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Organic Bismuth Catalysts

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GradesBi-16, Bi-20, Bi-28
Functionselective polyurethane gel catalysts
Selectivityhigher to NCO vs tin catalysts
Induction Timeshort

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Supplier based in ChinaOn Global Trade Plaza since Oct 2026Similar products from other sellers

Products Description

Organic bismuth catalysts Product Bi-16 Bi-20 Bi-28 Performance 1. Selective polyurethane gel catalysts; 2. Compared with tin catalysts, it has better selectivity to nco, and end productsmechanical performance is better; 3. Induction time is short, viscosity increases gradually. Advantages of organic bismuth polyurethane catalysts 1. Safe & environmentally-friendly catalysts, can replace plumbum(pb) & mercury(hg) catalysts and tin catalysts which are being abolished by legislation; 2. Bi catalysts have a better stability to hydrolysis resistance than tin catalysts, reduce reaction selectivity with water, reduce sidereactions of nco group and water reaction in water-borne pu dispersing agent; 3. Promote the reaction of nco/oh , avoid sidereactions of nco and reduce co2 form; 4. In one-component system, emancipate the amine shielded by water, rather than promote the reaction of water and nco; 5. Combination of bismuth & zinc has synergy effect, making formulation and production more flexible, reducing energy consumption and increasing profits; 6. Can be used alone, or used together with amine or other organic metal compounds as auxiliary catalyst.

Product Categories

Chemicals & Allied Products

Products Specification

GradesBi-16, Bi-20, Bi-28
Functionselective polyurethane gel catalysts
Selectivityhigher to NCO vs tin catalysts
Induction Timeshort
Viscosity Behaviorincreases gradually
Environmental Profilesafe & environmentally-friendly; replaces Pb, Hg and tin catalysts
Hydrolysis Resistancebetter than tin catalysts
SynergyBi-Zn combination has synergistic effect
Usagealone or with amine/other organometallic compounds

Supplier information

Basic member

NanTong HaoTai Products & Chemicals Co., Ltd.

China

Business type - Contact Seller

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Organic bismuth catalysts are offered in three grades: Bi-16, Bi-20 and Bi-28. They function as selective polyurethane gel catalysts with higher selectivity toward NCO groups compared with tin catalysts, giving better mechanical performance in the end product. Induction time is short and viscosity increases gradually. The catalysts are described as safe and environmentally friendly, able to replace lead, mercury and tin catalysts that are being phased out by legislation. They show better hydrolysis resistance than tin catalysts, reduce side reactions between NCO and water in water-borne PU dispersions, promote NCO/OH reaction, and in one-component systems liberate amine shielded by water rather than promoting water-NCO reaction. A bismuth-zinc combination provides a synergistic effect for formulation flexibility, lower energy consumption and higher profit. The catalysts can be used alone or with amines or other organometallic compounds as auxiliary catalysts.

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About Supplier

NanTong HaoTai Products & Chemicals Co., Ltd. is a B2B supplier based in China, listed on Global Trade Plaza since October 2026. Use Inquire now or Chat with supplier to ask NanTong HaoTai Products & Chemicals Co., Ltd. for prices, specifications and documents for Organic Bismuth Catalysts.

Supplier Details for Organic Bismuth Catalysts

Member since - Oct 2026
Business Type - Contact Seller
Deals in Product Type - Chemicals & Allied Products
Country - China

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