Light / Heat Stabilizers
Explore our Light / Heat Stabilizers chemical additives sourced from qualified Chinese manufacturers — competitive pricing, reliable quality. 57 products available.
light heat stability
6PPD Antiozonant
CAS: 793-24-8
6PPD Antiozonant providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Anti-Yellowing Agent HALS
CAS: 106990-43-6
Anti-Yellowing Agent HALS is a high-performance specialty chemical additive widely used in industrial coating, adhesive, and material applications. Provides excellent performance characteristics and reliability.
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Antioxidant
CAS: 6683-19-8
Pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] (Irganox 1010) is a primary hindered phenolic antioxidant providing long-term thermal stabilization for polyolefins, engineering plastics, adhesives, and lubricants. It scavenges peroxy radicals generated during thermo-oxidative degradation, preventing discoloration and loss of mechanical properties. Demonstrates excellent synergy with phosphite co-antioxidants for comprehensive stabilization packages.
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Antioxidant 1076
CAS: 2082-79-3
Antioxidant 1076 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Antioxidant 1098
CAS: 23128-74-7
Antioxidant 1098 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Antioxidant 1330
CAS: 1709-70-2
Antioxidant 1330 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Antioxidant 245
CAS: 36443-68-2
Antioxidant 245 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Antioxidant 3114
CAS: 27676-62-6
Antioxidant 3114 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Ba-Zn Heat Stabilizer
CAS: 6865-35-6
Ba-Zn Heat Stabilizer providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Benzophenone UV Absorber
CAS: 531-18-0
2,4-Dihydroxybenzophenone (UV-0) benzophenone-class UV absorber that provides broad UV protection from 270–340 nm through reversible photoenolization. It is a cost-effective UV stabilizer particularly suited for rigid PVC, polystyrene, and polyolefin applications where light absorption in the near-UV range is critical. Good compatibility with most plasticizers and polymer matrices.
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Benzotriazole UV Absorber
CAS: 2440-22-4
2-(2'-Hydroxy-5'-methylphenyl)benzotriazole (UV-P) benzotriazole-class UV absorber that efficiently absorbs UV radiation between 300 and 380 nm through an intramolecular proton transfer mechanism. It is widely used in coatings, plastics, and adhesives to prevent photodegradation. Its high extinction coefficient and low volatility ensure durable UV protection across a variety of substrates.
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Ca-Zn Heat Stabilizer Blend
CAS: 557-05-1
Ca-Zn Heat Stabilizer Blend is a high-performance specialty chemical additive widely used in industrial coating, adhesive, and material applications. Provides excellent performance characteristics and reliability.
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Calcium Stearate Stabilizer
CAS: 1592-23-0
Calcium Stearate Stabilizer providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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DLTDP Thioester Antioxidant
CAS: 123-28-4
DLTDP Thioester Antioxidant providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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DSTDP Thioester Antioxidant
CAS: 693-36-7
DSTDP Thioester Antioxidant providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Epoxy Soybean Oil Stabilizer
CAS: 8013-07-8
Epoxy Soybean Oil Stabilizer providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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HALS (Hindered Amine Light Stabilizer)
CAS: 52829-07-9
Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate (HALS-770) is a low-molecular-weight hindered amine light stabilizer that quenches free radicals generated by UV radiation in coatings, plastics, and fibers. Unlike UV absorbers, HALS interrupts the photo-oxidation chain reaction without directly absorbing UV light, and is regenerated during the stabilization cycle for sustained long-term performance. It is widely used in outdoor applications where extended weathering resistance is required.
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HALS 123 Light Stabilizer
CAS: 129757-67-1
HALS 123 Light Stabilizer providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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HALS 292 Light Stabilizer
CAS: 41556-26-7
HALS 292 Light Stabilizer providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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HALS 622 Light Stabilizer
CAS: 65447-77-0
HALS 622 Light Stabilizer providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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HALS 770 Light Stabilizer
CAS: 52829-07-9
HALS 770 Light Stabilizer providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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HALS 944 Oligomeric
CAS: 70624-18-9
HALS 944 Oligomeric providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Heat Stabilizer
CAS: 119-47-1
Calcium-zinc complex heat stabilizer for PVC processing that provides excellent initial color hold and long-term thermal stability without heavy metals. It prevents dehydrochlorination and discoloration of PVC during extrusion, calendering, and injection molding. Complies with EU REACH regulations and is suitable for flexible and rigid PVC applications.
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Hindered Amine Light Stabilizer (High MW)
CAS: 65447-77-0
High-molecular-weight oligomeric hindered amine light stabilizer (HALS) based on a polymeric piperidine structure, providing outstanding durability in polyolefin films, fibers, and thick-section plastics. The high molecular weight minimizes volatility and extractability, ensuring the stabilizer remains effective throughout the lifetime of the product. Particularly effective in polypropylene and polyethylene applications.
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IPPD Antiozonant
CAS: 101-72-4
IPPD Antiozonant providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Iodonium Salt Photoinitiator
CAS: 68156-13-8
Iodonium Salt Photoinitiator providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Light Stabilizer 622
CAS: 65447-77-0
Light Stabilizer 622 is a high-performance specialty chemical additive widely used in industrial coating, adhesive, and material applications. Provides excellent performance characteristics and reliability.
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Light Stabilizer 944
CAS: 70624-18-9
Light Stabilizer 944 is a high-performance specialty chemical additive widely used in industrial coating, adhesive, and material applications. Provides excellent performance characteristics and reliability.
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Liquid Photoinitiator
CAS: 75980-60-8
Phenylglyoxylic acid methyl ester (MBP) liquid photoinitiator with strong absorption at 365–405 nm, making it particularly effective under visible-range and LED UV light sources. Its liquid form eliminates the dissolution step required for solid photoinitiators and ensures excellent homogeneity in liquid coating formulations. Low odor and low migration suit it for food packaging and electronic coatings.
