SHUANGHAO Machinery is a leading manufacturer and supplier of high-precision bottle cap molds for the global packaging industry. Specializing exclusively in the design and production of advanced bottle cap tooling, we provide comprehensive, customized solutions for manufacturers worldwide. With years of technical expertise and a strong commitment to research and development, we offer state-of-the-art molds that enable customers to produce high-quality plastic caps efficiently and cost-effectively.
SHUANGHAO Machinery proudly presents our Food-Grade PP Flip-Top Caps—precision-engineered closures designed specifically for applications requiring reliable sealing, contamination protection, and convenient one-handed operation. Manufactured from high-quality polypropylene (PP) that meets stringent food safety standards, these flip-top caps combine functional excellence with versatile compatibility across multiple packaging formats .
1. Food-Grade Material Safety
Our flip-top caps are manufactured from FDA-approved food-grade polypropylene (PP) that fully complies with safety standards for food contact materials . Key material benefits include:
Non-toxic and odorless – safe for food, beverage, and personal care applications
Chemical resistance – withstands acidic products like juices, sauces, and cleaning agents
High durability – impact and compression resistant, with aging resistance ensuring long-term use without deformation or cracking
2. Advanced Dust-Proof & Leak-Proof Protection
Our flip-top caps feature multiple sealing mechanisms to ensure product integrity:
Precision sealing technology reduces leakage rates by up to 30% compared to standard caps
Secure flip-top closure protects contents from dust, dirt, and external contaminants
IPX6 leakproof certification available on select models, withstanding water jets and preventing spills even under pressure
Crab claw or bore seal options ensure tight closure for various product viscosities
3. Versatile Packaging Compatibility
SHUANGHAO's flip-top caps are designed for universal fit across multiple container types:
Standard neck finishes: Available in 24/410, 28/410, 38/400, and custom sizes to match your specific bottles
Multiple applications: Suitable for liquids, gels, creams, and semi-viscous products
Temperature resistance: Performs reliably from freezer conditions to warehouse storage
4. User-Friendly Functional Design
One-handed operation – simple flip mechanism enables easy access while multitasking
Precise dispensing control – regulates flow for accurate portioning and reduced waste
Ribbed grip texture – improves grip by approximately 20%, aiding users with limited dexterity
Tamper-evident options – breakable seals provide visible evidence of opening
| Parameter | Specification |
|---|---|
| Material | Food-grade PP (Polypropylene) |
| Neck Finishes | 24/410, 28/410, 38/400, custom sizes |
| Seal Types | Bore seal, crab claw seal, silicone valve options |
| Certification | FDA 21 CFR 177.1520, EU regulation compliance |
| Temperature Range | -5°C to 80°C+ depending on grade |
| Customization | Colors, logos, UV coating available |
Food Industry
Edible oils, vinegar, and liquid condiments
Honey, syrups, and liquid sweeteners
Beverage Industry
Personal Care & Cosmetics
Lotions, creams, and liquid soaps
Household & Industrial
Detergents and cleaning solutions
Liquid soaps and hand sanitizers
Pharmaceutical & Healthcare
Every SHUANGHAO flip-top cap mold undergoes rigorous quality testing to ensure:
Consistent dimensional accuracy across all cavities
Leak-proof performance verification
Hinge durability testing for thousands of cycles
Food-grade compliance with FDA and EU standards
Food safety expertise: Deep understanding of food-grade material requirements and certifications
Versatile compatibility: Caps designed to fit standard bottle neck finishes worldwide
Proven leak-proof performance: Advanced sealing technology reducing leakage rates
Customization capabilities: Tailored neck finishes, colors, and dispensing features
Durable construction: Premium materials ensuring extended mold life and consistent quality
SHUANGHAO Machinery's Food-Grade PP Flip-Top Caps represent the ideal solution for manufacturers seeking reliable, versatile closures that protect product integrity while enhancing user convenience. Contact us today to discuss your requirements.