Global P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent Production, key Producers and Capacity Analysis, (2024 – 2030)

Renu GiriRenu Giri
8 min read

Who are the top ten producers of P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent globally

1. GO YEN CHEMICAL INDUSTRIAL CO., LTD. (Taiwan)

GO YEN Chemical is one of the top OBSH blowing agent producers in Asia, known for its strong innovation capabilities and global outreach. The company specializes in high-purity P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent production with consistent thermal decomposition profiles and low moisture content. Their products are widely adopted in high-end applications due to their superior performance characteristics, such as controlled gas evolution and non-yellowing behavior.

Production Capacity: Estimated to exceed several hundred tons annually, with scalable manufacturing in Taiwan.

Target Markets: Global rubber, plastic, and elastomer industries.

Target Segments: Footwear soles, wire and cable insulation, TPEs, EPDM foaming, synthetic leather, automotive seals.

2. Western Reserve Chemical (United States)

As one of the most recognized OBSH blowing agent producers in North America, Western Reserve Chemical supplies a wide range of chemical additives to the rubber and plastic industries. Their P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent is known for its consistent particle size, decomposition temperature, and high gas output.

Production Capacity: Strong regional supply chain capacity across the U.S., with warehousing and blending facilities.

Target Markets: North America and select international customers.

Target Segments: Technical rubber compounds, wire insulation foams, automotive underbody parts, sports footwear, non-discoloring polymer products.

3. Kum Yang Co., Ltd. (South Korea)

Kum Yang is a pioneer in chemical foaming agents and one of the few fully integrated OBSH blowing agent producers in South Korea. The company offers OBSH under its CELLCOM brand, ensuring tight control over quality and performance. They serve a broad range of industries and are known for their ISO-certified production processes.

Production Capacity: Estimated mid-to-large scale, with exports across Asia and Europe.

Target Markets: East Asia, Southeast Asia, and select European customers.

Target Segments: Cable insulation, vibration damping sheets, injection-molded rubber components, synthetic sponges.

4. Shouguang Nuomeng Chemical Co., Ltd. (China)

This Chinese manufacturer has built a strong reputation for high-volume P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent production. Their product line includes OBSH grades with high purity and consistent cell structure characteristics, making them popular in domestic and export markets.

Production Capacity: Approximately 200 tons per month, depending on demand.

Target Markets: Asia, Eastern Europe, Middle East, and South America.

Target Segments: General rubber foaming, insulation pipes, shock-absorbing foam, foam gaskets.

5. Heze Kingvolt Chemical Co., Ltd. (China)

Heze Kingvolt is one of the emerging OBSH blowing agent producers focusing on competitive pricing and reliable production capacity. Their product specifications include a high gas yield and thermal stability, making them suitable for various thermoplastics and elastomers.

Production Capacity: Estimated between 100 to 150 tons per month.

Target Markets: China, Southeast Asia, Africa.

Target Segments: TPE foam, EVA sheets, PP/PE foam layers, automotive NVH applications.

6. Dongjin Semichem Co., Ltd. (South Korea)

Dongjin Semichem is a diversified chemical producer that includes OBSH blowing agents as part of its specialty chemicals division. They are known for high-quality P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent production with a focus on clean decomposition and low emissions.

Production Capacity: Mid-range, catering to specialty applications and high-spec customers.

Target Markets: South Korea, Japan, China, and European specialty manufacturers.

Target Segments: Electronics packaging foams, industrial gaskets, automotive interior foams, flame-retardant foamed materials.

7. Hangzhou DayangChem Co., Ltd. (China)

DayangChem is a major player in China’s specialty chemical space, offering OBSH as part of its expansive portfolio. Their P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent production facilities provide custom specifications tailored to client needs.

Production Capacity: Several hundred tons annually across multiple production sites.

Target Markets: Global exports to North America, Europe, South Asia.

Target Segments: Flexible foam for shoes and furniture, molded rubber products, lightweight automotive components.

8. Suzhou Xiangyuan Special Fine Chemical Co., Ltd. (China)

Suzhou Xiangyuan is a specialized producer of foaming agents with OBSH as one of their premium offerings. They focus on high-performance P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent production that emphasizes odor-free decomposition and uniform cell size.

Production Capacity: Estimated at 100–200 tons per month with scalable infrastructure.

Target Markets: OEMs and compounders in East Asia, Europe, and the U.S.

Target Segments: Sports equipment, sealing foam, wire & cable jacketing, medical-grade rubber foams.

9. Saipeng Chemical (China)

Saipeng Chemical offers multiple grades of OBSH foaming agents tailored for various processing requirements. Their commitment to quality control and cost-effectiveness has made them a sought-after supplier among mid-size compounders.

Production Capacity: Flexible batch production lines offering customized grades; monthly capacity approx. 80–120 tons.

Target Markets: Southeast Asia, India, Africa, and Eastern Europe.

Target Segments: Slipper soles, yoga mats, pipe insulation, plastic-wood composites.

10. Otto Chemie Pvt. Ltd. (India)

Otto Chemie is one of the few Indian producers of OBSH, catering primarily to domestic and regional markets. The company focuses on supplying P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent for price-sensitive applications with basic performance requirements.

Production Capacity: Modest compared to East Asian competitors, estimated at 30–50 tons/month.

Target Markets: India, Bangladesh, Sri Lanka, Middle East.