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NOR-HALS (N-Alkoxy HALS)
CAS: 191743-75-6
N-alkoxy hindered amine light stabilizer (NOR-HALS) offering unique compatibility with acidic pigments and flame retardants while maintaining exceptional UV stabilization efficiency. Unlike conventional HALS, NOR-HALS is effective in the presence of acid catalysts used in baked coating systems and provides superior durability in UV-curable and acid-catalyzed melamine coatings. Recommended for automotive clearcoat and powder coating applications.
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Organotin Heat Stabilizer
CAS: 77-58-7
Organotin Heat Stabilizer is a high-performance specialty chemical additive widely used in industrial coating, adhesive, and material applications. Provides excellent performance characteristics and reliability.
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Organotin Heat Stabilizer
CAS: 26401-97-8
Organotin Heat Stabilizer providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Phenolic Antioxidant
CAS: 1709-70-2
1,3,5-Trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene (Irganox 1330) high-molecular-weight, low-volatility hindered phenolic antioxidant for thermal stabilization of polyolefins and adhesives at elevated processing temperatures. Its trifunctional structure and high molecular weight provide exceptional permanence and long-term protection against oxidative degradation.
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Phosphite Antioxidant
CAS: 31570-04-4
Tris(2,4-di-tert-butylphenyl) phosphite (Irgafos 168) secondary phosphite processing stabilizer that decomposes hydroperoxides formed during melt processing before they generate free radicals, thereby preventing color development and maintaining melt viscosity. It is the most widely used processing stabilizer for polyolefins, offering synergistic performance with hindered phenolic primary antioxidants.
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Phosphite Antioxidant 126
CAS: 26741-53-7
Phosphite Antioxidant 126 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Phosphite Antioxidant 618
CAS: 19074-59-0
Phosphite Antioxidant 618 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Phosphonite Antioxidant
CAS: 9003-17-2
Phosphonite Antioxidant is a high-performance specialty chemical additive widely used in industrial coating, adhesive, and material applications. Provides excellent performance characteristics and reliability.
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Photoinitiator
CAS: 947-19-3
2-Hydroxy-2-methyl-1-phenylpropan-1-one (HMPP, Darocur 1173) liquid photoinitiator for free-radical UV-curable coatings, inks, and adhesives. It has excellent absorption in the 300–360 nm range, making it highly efficient under mercury and LED UV lamps. Low yellowing, low migration, and high reactivity make it a standard choice for clear and pigmented UV-curable formulations.
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Photoinitiator 369
CAS: 119313-12-1
Photoinitiator 369 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Photoinitiator 907
CAS: 71868-10-5
Photoinitiator 907 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Quinoline Antioxidant
CAS: 26780-96-1
Quinoline Antioxidant providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Solid Photoinitiator
CAS: 7473-98-5
2,4,6-Trimethylbenzoyl-diphenyl-phosphine oxide (TPO) solid photoinitiator with a broad absorption spectrum extending to 420 nm, enabling effective curing under visible light and deep UV LED sources. Its high sensitivity and ability to cure through thick and pigmented layers make it essential for white and colored UV-curable coatings. Available in polymer-bound form to minimize migration in food contact applications.
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Sulfonium Salt Photoinitiator
CAS: 89452-37-9
Sulfonium Salt Photoinitiator providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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TPO Photoinitiator
CAS: 75980-60-8
TPO Photoinitiator providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Thioester Antioxidant DLTDP
CAS: 123-28-4
Thioester Antioxidant DLTDP is a high-performance specialty chemical additive widely used in industrial coating, adhesive, and material applications. Provides excellent performance characteristics and reliability.
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UV Absorber
CAS: 25973-55-1
2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol (UV-234) is a high-performance benzotriazole UV absorber with strong absorption across the 300–400 nm range and outstanding thermal stability for high-bake coating systems and engineering thermoplastics. It delivers long-term protection against UV-induced yellowing, chalking, and loss of mechanical properties. Highly compatible with polycarbonate, polyester, and acrylic resin systems.
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UV Absorber 400
CAS: 23328-53-2
UV Absorber 400 is a high-performance specialty chemical additive widely used in industrial coating, adhesive, and material applications. Provides excellent performance characteristics and reliability.
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UV Absorber 99 (Tinuvin 99)
CAS: 127519-17-9
UV Absorber 99 (Tinuvin 99) providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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UV Absorber Benzophenone-531
CAS: 1843-05-6
UV Absorber Benzophenone-531 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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UV Absorber Benzophenone-9
CAS: 1646-26-0
UV Absorber Benzophenone-9 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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UV Absorber Benzotriazole 328
CAS: 25329-35-5
UV Absorber Benzotriazole 328 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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UV Absorber Benzotriazole 329
CAS: 3147-75-9
UV Absorber Benzotriazole 329 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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UV Absorber Triazine 1577
CAS: 147315-50-2
UV Absorber Triazine 1577 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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UV Absorber Triazine 400
CAS: 153519-44-9
UV Absorber Triazine 400 providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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UV Stabilizer 3808
CAS: 186684-95-7
UV Stabilizer 3808 is a high-performance specialty chemical additive widely used in industrial coating, adhesive, and material applications. Provides excellent performance characteristics and reliability.
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UV-LED Photoinitiator
CAS: 1003567-83-6
UV-LED Photoinitiator providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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Zinc Stearate Stabilizer
CAS: 557-05-1
Zinc Stearate Stabilizer providing protection against UV degradation, thermal oxidation, and weathering for plastics, coatings, and rubber.
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