EVA Foam Sheet manufacturing

Описание: EVA Foam Sheet manufacturing, EVA foam sheets, and Rubber factory Technologies, Rubber and EVA sheets, soles-making process, formulations, etc. youtube videos are available here.EVA foaming sheets use in many sectors nowadays such as Engineering, Footwear, Garments, Packaging and many others sectors.
Sultan Salahuddin
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chemist of rubber, eva sheet

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🧪 How EVA Foam Sheets Are Made | From Raw Materials to Finished Product

Have you ever wondered how versatile EVA foam is created? In this video, we take you inside a factory to show the fascinating manufacturing process of EVA Foam Sheets, from raw plastic pellets to the flexible, durable foam used in countless products worldwide.

EVA (Ethylene-Vinyl Acetate) foam is a closed-cell copolymer known for its excellent cushioning, water resistance, and versatility. You'll find it in everything from shoe soles and sports equipment to packaging and craft projects .

In this video, you will learn:

*The Raw Material Formula:* We break down the precise chemical recipe, including EVA and PE resin, foaming agents, cross-linking agents, fillers, and lubricants that give the foam its specific properties .
*Step-by-Step Production:* We walk through the four key stages of industrial manufacturing:
1. *Mixing:* See how all raw materials are uniformly blended in a high-temperature, high-pressure *Banbury Mixer* .
2. *Sheet Extrusion:* Watch the mixed material be processed into solid, high-density "master sheets" using an extruder and conveyor rollers .
3. *Vulcanization Foaming:* This is the most critical step! We show how the sheets are placed into a press and heated in an **EVA Mold Foaming Vulcanizing Machine**. Under controlled heat and pressure, the foaming agent decomposes, creating a uniform closed-cell structure, while the cross-linking agent strengthens the material .
4. *Cooling & Finishing:* Finally, the newly foamed sheets are cooled to set their shape before being skived (split) to the desired thickness and cut to size .

🔬 Key Material Properties

The manufacturing process results in a material with a wide range of specifications :
| Property | Range |
| :--- | :--- |
| *Density* | 33 kg/m³ to 280 kg/m³ |
| *Hardness* | 15 to 80 (Shore C) |
| *Color* | Typically black/white, customizable with color masterbatch |
| *Cell Structure* | Closed-cell |

🏭 Main Applications
Thanks to its excellent physical properties, EVA foam is used across many industries for:
*Footwear:* Sports shoe midsoles, insoles, and sandals .
*Sports & Recreation:* Yoga mats, gym flooring, protective padding, and swim kickboards .

Watch the complete factory manufacturing process of EVA Foam Sheets! From raw material mixing to vulcanization foaming, we show you how this incredibly versatile material is created.

In this video, you'll see:
The precise raw material formulation for EVA foam.
The industrial 4-step process: Banbury Mixing, Extrusion, Vulcanization Foaming, and Cooling/Finishing.
How cross-linking and foaming agents create the foam's strong, closed-cell structure.
The final specifications of EVA foam, including density and hardness ranges.

EVA foam is essential in products from shoes and sports gear to protective packaging. Its excellent cushioning, water resistance, and durability make it a favorite material for countless applications.

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