PVC air-blowing compounds are specialized powder-based formulations available in seasonal grades—Spring, Summer, Autumn, and Winter—to match different processing and climate conditions. These compounds are widely used across various industries, particularly in the manufacturing of boots, casual shoe soles, and slippers.
Polysun offers air-blowing compounds in three formats: raw, semi-finished, and fully finished. The raw air-blowing compound serves as the base material. When blended with specific additives, it becomes a semi-finished compound. The fully finished version combines the raw compound with both additives and pigment, ready for direct application in production lines.
Each compound formulation includes a precise balance of additives that enhance processing performance, thermal stability, mechanical strength, and molding behavior. At Polysun, we not only use high-quality additives for our own production but also supply them to our industry partners. Our air-blowing additives are engineered to improve foam structure, reduce weight, stabilize heat performance, and ensure consistent color dispersion—especially in applications such as slipper soles and lightweight footwear.
Looking for a specific product? Our comprehensive catalog is a complete guide with accurate, technical, and up-to-date information that highlights the applications of each product, allowing you to make informed decisions.
Grades | Spring | Summer | Autumn | Winter |
135 | 4/5 | 5/5 | - | - |
145 | 5/5 | 5/5 | - | - |
155 | 5/5 | 5/5 | 4/5 | - |
165 | 4/5 | 5/5 | 5/5 | 4/5 |
175 | - | - | 5/5 | 5/5 |
185 | - | - | - | 5/5 |
195 | - | - | - | 5/5 |
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