- By Admin
- 2026/3/27
Food-Grade PET Threaded Neck Slim Tube Preform Mold: Precision Tooling for Slender Container Applications
ZSM Machinery: Professional Manufacturer of Bottle Caps, PET Preforms, and Blow Molding Machines
ZSM Machinery is a leading manufacturer and supplier of high-performance plastic packaging solutions for the global industry. Specializing in bottle cap production equipment, PET preform injection molding systems, and advanced blow molding machinery, we provide comprehensive, integrated solutions for manufacturers worldwide. With years of technical expertise and a strong commitment to research and development, we offer state-of-the-art equipment and tooling that enables customers to produce high-quality plastic packaging components efficiently and cost-effectively.
Food-Grade PET Threaded Neck Slim Tube Preform Mold: Precision Tooling for Slender Container Applications

ZSM Machinery proudly presents our Food-Grade PET Threaded Neck Slim Tube Preform Mold—a precision-engineered tooling solution designed specifically for the production of slender, tube-shaped preforms with standard threaded neck finishes. These slim tube preforms are ideal for applications requiring elongated, narrow containers such as cosmetic tubes, pharmaceutical vials, lotion bottles, and specialty beverage packaging . Our mold delivers exceptional dimensional accuracy, food-grade material compliance, and consistent quality for manufacturers serving these precision-demanding markets.
Key Features
1. Slim Tube Preform Design
Engineered for slender container applications:
Elongated preform geometry designed for high stretch ratios
Ideal for cosmetic tubes, lotion bottles, pharmaceutical vials
Consistent wall thickness maintaining structural integrity
High aspect ratio enabling slender bottle designs
2. Food-Grade Material Compliance
Our molds are engineered for applications requiring direct food or cosmetic contact:
PET material compatibility meeting FDA and EU food contact regulations
Non-toxic, odorless preforms preserving product integrity
Low acetaldehyde (AA) generation critical for sensitive formulations
Virgin and rPET compatible supporting sustainability initiatives
3. Precision Threaded Neck Engineering
The screw neck finish ensures reliable closure compatibility:
Standard neck finishes including 18mm, 20mm, 24mm, 28mm
Thread tolerance maintained within ±0.02mm
Clean thread definition ensuring proper cap engagement
Consistent sealing surface for leak-proof performance
4. Multi-Cavity Configurations
| Cavity Count | Typical Output | Ideal Application |
|---|---|---|
| 16-24 cavities | 8,000-15,000/hour | Medium-volume production |
| 24-32 cavities | 12,000-20,000/hour | High-volume operations |
| 32-48 cavities | 18,000-28,000/hour | Large-scale manufacturing |
5. Premium Material Construction
| Component | Material | Hardness |
|---|---|---|
| Core and Cavity Inserts | S136 Stainless Steel | HRC 48-52 |
| Neck Rings | Imported Nitrided Steel | HRC 45+ |
| Mold Base | Chrome-plated P20 Steel | Pre-hardened |
| Hot Runner Components | H13 Tool Steel | Heat-treated |
Mold life: Engineered for 3-5+ million injection cycles
6. Advanced Valve Gate Hot Runner System
| Feature | Specification |
|---|---|
| Temperature Control | ±1°C individual nozzle control |
| Weight Variation | < 0.2 grams across all cavities |
| Gate Type | Needle valve (clean gate, no tail trimming) |
| Balanced Filling | Uniform across all cavities |
7. Optimized Cooling System
Spiral cooling channels for rapid, uniform heat extraction
Enhanced cooling in neck and tip areas ensuring dimensional stability
Cycle times optimized for slender preform geometries
Technical Specifications
| Parameter | Specification |
|---|---|
| Neck Finishes | 18mm, 20mm, 24mm, 28mm, custom sizes |
| Preform Weight Range | 5g - 30g typical |
| Preform Length Range | 80mm - 200mm |
| Thread Tolerance | ±0.02mm |
| Wall Thickness Variation | < 0.08mm |
| Weight Difference Between Cavities | < 0.2 grams |
| Cycle Time | 12-18 seconds |
| Gate Type | Valve gate hot runner |
| Mold Life | 3-5+ million shots |
| Certification | FDA, EU food contact compliance |
Applications
Cosmetics and Personal Care
Lotion and cream tubes
Serum and essence bottles
Cosmetic sample containers
Lip gloss tubes
Pharmaceutical and Healthcare
Liquid medication vials
Eye drop containers
Nasal spray bottles
Syrup bottles
Specialty Beverage
Juice shots and energy drink bottles
Sample-sized beverage containers
Functional beverage packaging
Food Packaging
Liquid condiment tubes
Honey and syrup containers
Specialty sauce packaging
Quality Assurance
CMM inspection verifying thread and dimensional accuracy
Wall thickness measurement ensuring uniform material distribution
Thread gauge testing confirming cap compatibility
Weight consistency verification across all cavities
Sample production available for customer approval
Why Choose ZSM for Slim Tube Preform Molds?
Specialized expertise: Deep understanding of slender container preform requirements
Food-grade compliance: Materials meeting FDA and EU standards
Precision threading: ±0.02mm tolerance for reliable closure compatibility
High efficiency: Multi-cavity configurations for optimal productivity
Premium materials: S136 steel construction for extended mold life
Integrated solutions: Seamless compatibility with our preform machines and blow molding equipment
Partner with ZSM for Slim Tube Preform Solutions
ZSM Machinery's Food-Grade PET Threaded Neck Slim Tube Preform Mold delivers precision, consistency, and reliability for slender container applications. Contact us today to discuss your requirements.