Air Blowing PVC Compound
Application: Sandals, soles, casual shoes
Specification:
Density: 0.4-0.6
Hardness: Shore A45-65
Features: foaming even, easy operate, light weight.
The footwear industry is undergoing a transformation where comfort, weight reduction, and manufacturing efficiency are no longer luxuries—they are essential market demands. Traditional solid materials often force manufacturers to choose between durability and comfort. Air Blowing PVC Compound (also known as chemical foaming PVC or expanded PVC) represents the next evolution in sole manufacturing, enabling the production of lightweight, cushioning, and cost-effective soles through controlled expansion during injection molding.
Our premium Air Blowing PVC Compound is scientifically engineered to deliver consistent, closed-cell foam structures that revolutionize shoe design and performance. By integrating a blowing agent directly into our PVC formulation, we provide manufacturers with a reliable, single-component system that activates during the molding process, creating a microcellular structure that reduces density while enhancing key physical properties.
This comprehensive guide details why our specialized compound is the optimal choice for brands seeking to leverage blown sole technology without compromising on quality or production throughput.
Single sole weight reduce 5%-20%
Even foaming, low defect rate
Sole product has long service life
Excellent softness, very confortable for wearing
Ultra-Light, High-Elasticity Solution for Footwear Soles
The Technology: Unlike standard PVC, our compound contains a precisely calibrated blowing agent that decomposes at specific temperatures during injection, releasing gas and creating millions of uniform microcells within the sole.
The Result: Density reductions of 15-35% compared to solid PVC, depending on processing parameters and desired firmness. This translates directly to exceptionally light shoes that significantly enhance wearer comfort and reduce material consumption per pair.
Your Benefit: Market your products with “cloud-like comfort” and “featherlight” appeal. Reduce shipping costs due to lower product weight and achieve material savings that improve your bottom line.
Optimized Rheology: The compound is formulated for excellent melt strength and viscosity control, which is critical for blown applications. This prevents cell collapse, ensures smooth filling of intricate tread patterns, and maintains uniform cell structure from the gate to the end of flow.
Wide Processing Window: We provide compounds that are forgiving within a range of temperatures and pressures, reducing sensitivity to minor machine fluctuations and making it easier for operators to achieve consistent results shift after shift.
Your Benefit: Achieve high production yields with minimal rejects (such as rough surfaces, uneven swelling, or sink marks). Shorten learning curves for your production team and maximize the output of your injection molding equipment.
Provide an exceptional wearing experience straight out of the box. The foamed PVC sole offers a soft, cushioning feel that molds gently to the foot, ensuring all-day comfort. It combines the plush feel of more expensive materials with the resilience and cost-effectiveness of PVC.
Enhanced Formulation: The challenges of blown molding—where internal gas pressure and heat history are intense—require superior stabilizers. Our compound incorporates advanced heat stabilizers that control the decomposition kinetics of the blowing agent and protect the PVC polymer during processing.
Stable End Product: The resulting soles exhibit excellent dimensional stability, resisting deformation under summer heat or during storage. They maintain their shape, compression set, and mechanical properties across a wide temperature range.
Your Benefit: Produce footwear suitable for global markets and various climates. Ensure customer satisfaction with products that do not soften, warp, or lose their supportive properties over time and use.
Our Air Blowing PVC Compound is characterized by:
Density Range (Expanded): 0.6 – 0.9 g/cm³ (adjustable based on shot weight and mold design)
Uniform Cell Structure: Fine, closed-cell foam for consistent cushioning and a smooth surface finish.
Excellent Compression Set: Good recovery after prolonged pressure, ensuring long-lasting comfort.
Low Temperature Flexibility: Maintains flexibility in cooler environments.
Good Abrasion Resistance: Provides durable outsoles suitable for everyday wear.
Color & Finish: Can be produced in a wide spectrum of colors with consistent matte or semi-gloss finishes.
| Air Blowing PVC Compound | Processing | Density | Hardness/Softness | Color | |
|---|---|---|---|---|---|
| Data | Air Blowing Injection | 0.40-0.60g/cm3 | Shore A 50-80 | Different color can be matched according samples. |
Specialized Expertise in Blown Technology: We focus specifically on foamable polymer systems. Our R&D team understands the complex interaction between the PVC matrix, blowing agent, stabilizers, and process conditions.
Comprehensive Application Support: From initial trials to full-scale production, we provide hands-on support. We help you optimize machine settings (temperature, injection speed, back pressure) and mold design to achieve perfect results.
Uncompromising Quality Control: Every batch is tested for key foam properties: expansion ratio, cell structure uniformity, and thermal stability. You receive a consistently performing material, eliminating production variables.
Customization Capability: We tailor formulations based on your specific needs:
Target density and hardness (Shore A)
Specific flow characteristics for your mold geometry
Color matching and UV resistance requirements
Sustainable & Efficient: By reducing material use per unit and enabling energy-efficient processing due to lower melting requirements, our compound supports your sustainability goals.
Elevate your footwear line with the leading Air Blowing PVC Compound.
Contact us today to request a free sample and technical data sheet!
1 ton or as your requested.
Yes, we can. Provide us your ideal data sheet or your detailed requests on PVC compound, such as density, hardness, color and etc. Our professioanl team will design the best formula to suit your needs on PVC compound.
Yes, sure. Contact us right now to get a free samples!
It’s very important to both clients and us. We have our own designed quality control system, including lab test and machine test. We make sure quality is confirmed before loading.
We offer 25kgs kraft & woven bags, your designed label can be sticked on bags. package can be customized.
