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UV-1130 has good resistance to high temperatures and extraction, making it particularly suitable for industrial and automotive coatings with high weather resistance requirements.
UV-1130 is a hydroxyphenylbenzotriazole ultraviolet light absorber, the appearance is light yellow to light amber viscous liquid, soluble in polar and non-polar solvents, insoluble in water, can effectively protect the coating gloss, avoid cracking and spotting.
Items | Specifications | Results |
Appearance | Light yellow viscous liquid | Light yellow viscous liquid |
Ash(%) | ≤0.05 | 0.007 |
Loss On Drying(%) | ≤1.0 | 0.35 |
Monomer(%) | 40-50 | 45 |
Dimer(%) | 35-45 | 41 |
PEG(%) | 12-16 | 14 |
Transmittance(%) | 460nm:≥97 | 99.4 |
500nm:≥98 | 99.7 | |
Conclusion | The product conforms to the above specifications. | |

| Product parameters | |
| Cas number: | 104810-48-2 |
| Appearance: | Pale yellow transparent liquid |
| Purity: | 99%min |
| Package details: | 50kg/drum |
| Brand: | Fortunachem |
Uses:
Tinuvin-1130 (also known as UV-1130 or Primesorb 1130) is a high-performance, liquid ultraviolet (UV) light absorber belonging to the hydroxyphenylbenzotriazole class. It appears as a pale yellow to light amber viscous liquid and is primarily used to protect materials from UV-induced degradation, such as yellowing, cracking, blistering, and loss of gloss.
Key Characteristics
Broad UV Absorption: It efficiently absorbs harmful UV radiation in the 270–400 nm range (with a maximum absorption wavelength of 346 nm), protecting materials from the source.
High Temperature & Extraction Resistance: It maintains its stability and effectiveness even under high-temperature processing conditions (e.g., automotive paint baking at 140–160°C) without washing out or degrading.
Water-Based Compatibility: Unlike many traditional UV absorbers, Tinuvin-1130 is easily emulsified and disperses well in water-based systems (often using co-solvents like diethylene glycol diethyl ether).
Primary Uses and Applications
Tinuvin-1130 is widely used across several industries to extend the service life and maintain the appearance of products exposed to outdoor environments:
Automotive and Industrial Coatings: It is extensively used in automotive original equipment manufacturer (OEM) paints, clear coats, and industrial paints (such as fluorocarbon coatings for steel structures). It prevents the paint from chalking, fading, cracking, and losing gloss under harsh sunlight.
Wood Protection: It provides sufficient protection for light-sensitive substrates like wood, preventing outdoor wooden furniture and structures from weathering and degrading.
Plastics and Engineering Polymers: It is added to transparent plastics (like PC and ABS) and polyolefin films to prevent yellowing and maintain transparency and mechanical strength during UV aging.
Photovoltaic Modules: It is utilized in the encapsulants of solar panels to protect the materials from long-term UV exposure.
Synergistic Formulations
In commercial applications, Tinuvin-1130 is rarely used alone. It is typically combined with Hindered Amine Light Stabilizers (HALS), such as Tinuvin 292 or Tinuvin 123. This combination creates a powerful synergistic effect that significantly enhances the overall weather resistance of the coating or plastic. The recommended dosage for coatings is generally between 1% and 3% relative to the solid resin content.






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FAQ From Wuhan Fortuna Chemical Co.,Ltd
Q1: Can I get a sample for free ?
A: For small QTY and low value product, we can provide sample for free exclude shipping cost. For high value sample, we will charge the basic sample cost, but we can refund all the cost if customers place order after sample test.
Q2: How to confirm the product quality before placing orders ?
A: Most of our products confirm to international standards like USP/EP/BP/JP/CP. We will provide COA/TDS/MSDS for customers to confirm the specification before placing order.
Q3: What is the payment you accept?
A: For small and low value order, we accept CreditCard, MaterCard,VISA,Western Union and T/T.For large order, we can do T/T and L/C. Any pay on delivery or pay-after are not available for us.
Q4: What is your shipment way ?
A: For less than 100kg gross weight order will ship with courier like FedEx or UPS, we support customers to place courier orders remotely by their account, we will package the goods well and wait for pick up.For more than 100kg goods, we will transport by Air or Sea according to customers' requirement.
Q5: How long is your after-sales service?
A: We accept customer’s quality complaint in three month after customer received the goods. We provide tech.support for all-life if customer place order from our company.
Q6: How do you treat quality complaint ?
A: We support customer to provide our products to any rightful third party testing organization to test our products according to the COA specification, if the test result is confirm with COA, we will take all the loss for customers.



Name:Wuhan Fortuna Chemical Co.,Ltd
Category:Others
Trade Category: Trading Company
Employees: 11 - 50 People
Address: Room 2015, No.2 Building, Kaixin Mansion No.107
Company Information: Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical and Intermediates, Food and Feed additives, Fine chemicals,Biochemical and Reagent, which is the members of Hubei E-commerce Chamber.
Our company has professional persons who major in chemical R&D and sicentific management, supply fine chemical products with high quality and close service, also supply custom-tailored products according to our clients' requirement.
We have a positive and self-motivated management work team with a common philosophy, caring and commitment through teamwork, our team strive to achieve success in delighting our clients and ourselves.
Since Wuhan Fortuna Chemical Co., Ltd founded, we continuously innovate our products and improve our service, sales network. Hence, we initiate the first sale mode on net in China, which is the retail trade of small package bring along wholesale of diversified management modes. Our products are exported widely to South Korea, Vietnam, Australia, Europe and South America, highly recommended by our clients.We insist on the management creed “Market is our compass, Quality is our life, Credit is our soul”. Clients’ trust is our forward power, their satisfaction is our struggling goal.
Wuhan Fortuna Chemical Co.,Ltd is a professional manufacturer which provide Absorber UV-1130 with good quality and best price, welcome to contact us to get COA/TDS/MSDS of Absorber UV-1130.
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