Target Segments: Footwear, basic insulation foam, general rubber and plastic foaming applications.

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Top five largest P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent producing countries globally

1. China

China stands as the largest producer of P,P'-oxybis(benzenesulfonyl hydrazide) blowing agents globally. With an expansive chemical manufacturing base and a focus on high-volume, cost-effective production, the country dominates both domestic and international markets. Numerous OBSH blowing agent producers operate across provinces such as Shandong, Jiangsu, and Zhejiang, contributing to the nation's strong output capacity.

In terms of capacity, China’s monthly OBSH production easily surpasses several thousand tons, owing to a large number of mid-sized and large-scale chemical companies. These manufacturers cater not only to domestic industries but also to global clients in Asia, Europe, Africa, and the Americas. China's leadership in OBSH production is driven by its robust supply chain of raw materials, low production costs, and extensive industrial infrastructure.

2. South Korea

South Korea ranks second in global OBSH blowing agent production. The country’s chemical manufacturers are known for their high-quality, consistent formulations, and superior environmental and safety standards. South Korean OBSH producers typically serve more specialized markets that require tight control over foaming properties and thermal stability.

Although not as large in overall volume as China, South Korea’s OBSH production is notable for its focus on advanced materials, innovation, and stringent quality control. The country exports a significant share of its output to high-end markets in Japan, Europe, and North America.

3. Taiwan

Taiwan is one of the key OBSH producing countries, with a strong reputation for specialized chemical manufacturing. Taiwanese companies often focus on high-purity grades of P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent designed for premium applications, including automotive, electronic insulation, and precision-molded rubber parts.

Taiwan’s OBSH production capacity, while not the largest globally, is significant in terms of quality and application diversity. Its manufacturers serve both regional markets in Asia and global customers seeking consistent product performance.

4. India

India has emerged as a growing center for OBSH blowing agent production in recent years. As the country expands its chemical industry footprint, several local producers have invested in OBSH manufacturing to meet increasing domestic demand and tap into export opportunities.

India's OBSH production capacity is moderate but expanding, supported by cost-effective labor, government incentives for chemical exports, and increasing demand in the footwear, automotive, and cable industries. Indian producers primarily serve the domestic market and nearby countries in South Asia and the Middle East.

5. United States

The United States is among the leading OBSH producers, focusing on specialty-grade foaming agents with strict quality and regulatory compliance. OBSH blowing agent production in the U.S. is aimed at technical markets requiring odorless, non-staining foams with precise thermal decomposition profiles.

While overall capacity is smaller compared to Asian producers, U.S. manufacturers emphasize R&D, custom blends, and value-added services. Their production mainly caters to high-performance applications in sectors such as aerospace, defense, electronics, and medical device manufacturing.

P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent production trends

The production of P,P'-oxybis(benzenesulfonyl hydrazide) blowing agents has witnessed notable changes over the past decade, driven by growing environmental awareness, industry demand for cleaner alternatives, and regulatory shifts. As industries worldwide move away from traditional foaming agents like azodicarbonamide (ADC), which can release harmful by-products, the use of OBSH has grown due to its non-toxic, odorless, and non-discoloring decomposition properties. These factors have directly influenced global P,P'-oxybis(benzenesulfonyl hydrazide) blowing agent production trends.

One of the most significant trends is the geographic concentration of OBSH production in Asia. Countries like China, South Korea, and Taiwan have become dominant producers due to their established chemical manufacturing sectors, availability of raw materials, and scalable production infrastructure. China, in particular, leads the world in terms of production capacity, offering both standard and custom OBSH grades in high volumes to meet global demand. These Asian producers have also benefited from lower manufacturing costs and the ability to supply large-scale orders quickly.

At the same time, there's a visible trend toward quality differentiation. While some regions focus on mass production, others prioritize purity, particle size control, and specific gas evolution characteristics. South Korea and Taiwan, for example, are known for manufacturing high-purity OBSH suited for technical applications in automotive, aerospace, and electronics. This trend reflects a growing demand for specialized OBSH grades that offer uniform cell structure, low decomposition temperature variance, and stability in complex formulations.

Another major shift in OBSH blowing agent production is the increasing use of automation and process control in manufacturing plants. Modern production facilities now employ real-time monitoring systems, advanced filtration, and precision blending technologies. This ensures consistency in OBSH quality across batches, a critical requirement for industries such as footwear, wire insulation, and medical-grade rubber foams.

Sustainability has also become a key driver in OBSH production trends. Companies are now developing eco-friendly OBSH grades with improved decomposition profiles, lower residue, and reduced environmental impact. There is a growing preference for OBSH blowing agents that are REACH-compliant, free of heavy metals, and suitable for recycling applications. As a result, producers are investing in cleaner synthesis methods and energy-efficient production systems.

In addition to environmental trends, market expansion plays a critical role. The growing demand from regions such as Southeast Asia, the Middle East, and Africa has pushed producers to establish localized distribution networks and increase output. As infrastructure development and industrialization continue in emerging economies, the demand for foam-based products—insulation, footwear, automotive parts—is rising, thereby boosting OBSH consumption.

Finally, there is a trend toward collaborative development. OBSH producers increasingly work with compounders, formulators, and end-users to develop customized foaming solutions. Tailored OBSH grades are being designed for applications ranging from microcellular foams in EV battery insulation to lightweight construction materials and sports equipment.

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Renu Giri
Renu Giri