Uline Launches Leakproof 28400 White Threaded Caps

Have you ever experienced liquid leakage due to poorly sealed bottle caps, resulting in unnecessary losses and inconveniences? Whether in laboratories, production lines, or daily life, container sealing plays a crucial role. A seemingly simple bottle cap actually carries significant responsibilities: protecting contents, preventing contamination, and ensuring safety. ULINE's 28/400 white threaded caps might be the solution you've been searching for.

The ULINE 28/400 white threaded cap is a universal polypropylene closure designed for both glass and plastic containers. The 28/400 specification indicates a 28mm diameter with 400-type threading, making it compatible with various bottles and containers. Its clean white design offers versatility for multiple applications.

• Material: Made from polypropylene (PP), offering excellent chemical resistance and heat tolerance. This thermoplastic provides superior physical properties and chemical stability to protect contents from environmental factors.
• Design: Features continuous threading with ribbed sides for enhanced grip and tightening. The ribs improve friction for easy operation, even with wet hands or gloves, while the continuous thread ensures a secure seal.
• Liner: Includes a polyethylene foam liner that improves sealing performance by filling microscopic gaps between cap and container. The foam's elasticity and chemical inertness prevent reactions with most contents.
• Compliance: Meets FDA standards for safe use with food and pharmaceutical packaging, ensuring no health risks from material composition.
• Compatibility: Works with various spray bottles, expanding applications to include cleaners, cosmetics, and other products requiring spray functionality.

Among numerous bottle cap options, the ULINE 28/400 white threaded cap stands out with these distinctive benefits:

1. Superior Sealing: Triple protection from PP material, continuous threading, and foam liner prevents leaks during transport, storage, or use.
2. Exceptional Durability: Withstands various environmental conditions while maintaining physical integrity and sealing performance.
3. User-Friendly Operation: Ribbed sides facilitate easy gripping and tightening, improving efficiency and reducing operational difficulty.
4. Broad Compatibility: The universal 28/400 size fits numerous glass/plastic containers for food, pharmaceuticals, cosmetics, and cleaning products.
5. Safety Assurance: FDA compliance guarantees safe use with consumable products, demonstrating responsible manufacturing practices.
6. Cost-Effective: Sold by the case at competitive prices, offering excellent value through bulk purchasing.

Detailed product parameters for the ULINE 28/400 white threaded cap:

• Model: S-17980
• Specification: 28/400
• Material: Polypropylene (PP)
• Color: White
• Liner: Polyethylene foam
• Outer Diameter: 1.215 inches (30.86mm)
• Height: 0.475 inches (12.06mm)
• Temperature Resistance: Up to 230°F (110°C)
• Packaging: 150 caps/box
• Unit Weight: 0.01 lbs (4.5g)
• Origin: USA

These versatile caps serve diverse sealing needs across industries:

• Laboratories: Seals reagent/sample bottles to prevent evaporation or contamination.
• Manufacturing: Secures food, pharmaceutical, and cosmetic products during production and distribution.
• Household: Ideal for cleaning agents, detergents, and condiments.
• Food Service: Maintains freshness and hygiene for sauce/condiment containers.
• Healthcare: Ensures safety and efficacy for medicine bottles and disinfectants.

Consider these factors when choosing bottle caps:

1. Container Opening: Verify diameter and thread type (e.g., 28/400, 24/400) for proper fit.
2. Material Compatibility: Select PP or polyethylene based on content properties (acids/alkalis require corrosion resistance).
3. Sealing Requirements: Prioritize lined or specially designed caps for critical sealing needs.
4. Ergonomics: Choose ribbed or textured designs for frequent opening/closing.
5. Cost Efficiency: Balance performance requirements with budget through bulk purchases.

Maximize sealing performance with these practices:

• Apply even pressure when tightening—avoid excessive force that may damage components or insufficient tightening that compromises the seal.
• Regularly inspect caps for wear/damage and replace as needed.
• Limit prolonged exposure to high temperatures beyond the 230°F threshold.
• Maintain cleanliness using warm water and mild detergents to prevent contamination.

The ULINE 28/400 white threaded cap delivers reliable sealing, durability, and user convenience across multiple applications. Its combination of technical excellence and practical design makes it an ideal choice for professionals and consumers alike seeking leak-proof container solutions.