Blowing agents are substances used in the production of foams, which create gas and expand plastic materials to form a lightweight, cellular structure. These agents are crucial in the plastics, rubber, and packaging industries. By releasing gas during heating, they create bubbles or cells within the material, resulting in foams used in a wide range of applications, from insulation to automotive parts.

Azodicarbonamide (AC) (偶氮二甲酰胺): A widely used chemical blowing agent, especially in the production of flexible foams. It decomposes under heat to release nitrogen gas, creating a fine cell structure in rubber, plastic, and EVA foams.
OBSH (p-Toluenesulfonyl hydrazide) (对苯磺酰肼): A blowing agent that releases gas when decomposed, used in the production of foams in footwear and rubber industries, providing controlled foam expansion and fine cell structures.
Sodium Bicarbonate + Citric Acid (复配碳酸氢钠+柠檬酸): An eco-friendly blowing agent that generates CO₂ gas when mixed with citric acid, making it suitable for food-grade and biodegradable applications. It is commonly used in packaging and other environmentally sensitive products.
Hydrocerol Series (化学发泡母粒): A family of chemical blowing agents used to produce low-density, fine cell-structure foams. These agents are widely used in automotive, construction, and packaging industries for producing high-performance foams.

Blowing Agent	Key Properties	Applications
Azodicarbonamide (AC)	Releases nitrogen gas; used for flexible foams	Footwear, rubber, EVA foams
OBSH (p-Toluenesulfonyl hydrazide)	Controlled gas release; fine foam structure	Footwear, EVA foams, flexible rubber foams
Sodium Bicarbonate + Citric Acid	Eco-friendly, generates CO₂ gas	Food packaging, biodegradable foams
Hydrocerol Series	Low-density, fine cell structure, high mechanical properties	Automotive, construction, rigid packaging foams

Azodicarbonamide (AC)

OBSH (p-Toluenesulfonyl hydrazide)

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Typical Applications

Blowing agents are used in various industries to create lightweight and durable foams with specific properties. Their applications include:

Plastic Foam Production: Used in manufacturing foams like expanded polystyrene (EPS) and expanded polyethylene (EPE) for packaging materials, insulation, and construction.
Automotive: Used in the production of lightweight automotive parts with energy absorption properties.
Packaging: Foam materials in packaging reduce weight, cost, and improve product safety during transport.
Footwear and Rubber: Flexible foams created with blowing agents provide cushioning, comfort, and shock absorption in shoes and rubber products.

Blowing Agents

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Typical Applications

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Blowing Agents

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Typical Applications

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