV curable coatings.
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BLS® 292HP is a fused mass (liquid) hindered amine light stabilizer (HALS) that is a higher purity than the regular BLS® 292. It provides outstanding light stability to many industrial and automotive coatings, as well as providing long-term stability to a wide variety of polymeric systems including styrenics, acrylics, polyethylene, polypropylene, and polyurethane. As a liquid, BLS® 292HP blends easily and disperses completely resulting in lower loading requirements, virtually eliminating the particle dispersion problems associated with traditional powder HALS. The liquid form also allows for outstanding compatibility with a wide variety of coating systems, including waterborne and UV curable coatings.
Material Description: Hindered Amine Light Stabilizer (HALS)
Chemical Name: Bis (1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate and Methyl(1,2,2,6,6-pentamethyl-4-piperidinyl)sebacate
Empirical Formula: C30H562O4 (Bis….) and C22H39N1O4 (Methyl…)
CAS#:41556-26-7 (Bis…) and 82919-37-7 (Methyl…)
Chemical Structure:
Physical Properties:
| Form: | Fused Mass |
| Color: | Clear to slightly yellow |
| Concentration by Weight: | |
| (Bis…): | 92-96% |
| (Methyl…): | 1-5% |
| Molecular Weight: | |
| (Bis…): | 509 |
| (Methyl…): | 370 |
| Solution (10g/100ml Toluene): | clear |
| Melting Point | 50°C Max |
| Solution (10g/100ml Toluene): | clear |
| % Transmittance: | 425 nm – 95% Min/ |
| 500 nm – 98% Min. | |
| Ash: | 0.1% Max. |
| Viscosity: | 450mPa’s @ 20°C |
| Density: | 0.99 g/cm 3 @ 20°C |
Solubility: Solubility at 20°C (g/100ml solvent):
| Solvent | Solubility |
| Acetone | > 50% |
| Chloroform | > 50% |
| Ethanol | > 50% |
| Ethanol Acetate | > 50% |
| n-Hexane | > 50% |
| Methanol | > 50% |
| Methylene chloride | > 50% |
| Toluene | > 50% |
| Xylene | > 50% |
| Water | <0.01% |
Applications: BLS® 292HP is a sterically hindered amine light stabilizer offering excellent protection against ultraviolet degradation. BLS® 292 is effective in coating applications including coil coatings, automotive coatings, radiation curable coatings, paints, inks and wood stains. BLS® 292HP is highly effective in coatings based on a variety of binders such as: one and two-component polyurethanes; thermosetting and thermoplastic acrylics (physical drying); water borne acrylics; radiation curable acrylics; alkyds and polyesters. In coating applications BLS® 292HP can also be used in combination with other light stabilizers to provide significantly enhanced performance. Additionally, BLS® 292HP is an efficient light stabilizer for use in plastic applications. Specific polymeric systems being styrenics, acrylics, polypropylene, polyethylene, unsaturated polyesters, polyurethane, elastomers and vinyl monomers (PVB and PVC). For plastic applications the addition of antioxidants/process stabilizers is recommended for optimum performance in preventing thermo-oxidative degradation. Sulfur-containing phenolic antioxidants (BNX®1035) may have a negative effect on the performance of BLS® 292HP and should be evaluated in preliminary tests before use.
Advantages
- Excellent miscibility
- Low volatility
- Compatible with a wide variety of systems
- Highly effective in heavily pigmented systems
- Lower loading requirements as a result of complete dispersion
- Synergistic performance with other light stabilizers (coatings) and antioxidants (plastics)
- Extends life time of coatings by minimizing defects such as loss of gloss and cracking
Loading Instructions: The loading data and results are based on laboratory work (and field-testing) under controlled conditions and do not necessarily indicate the result that the buyer or user will attain. For this reason we strongly recommend testing of your own system under the actual conditions of processing and end-use prior to full scale testing. The recommended loading concentrations range between 0.5% and 2.0% depending on substrate, processing conditions, and long-term stability requirements. Exact loading must be determined by compositions of the specific polymer system. The dispersion of BLS® 292HP in waterborne coatings may be facilitated by dilution with a water miscible solvent.
Packaging: BLS® 292HP is available in a fused mass form in a 200 kg (440.8 lb) net steel drum.
Storage: This product may be stored up to 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. BLS® 292 may crystallize during storage below 0°C, but can be easily liquefied by slight warming and mixing.
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, Mayzo, Inc. is not able to recommend this material as safe and effective for such uses and assumes no liability for any such uses. Read and understand the Material Safety Data Sheet before using or handling this product.
FDA Regulations: Supplement BLS® 292HP is not intended for use in applications that come in contact with Food.
BLS® 292HP Hindered Amine Light Stabilizer (HALS)
The information contained herein is believed to be reliable. However, Mayzo, Inc. makes no warranty, whether expressed or implied, including warranties of merchantability or of fitness for a particular purpose, for the product or products referred to herein. No statements or recommendations contained herein are to be constructed as inducements to infringe any relevant patent, now or hereafter existence. Under no circumstances shall Mayzo, Inc. be liable for incidental, consequential, or other damages from alleged negligence, breach of warranty, strict liability, or any other legal theory, arising out of the use of handling of the product or products referred to herein. The sole remedy of the buyer and sole liability of Mayzo, Inc. for any claims shall be limited to the buyers purchase price of the product which is subject of the claim or the amount actually paid for each product, whichever is less. Technical advice furnished by seller shall not constitute a warranty, which is expressly disclaimed, all such advice being given and accepted at the buyers risk.