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Explore Wellt’s extensive range of expertly crafted products, including Plastic Antioxidants, Light Stabilizers, Rubber Accelerators, and more, designed for optimal performance.

Plastic Antioxidants
Plastic antioxidants are additives that prevent polymer degradation.
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Light Stabilizers
Light stabilizers are compounds used to protect polymers from UV degradation.
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Rubber Accelerators
Rubber accelerators are chemicals used to hasten the vulcanization process of rubber.
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Cross-linking Agent
Cross-linking agents are chemicals used to create bonds between polymer chains.
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Rubber Processing Agent
Rubber processing agents are substances used to enhance rubber manufacturing.
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Rubber Antioxidants
Rubber antioxidants are compounds used to slow down rubber's aging process.
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Phenolic Resin
Phenolic resin is a heat-cured plastic formed from phenol and formaldehyde.
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Optical Brightener
Optical brighteners are chemicals that absorb UV light and re-emit visible light.
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China Plastic Additives, Rubber Additives, Resins Manufacturer and Supplier

A wide selection of high quality products for you

Antioxidant 168 Structure

Antioxidant 168

* CAS Number: 31570-04-4
* Chemical Name: Tris-(2,4-di-tert-butyl-phenyl)-phosphite
* Equivalent: Irganox 168 (BASF) / Alkanox 240 (Chemtura)

Ultranox 626 Structure

Ultranox 626 Structure

* CAS No.: 26741-53-7
* Chemical Name: Bis(2,4-di-t-butylphenyl) Pentaerythritol Diphosphite

Irganox 1010 Structure

Irganox 1010

* CAS Number: 6683-19-8
* CHEMICAL NAME: Tetrakis[methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl-propionate )]methane
* Equivalent: Irganox 1010(BASF)

Irganox 1024 Structure


* CAS NO.: 32687-78-8
* CHEMICAL NAME: N,N-Bis[3-(3.5-di-tert-butyl-4-nydroxyphenol)propionyl]Hydrazid
* Appearance: White powder

Irganox B215 Structure

Antioxidant B215

* CAS Number:
Wellnox 1010: 6683-19-8
Wellnox 168: 31570-04-4
* Chemical Name: Mixture of Wellnox 1010 and Wellnox 168 (1:2)
* Equivalent: Irganox B215

Antioxidant DLTDP structure

Antioxidant DLTDP

* CAS No.: 123-28-4
* Chemical Name: Dilauryl thiodipropionate
* Equivalent: Irganox PS800 / Lowinox DLTDP

Antioxidant DSTDP Technical Data

Antioxidant DSTDP

* CAS NO.: 693-36-7
* CHEMICAL NAME: Distearyl thiodipropionate

HALS 292 Structure

HALS 292

* CAS Number: 41556-26-7 & 82919-37-7
* Chemical Name: Bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate & Methyl 1,2,2,6,6-pentamethyl-4-piperidyl sebacate

UV P Structure

Tinuvin P,UV P Structure

* CAS NO.: 2440-22-4
* CHEMICAL NAME: 2-(2’-hydroxy-5’-methyl phenyl) benzotriazole

Wellsorb UV 328 Structure

Tinuvin 328, UV 328

* CAS NO.: 25973-55-1
* CHEMICAL NAME: 2-(2’-Hydroxy-3’,5’-Di-tert-Amylphenyl) Benzotriazole

Accelerator Mbt Technical Data

Accelerator Mbt

* CAS NO.: 149-30-4
* CHEMICAL NAME: 2-Mercaptobenzothiazole

Zmbt Technical Data

Zmbt, Accelerator Zmbt

* CAS No.: 155-04-4
* Chemical Name: Zinc 2-Mercaptobenzothiazole

Ultranox 626 Structure

Antioxidant SP

* CAS No.:61788-44-1
* CHEMICAL NAME: Styrenated Phenol

Lowinox CPL Structure

Lowinox CPL

* CAS NO.: 68610-51-5
* CHEMICAL NAME: Butylated reaction product of p-Cresol and dicyclopantadiene

Tinopal OB Structure

Tinopal OB,Uvitex OB

* CAS NO.: 7128-64-5
* CHEMICAL NAME: 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene

Optical Brightener OB-1 Structure

Optical Brightener OB-1

* CAS NO.: 1533-45-5


Nanjing Wellt Chemicals Co., Ltd is a leading chemical supplier in China, specializing in various additives for plastics, rubber, food, and pharmaceuticals, as well as resins and cosmetics materials.



"Nanjing Wellt Chemicals Co.,Ltd is lauded for their exceptional customer service in the chemical industry."

Manuel-From Germany In 2022

"The Plastic Antioxidants supplied by Nanjing Wellt is top-tier, making them a trusted provider in China."

Devin-From Korea In 2021

"Their food additives are of high quality and have become an integral part of our manufacturing process."

Max - From USA in 2021

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