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Screw Caps for Glass Jars and Wide-Mouth Bottles
Screw caps for wide-mouth jars in PP, bakelite, and aluminum.
Hermetic sealing and multiple R3 sizes. Variety of finishes and colors.
| Skirt: No |
| Seal: No |
| Shutter: No |
| Acabado frasco: Standard |
| Acabado tapa: Brillante |
| Shop by: Units |
Documents
Screw caps for wide-mouth glass containers are designed to ensure a secure, airtight, and durable seal in laboratory, cosmetic, and industrial applications. Available in different materials —polypropylene (PP), bakelite, and aluminum— they offer solutions adapted to different technical and aesthetic needs.
Polypropylene (PP) stands out for its lightness, chemical resistance, and easy cleaning, making it a practical and versatile option for general use. Bakelite, in a uniform black finish, provides high thermal and chemical resistance, in addition to a classic aesthetic widely used in technical environments. For their part, aluminum caps with a ribbed finish, available in black, silver, and gold, offer greater mechanical robustness, better grip, and a more sophisticated appearance.
These caps are available in multiple standardized thread gauges —R3/33, R3/38, R3/48, R3/58, R3/63, R3/68, among others— which guarantees their compatibility with a wide range of wide-mouth glass jars. Each model provides a reliable seal that protects the content against spills, external contamination, and loss of properties.
Their design allows for comfortable and safe handling, facilitating both opening and closing in daily use. In addition, they are compatible with LDPE inserts, which improves airtightness and reinforces the protection of the stored product.
Thanks to their variety of materials, formats, and finishes, these caps constitute an efficient and adaptable solution for storing samples, chemical substances, cosmetic products, essential oils, or solid and liquid preparations, guaranteeing safety, functionality, and a professional presentation.
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