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Shipro Kasei Kaisha

About Us

Starting operations in October 1966, we were the first company in Japan to develop a UV absorber. Since then, we have consistently pursued the sustainable supply of high-performance and high-quality products as a leading company in the additive field, represented by our success with UV absorbers. Today, the products manufactured with our advanced technological skills based on our ability to meet ever-changing market needs and a spirit of eco-friendly manufacturing are receiving high marks from customers around the world. We will use the technology, know-how, and networks we have developed over the years and focus on training the next generation of human resources as we hand down our past achievement and spirit to future generations, uniting as a company continuing to create a new history for the next 60, 70, and 100 years. We look forward to your continued support in the future.

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Seesorb 703 banner

Chemical Family:Benzotriazoles
Functions:UV Absorber
Compatible Polymers & Resins:Polyesters, Styrene Butadiene Rubber (SBR), High-Density Polyethylene (HDPE), Linear Low Density Polyethylene (LLDPE) , Low-Density Polyethylene (LDPE), Polypropylenes (PP)
End Uses:Lighting Applications, Computer Components, Headlight Cover, Automotive Exterior Parts, Lamp Sockets, Eyeglass Frames, Automotive Interior Parts, Eyeglasses, Cell Phones

Cuts UV rays with a stronger emphasis on functionality. Used in sunscreen lotion, cosmetics, and about 80% of plastic products, UV-protection products are now firmly entrenched in the market, and customers tend to be more conscious of functionality. New possibilities for UV absorbers are being explored to respond to changes in people's needs. We are using our flexible ideas and development capacity to our advantage as we target the development of custom-made UV absorbers that will satisfy and please each and every one of our users.

Seesorb 501 banner

Functions:UV Absorber
Compatible Polymers & Resins:Polyvinyl Chloride (PVC)
Processing Methods:Coating
Features:Alkali Resistant
End Uses:Cosmetic Packaging
Synonyms:2-Cyano-3-phenylcinnamic acid ethyl ester, 2-Cyano-3,3-diphenyl-2-propenoic acid ethyl ester, Ethyl 2-cyano-3,3-diphenyl-2-propenoate, Ethyl 2-cyano-3,3-diphenylacrylate, Ethyl 2-cyano-3,3-diphenylpropenoate, Ethyl α-cyano-β-phenylcinnamate, Ethyl α-cyano-β,β-diphenylacrylate, Etocrilene, Etocrylene, NSC 52678, UV Absorber 2

Cuts UV rays with a stronger emphasis on functionality. Used in sunscreen lotion, cosmetics, and about 80% of plastic products, UV-protection products are now firmly entrenched in the market, and customers tend to be more conscious of functionality. New possibilities for UV absorbers are being explored to respond to changes in people's needs. We are using our flexible ideas and development capacity to our advantage as we target the development of custom-made UV absorbers that will satisfy and please each and every one of our users.

Seesorb 709 banner

Chemical Family:Benzotriazoles
Functions:UV Absorber
Compatible Polymers & Resins:Polyethylene Terephthalate (PET), Polycarbonates (PC)
End Uses:Cell Phones, Lamp Sockets, Lighting Applications, Computer Components, Headlight Cover, Eyeglass Frames, Automotive Interior Parts, Eyeglasses, Automotive Exterior Parts
Synonyms:UV-329

Cuts UV rays with a stronger emphasis on functionality. Used in sunscreen lotion, cosmetics, and about 80% of plastic products, UV-protection products are now firmly entrenched in the market, and customers tend to be more conscious of functionality. New possibilities for UV absorbers are being explored to respond to changes in people's needs. We are using our flexible ideas and development capacity to our advantage as we target the development of custom-made UV absorbers that will satisfy and please each and every one of our users.

