Steam jets are an integral part of the EPS/EPP moulding process, specifically used in the production of expanded polystyrene (EPS) and expanded polypropylene (EPP) foam products. These steam jets play a vital role in shaping and expanding the foam material inside the mould to achieve the desired shape and size.
The steam jets, also known as steam nozzles, are strategically placed within the EPS/EPP mould cavity. When the mould is closed, steam at high pressure is injected through these jets into the mould cavity. The steam rapidly heats the pre-expanded beads or particles of EPS/EPP material inside the mould, causing them to soften and fuse together.
As the softened beads or particles fuse, they expand to fill the entire mould cavity, creating a solid and rigid foam structure. The steam also helps to maintain the desired temperature throughout the moulding process, ensuring uniform expansion and curing of the foam material.
The function of the steam jets is to deliver a controlled and consistent flow of steam, ensuring even distribution of heat and pressure inside the mould. This is crucial for achieving precise and consistent product dimensions, strength, and quality. The steam jets also help to accelerate the curing process, allowing for faster production cycles.
Additionally, the steam jets aid in the elimination of air and gases, which may be trapped within the mould cavity. The high-pressure steam displaces these gases, ensuring a clean and void-free foam structure.
Steam jets are necessary components of the EPS/EPP moulding process, facilitating the expansion and shaping of foam material by injecting steam into the mould cavity. They contribute to the production of high-quality EPS/EPP foam products with consistent dimensions, strength, and integrity. Widely used steam jets are made of brass and aluminum with diameter 6mm,8mm,10mm, 12mm height 5.5mm of different holes.
| The mould vent is part of the mould for steam and water going into the mould cavity. | ||||
| Material | Cooper | Aluminum | ||
| Size | 6mm | 8mm | 10mm | 12mm |
| Shape | round | square | ||
| MOQ | 100pcs | |||
Products Name: High Precision Stainless Steel mould vents
Application: Metal gravity casting mold, EPS injection mold, vacuum casting mould
Material : Aluminum, Brass, steel, stainless steel
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