Рулон двусторонних ярких листов PS

Brif intro

PS (polystyrene) sheet is a common plastic sheet with good transparency, rigidity, and easy molding. As the name suggests, the double-sided bright PS sheet has a bright and smooth surface on both sides, which is of great significance for improving the visual effect and performance of the product.

• Double-sided bright: Both sides of the sheet have a bright and smooth surface, which makes the product have a high gloss and aesthetics.
• High transparency: PS sheet has good light transmittance and can clearly display the product.
• High hardness: PS sheet has a high hardness, is not easy to deform, and can protect the product well.
• Easy to form: PS sheet is easy to process by thermoforming, vacuum forming and other processing methods, and can make products of various shapes.
• Good electrical insulation: PS sheet has good electrical insulation performance and can be used in electronic products.
• Good chemical stability: PS sheet has good chemical stability, acid and alkali resistance, and is not easy to corrode.

Specifications of HIPS plastic sheet

Production process of double-sided bright PS sheet

The production process of double-sided bright PS sheet mainly includes the following steps:

Подготовка сырья: polystyrene resin, plasticizer, stabilizer and other raw materials are mixed evenly in a certain proportion to make polystyrene resin.

Экструзионное формование: the prepared polystyrene resin is heated and melted, and extruded into a continuous sheet through an extruder.

Cooling and shaping: the extruded sheet is quickly cooled by a cooling water bath or air cooling to shape it.

Обработка поверхности: in order to achieve the effect of double-sided bright, both sides of the sheet need to be treated. Common surface treatment methods are:

• Mechanical polishing: use mechanical equipment to grind the surface of the sheet, remove surface scratches and burrs, and make it bright and smooth.
• Chemical polishing: use chemical reagents to corrode the surface of the sheet to form a smooth oxide film on its surface.
• Corona treatment: use a high-frequency high-voltage electric field to treat the surface of the sheet, so that it has tiny bumps on the surface, increase the surface area, and improve adhesion.
• Flame treatment: use flames to treat the surface of the sheet to remove surface impurities and increase surface energy.

How to achieve double-sided bright PS sheet

The realization of double-sided bright PS sheet mainly relies on the following aspects:

Purity and uniformity of resin: High-purity and uniform resin can reduce impurities and bubbles, ensure the uniformity of the internal structure of the sheet, and thus improve the surface brightness.

Control of extrusion process parameters: By controlling the temperature, pressure, screw speed and other parameters of the extruder, the fluidity of the melt and the thickness of the sheet can be adjusted, thereby affecting the surface quality of the sheet.

Cooling speed: Rapid cooling can reduce grain growth and improve the transparency and glossiness of the sheet.

Choice of surface treatment process: Different surface treatment processes are suitable for different sheets and different surface effect requirements.

Application of double-sided bright PS sheet

Food packaging: used to make food trays, lids, containers, etc., because of its high gloss and transparency, it makes the packaged products more beautiful.

Consumer product packaging: Transparent packaging boxes for electronic products, toys, daily necessities, etc., to improve the display effect of the product.

Industrial trays and shells: Used to make trays and shells for various industrial products, because of their mechanical properties and chemical resistance, they are suitable for a variety of industrial environments.

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