Shipron A banner

Chemical Family:Carbonates, Calcium Salts
Functions:Filler
Compatible Polymers & Resins:Poly(Methyl Methacrylate) (PMMA), Polycarbonates (PC), Polystyrenes (PS)
Features:Non Smooth Surface Finish
End Uses:Food Packaging
Synonyms:CaCO3

Newly developed products to meet user demand. We are engaged in the development of unique and specialized products to meet specific needs based on our own original developmental ideas. By taking full advantage of these ideas, we are carrying out the development of new products together with leading companies both in Japan and overseas to create new products.

Seesorb 107 banner

Chemical Family:Benzophenones
Functions:UV Absorber
Compatible Polymers & Resins:Polyethylene Terephthalate (PET), Styrene Butadiene Rubber (SBR)
End Uses:Cable Jacketing, Beverage Containers, Wire Jacketing, Solar Panels, Jacketing, Containers
Synonyms:2-(2-Hydroxy-4-methoxybenzoyl)-5-methoxyphenol, 2,2′-Dihydroxy-4,4′-dimethoxybenzophenone, 4,4′-Dimethoxy-2,2′-dihydroxybenzophenone, NSC 40149

Cuts UV rays with a stronger emphasis on functionality. Used in sunscreen lotion, cosmetics, and about 80% of plastic products, UV-protection products are now firmly entrenched in the market, and customers tend to be more conscious of functionality. New possibilities for UV absorbers are being explored to respond to changes in people's needs. We are using our flexible ideas and development capacity to our advantage as we target the development of custom-made UV absorbers that will satisfy and please each and every one of our users.

Seesorb 101 banner

Chemical Family:Benzophenones
Functions:UV Absorber
Compatible Polymers & Resins:Polyesters, Thermoplastic Elastomers (TPE), Polyvinyl Chloride (PVC), Epoxies (EP), Polystyrenes (PS)
Features:Good Thermal Stability
End Uses:Cable Jacketing, Cosmetic Packaging, Beverage Containers, Solar Panels, Containers, Wire Jacketing, Jacketing
Synonyms:(2-Hydroxy-4-methoxyphenyl)phenylmethanone, 2-Benzoyl-5-methoxyphenol, 2-Hydroxy-4-methoxybenzophenone, 4-Methoxy-2-hydroxybenzophenone, 4-Methoxy-2-hydroxybenzophenone butyric acid, Benzophenone-3

Cuts UV rays with a stronger emphasis on functionality. Used in sunscreen lotion, cosmetics, and about 80% of plastic products, UV-protection products are now firmly entrenched in the market, and customers tend to be more conscious of functionality. New possibilities for UV absorbers are being explored to respond to changes in people's needs. We are using our flexible ideas and development capacity to our advantage as we target the development of custom-made UV absorbers that will satisfy and please each and every one of our users.

Seenox 224M banner

Chemical Family:Phenols & Phenolics
Functions:Primary Antioxidant, Antioxidant
Compatible Polymers & Resins:Polybutadienes, Styrene Butadiene Rubber (SBR), Polystyrenes (PS)
End Uses:Communication Wire Jacketing, Cables, Wire Jacketing
Synonyms:2-tert-Butyl-6-[(3-tert-butyl-2-hydroxy-5-methylphenyl)methyl]-4-methylphenol, 2,2-Methylene bis(4-methyl-6-tert-butyl-phenol), 2,2′-Bis(4-methyl-6-tert-butylphenol)methane, 2,2′-Methylenebis(4-methyl-6-tert-butylphenol), 2,2′-Methylenebis(6-tert-butyl-4-methylphenol), 2,2′-Methylenebis(6-tert-butyl-p-cresol), 2,2′-Methylenebis[4-methyl-6-t-butylphenol], 2,2′-Methylenebis[4-methyl-6-tert-butylphenol], 2,2′-Methylenebis[6-(1,1-dimethylethyl)-4-methylphenol], 2,2′-Methylenebis[6-tert-butyl-p-cresol], 2,2′-Methylidenebis(6-tert-butyl-4-methylphenol), 3,3′-Di-tert-butyl-2,2′-dihydroxy-5,5′-dimethyldiphenylmethane, 6,6-Methylenebis(2-tert-butyl-4-methylphenol), 6,6′-Di-tert-butyl-4,4′-dimethyl-2,2′-methylenediphenol, 6,6′-Methylenebis(2-tert-butyl-4-methylphenol), Bis(2-hydroxy-3-tert-butyl-5-methylphenyl)methane, Bis(2-hydroxy-5-methyl-3-tert-butylphenyl)methane, Bis(3-tert-butyl-2-hydroxy-5-methylphenyl)methane, Bis(5-methyl-3-tert-butyl-2-hydroxyphenyl)methane, Bis(6-hydroxy-3-methyl-5-tert-butylphenyl)methane

