永和化成工業 List of Products and Services

"Selbon" is an odorless, white heat-decomposing foaming agent developed for extrusion foaming of PS, ABS, PE, and PP, among others. It is effective as a nucleating agent for gas foaming of PS, ABS, PE, and PP, resulting in fine cells and allowing for a reduction in aging time. Additionally, since the main component is baking soda, it is safe to handle, and its high storage stability and wide processing range are also notable features. [Main Component] ■ Chemical Name: Sodium hydrogen carbonate ■ Abbreviation: Baking soda ■ Chemical Formula: NaHCO3 ■ CAS RN: 144-55-8 *For more details, please refer to the PDF document or feel free to contact us.

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"SpanCell" is a composite foaming agent of the ADCA/OBSH system that decomposes quickly and produces a white foamed product. We offer a variety of options, including "SpanCell DS#25," which is a type that adjusts the decomposition temperature for extrusion conditions of PE, PS, PVC, etc., and "SpanCell SZ#44" and "SpanCell ST#44," which are particularly excellent in whiteness for olefin calendars. You can choose according to your needs. 【Main Components (Excerpt)】 ■ Chemical Name: Azodicarbonamide / 4,4'-Oxydibenzene ■ Abbreviation: ADCA/OBSH ■ CAS RN: 123-77-3, 80-51-3, etc. *For more details, please refer to the PDF materials or feel free to contact us.

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"Exceller" is a DPT/ADCA-based composite foaming agent developed based on our accumulated technology and rich experience in foaming agents. We offer a lineup including "S-537," a type that improves the characteristic odor and contamination of foaming agents, as well as "Exceller Q#25" and "Exceller AK#2," which are suitable for various pressurized foaming applications. You can choose according to your needs. [Main Components (Partial Excerpt)] ■ Chemical Name: Azodicarbonamide / N,N'-Dinitrosopentamethylenetetramine ■ Abbreviation: ADCA/DPT ■ CAS RN: 123-77-3, 101-25-7, etc. *For more details, please refer to the PDF document or feel free to contact us.

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"Neocelbon" is a distinctive OBSH-based foaming agent / composite foaming agent developed for the foaming of synthetic rubber and various plastics. It does not cause discoloration and is odorless. We offer a variety of products, including "Neocelbon N#5000," which can be effectively used with PE, CR, EPDM, etc., as well as "Neocelbon N#1000M," which is a fine powder type that can achieve fine cells, and "Neocelbon N#1000SW." 【Main Components (Partial Excerpt)】 ■ Chemical Name: 4,4'-Oxydibenzene sulfonyl hydrazide ■ Abbreviation: OBSH ■ CAS RN: 80-51-3, etc. *For more details, please refer to the PDF materials or feel free to contact us.

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"Cellular" is a distinctive DPT-based foaming agent / composite foaming agent developed for the foaming of natural and synthetic rubber. With a high gas generation rate and significant heat generation during decomposition, it is suitable for the vulcanization foaming of natural and synthetic rubber, including "Cellular D," as well as "Cellular L-85" and "Cellular CK#54," which are suitable for pressurized foaming of CR, among various lineups. You can choose according to your needs. [Main Components (excerpt)] ■ Chemical Name: N,N'-dinitrosopentamethylenetetramine ■ Abbreviation: DPT ■ Chemical Formula: C5H10N6O2 ■ CAS RN: 101-25-7, etc. *For more details, please refer to the PDF materials or feel free to contact us.

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"Vinyl Hall" is a useful general-purpose chemical foaming agent with low heat generation during decomposition. It does not cause burning of the resin and is suitable for thick molding. We offer a variety of products, including the fine powder types "Vinyl Hall AC#93" and "Vinyl Hall AC#3C-K2," as well as "Vinyl Hall AC#6-K6," which provides high-density foams with high whiteness, and "Vinyl Hall AC#3SW." [Main Components] ■ Chemical Name: Azodicarbonamide ■ Abbreviation: ADCA ■ Chemical Formula: C2H4N4O2 H2NOCN=NCONH2 ■ CAS RN: 123-77-3 *For more details, please refer to the PDF materials or feel free to contact us.

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This catalog features a variety of composite foaming agents from Eiwa Chemical Industry Co., Ltd. We introduce products such as "Vinihole," which has low heat generation during decomposition and is suitable for thick molding, as well as "Cellular" and "Neocellbon." Please use this for selecting products. 【Featured Products】 ■ Vinihole ■ Cellular ■ Neocellbon ■ Exceller ■ Span Cell ■ Cellbon *For more details, please refer to the PDF document or feel free to contact us.

• Piping materials (plastic pipes)
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"Polislen" is a foaming agent masterbatch developed for plastics. It does not dirty the work environment, is suitable for automatic weighing, and is ideal for continuous molding. In addition, we also handle "Neoslen" and "Panslen," which were developed for rubber. 【Features】 〈Injection Molding Field〉 ■ Weight reduction (measurability) ■ Improved rigidity ■ Enhanced dimensional accuracy ■ Improved surface smoothness ■ Soundproofing and noise reduction effects *For more details, please refer to the PDF materials or feel free to contact us.

• Piping materials (plastic pipes)
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"Serpaste" is a foaming agent handled by Eiwa Kasei. By using a foaming agent, it is possible to bring the decomposition behavior of the foaming agent into the appropriate foaming zone, allowing you to obtain the desired foam. This product was initially developed by our company as a decomposition accelerator for the foaming agent Cellar, but it is now also used as an additive for other foaming agents such as Vinihole and Neocelbon. [Features] - Can be used as an additive for foaming agents - Produced with a system that completely eliminates defects and lumps - Excellent dispersibility - Can bring the decomposition behavior of the foaming agent into the appropriate foaming zone - Can obtain the desired foam *For more details, please refer to the PDF document or feel free to contact us.

• Piping materials (plastic pipes)
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Yonghe Chemical manufactures and sells basic blowing agents such as ADCA, DPT, and OBSH. We also develop blowing auxiliaries and sell composite blowing agents that are easier to use. Additionally, we offer convenient wet-type blowing agents and blowing agent concentrates. Please feel free to contact us if you have any requests. 【Examples of Products Handled】 ■ Vinyfor ■ Cellular ■ Neocellborn ■ Excellar ■ Spangcell ■ Cellborn *For more details, please download the PDF or feel free to contact us.

• Piping materials (plastic pipes)
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