38mm Aluminium Screw Cap
The 38mm Aluminium Screw Cap is a closure designed specifically for bottles with a neck diameter of 38mm. They are widely used in the packaging of food, beverages, and other liquid and solid products, particularly for bottled items such as herbs, spices, and spirits.
The 38mm Aluminium Screw Cap is made of high-grade aluminium, which is lightweight, durable, corrosion-resistant, and recyclable. The material may have an anodized coating to enhance surface protection, with options for color customization or improved aesthetics.
HC Bottle Cap Manufacturing Co., Ltd. has over 17 years of experience providing various aluminium caps, plastic caps, aluminium-plastic caps, glass bottles, and other packaging products. Our products are sold to more than 20 countries worldwide, including the United States, Europe, South Africa, Southeast Asia, and more.
38mm Aluminium Screw Cap Specifications
| Specification Item | Detailed Description |
| Diameter | 38mm (outer diameter, unless specified as inner diameter, to meet specific thread requirements) |
| Height/Contour | Standard height varies depending on design (e.g., low profile or high profile to enhance grip) |
| Liner | Options: PE foam, foam seal, paper pulp and aluminium, heat seal, aluminium foil, etc., with liners customizable to fit specific contents (e.g., FDA-compliant food contact liners) |
| Thread Type | Precisely designed continuous threads (e.g., standard pitch, right-handed), ensuring compatibility with corresponding containers. Custom thread specifications (pitch, direction) available upon request. |
| Customization Options | - Brand customization: Laser engraving, embossing, or color anodizing for logos, text, or regulatory markings |
| - Compliance with standards: Conforms to industry standards for material quality, threads, and safety (e.g., ISO, ASTM) | |
| Color Options | Options: White, black, gold, and various other colors |
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The company relies on a strictly controlled production process to produce high-quality bottle caps. HC Bottle Cap Manufacturing Co., Ltd. ensures that each cap meets international standards in appearance, performance, and quality, fulfilling various customer needs and providing superior packaging solutions.
38mm Aluminum Screw Cap Features
- Material: These caps are made of durable aluminum with a smooth brushed surface, enhancing the product's appearance.
- Sealing Mechanism: Optional integrated liner/gasket.
- Liner: Commonly equipped with EPE (Expanded Polyethylene) liner, ensuring a tight seal to prevent leakage and product cross-contamination.
- Compatibility: Designed to fit 38mm neck plastic spice jars, ideal for packaging herbs and spices.
- Customization: Available in multiple colors, and can be customized with embossing, printing, or other decorative finishes to match brand aesthetics.
38mm Aluminum Screw Cap Sealing Performance
- Liner: To ensure the bottle's seal, the 38mm aluminum screw cap is typically equipped with an EPE (Expanded Polyethylene) liner or other types of sealing liners. This liner effectively blocks air and moisture from entering the bottle, maintaining the product's freshness and quality while preventing leakage or contamination.
- Sealing Design: The screw cap's design allows the user to easily tighten or loosen the cap by twisting, ensuring the bottle remains sealed even during transport or storage, preventing leakage.
38mm Aluminum Screw Cap Applications
| Application | Description |
| Food and Beverage | The 38mm aluminum screw cap is widely used for packaging various food and beverage products, such as herbs, spices, juices, spirits, and seasonings. The cap is precision-designed to ensure a perfect seal at the bottle neck, effectively preventing air, moisture, or external contaminants from entering, preserving the product's freshness and flavor. In addition, the 38mm aluminum screw cap not only offers practical functionality but also enhances the packaging's appearance, attracting consumers' attention. Its shiny aluminum surface and customizable colors, logo designs make the packaging more marketable, increasing consumer purchase desire. |
| Cosmetics and Pharmaceuticals | The 38mm aluminum screw cap also performs excellently in packaging cosmetics and pharmaceuticals. Many cosmetics and pharmaceutical products need to prevent air or moisture from entering to prolong shelf life and maintain effectiveness. The 38mm aluminum screw cap provides outstanding sealing performance, preventing external environmental factors from affecting the product's quality. Whether for skincare products, ointments, or other sensitive cosmetics, the sealing effect of the aluminum screw cap ensures that the product is not affected by external factors during transport and storage, ensuring long-term stability and efficacy. Additionally, this cap can be equipped with food-safe liners that meet FDA standards to further enhance product safety. |
| Other Industries | The 38mm aluminum screw cap is also widely used in packaging for other liquid and solid products, such as cleaners, perfumes, hair care products, etc. For these products, the 38mm aluminum screw cap similarly provides sealing protection, effectively preventing leakage or contamination. In perfume packaging, the aluminum screw cap ensures that the fragrance is not affected by external air, maintaining long-lasting scent stability. For products like cleaners and hair care items, the 38mm aluminum screw cap ensures the container remains sealed, preventing product evaporation or leakage, thus improving product quality and user experience. |
Customization and Personalization
- Color and Logo Customization: Through anodizing or spraying processes, the 38mm aluminum screw cap can be customized in colors according to brand requirements, enhancing the product's market appeal. Additionally, printing, embossing, or laser engraving brand logos and information on the cap can increase brand recognition.
- Size Adaptability: This type of cap is designed to fit 38mm bottle neck containers but can also be customized to fit containers with different neck sizes as needed.
38mm Aluminum Screw Cap Advantages
- Efficient Sealing: The liner and screw design ensure a tight seal, preventing leakage and contamination.
- Aesthetics and Durability: The aluminum material's texture and customizable design enhance the product's market competitiveness.
- Environmentally Friendly: The recyclability of aluminum ensures sustainability.
The 38mm aluminum screw cap is not only widely used in the food, beverage, and other industries, but also stands out as an ideal choice in modern packaging design due to its excellent sealing performance, customization options, and eco-friendly features.
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