Key to responding to accommodating high value-added plastics. Our antioxidants are used for various applications such as electric wires, high-voltage cables and resins that protect distribution cables. As the diversification of plastic picks up speed, better quality will be sought, including for components used to establish information networks. With our accumulated know-how and technology, we are actively engaged in research and development to meet these needs

Seesorb 701 banner

Chemical Family:Benzotriazoles
Functions:UV Absorber
Compatible Polymers & Resins:Styrene Butadiene Rubber (SBR), Acrylonitrile Butadiene Styrene (ABS), Polyvinyl Chloride (PVC), Polystyrenes (PS)
End Uses:Lighting Applications, Computer Components, Headlight Cover, Automotive Exterior Parts, Lamp Sockets, Eyeglass Frames, Automotive Interior Parts, Eyeglasses, Cell Phones
Synonyms:2-(2-Hydroxy-5-methyl)benzotriazole, 2-(2-Hydroxy-5-methylphenyl)-2H-benzotriazole, 2-(2-Hydroxy-5-methylphenyl)benzotriazole, 2-(2′-Hydroxy-5′-methylphenyl)benzotriazole, 2-(2H-Benzo[d][1,2,3]triazol-2-yl)-4-methylphenol, 2-(2H-Benzotriazol-2-yl)-4-methylphenol, 2-(5-Methyl-2-hydroxyphenyl)benzotriazole, 2-(5′-Methyl-2′-hydroxyphenyl)benzotriazole, 2-Benzotriazol-2-yl-4-methylphenol, 4-Methyl-2-(2H-benzotriazol-2-yl)phenol, UV Absorber 1

Cuts UV rays with a stronger emphasis on functionality. Used in sunscreen lotion, cosmetics, and about 80% of plastic products, UV-protection products are now firmly entrenched in the market, and customers tend to be more conscious of functionality. New possibilities for UV absorbers are being explored to respond to changes in people's needs. We are using our flexible ideas and development capacity to our advantage as we target the development of custom-made UV absorbers that will satisfy and please each and every one of our users.

Seenox 1479S banner

Functions:Antioxidant
Compatible Polymers & Resins:High-Density Polyethylene (HDPE), Linear Low Density Polyethylene (LLDPE) , Low-Density Polyethylene (LDPE), Polypropylenes (PP)
Features:Thermal Shock Resistant
End Uses:Communication Wire Jacketing, Cables, Wire Jacketing
Synonyms:Pentaerythrithol tetrakis(3-dodecylthiopropionate), Pentaerythritol tetra(3-laurylthiopropionate), Pentaerythritol tetrakis(3-n-dodecylthiopropionate), Pentaerythritol tetrakis(dodecylthiopropionate), Pentaerythritol tetrakis(β-dodecylthiopropionate), Pentaerythritol tetrakis(β-laurylthiopropionate), Pentaerythritol tetrakis[3-(dodecylthio)propionate], Pentaerythritol tetrakis[3-laurylthiopropionate], Pentaerythrityl tetrakis(3-laurylthiopropionate), Tetrakis[methylene-3-(dodecylthio)propionate]methane

Key to responding to accommodating high value-added plastics. Our antioxidants are used for various applications such as electric wires, high-voltage cables and resins that protect distribution cables. As the diversification of plastic picks up speed, better quality will be sought, including for components used to establish information networks. With our accumulated know-how and technology, we are actively engaged in research and development to meet these needs

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