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Production Process and Advantages of Silicone Extruders

Time：

2023-01-06

The production process of a silicone extruder is as follows: 1. Rubber Mixing: Raw silicone materials are fed into a two-roll open mill, where a bis‑(tri‑sulfide) or platinum curing agent, or silicone color masterbatch, is added to blend the compound. The mixture is then rolled into uniform, thin layers to produce silicone extrudate. For fully transparent silicone compounds, additional blending is performed with a two‑component curing accelerator and colorants. After adjusting to the desired specifications and model, the material is cut into uniform lengths and fed into a die for continuous high‑temperature molding. 2. Molding by Compression: A mold is installed on the silicone extruder’s barrel, and the prepared silicone compound is divided into pieces of consistent length and thickness, facilitating easy feeding through the extruder’s feed port. The material is then extruded and shaped under pressure, yielding soft silicone tubing. This tubing is placed in a long curing oven for high‑temperature vulcanization. Once cured, the resulting silicone tubing is considered a semi‑finished product; it is then coiled. The coiled tubing is transferred to an electric oven, typically set at 200°C for two hours, to carry out a secondary vulcanization step that eliminates odors and prevents yellowing. 3. Post‑Processing: Finally, the product undergoes further processing—such as cutting to customer‑specified lengths or bonding—as required. The cut silicone pieces are arranged within the mold cavities.

Silicone extruder The production process:

1. Rubber Mixing: Raw rubber materials are fed into a two-roll open mill, where dicumyl peroxide, platinum catalysts, or silicone color masterbatches are added to carry out the mixing process, producing a uniformly thin extrudable silicone compound. For fully transparent silicone compounds, the raw materials are mixed first, then combined with two‑component vulcanization accelerators and colorants before being further blended. The compounded material is subsequently cut into uniform strips according to the product’s specifications and dimensions, which are then placed in molds for continuous high‑temperature molding.

2. Molding: In Silicone extruder The engine is fitted with a mold, and the carefully prepared silicone compound is cut into uniform lengths. This makes it easy to feed into the extruder’s die, after which the silicone extruder dispenses the material for compression molding. However, the resulting silicone tubing remains very soft. The silicone tubing is then placed in a long curing oven for high‑temperature vulcanization. Once cured, the silicone tubing is considered a semi‑finished product and is wound up. Next, the neatly wound tubing is transferred to an electric oven; typically, it is baked at 200°C for two hours to carry out a secondary vulcanization, eliminating any residual odor and preventing yellowing.

3. Subsequent Manufacturing and Processing: Next, the material is cut to the customer‑specified length or undergoes other post‑processing steps such as bonding. The silicone raw material, pre‑cut into small pieces, is placed into the mold cavities, then pressed under sustained high temperatures to set its shape. Silicone tubing manufacturers must rigorously control product quality to prevent defects such as uncured rubber or blistering. Once all inspections confirm compliance, the tubing is packaged according to the customer’s specifications and delivered.

4. Common issues: Silicone tubing serves functions similar to silicone sealing rings, such as sealing and installation; therefore, both its material properties and tensile strength must be rigorously controlled.

Silicone extruder Its defining feature is showcasing strengths.

All industrial equipment has distinct operational characteristics, enabling it to provide essential maintenance for the products being manufactured and processed. Take silicone extruders, for example: such machinery offers the advantage of increasing production output while reducing resource consumption—factors that are critically important for any manufacturing enterprise. Consequently, these considerations should be central when selecting production-line equipment.

The quality of a silicone extruder depends on its internal design, structural parameters, and the raw materials used in its manufacture, enabling it to meet customers’ specific requirements. The entire equipment is engineered with a highly compact structure, which enhances operational stability and reduces vibration.

This approach helps to mitigate noise pollution. Moreover, intelligent, automated machinery enables quick and convenient adjustments, ensuring stable, high‑speed operation and delivering consistent results in the production of raw materials. The user‑friendly, smart interface allows for precise control over product appearance. Modern variable‑frequency drives further optimize speed regulation during operation, reducing energy consumption.