• 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 CountTypical OutputIdeal Application
16-24 cavities8,000-15,000/hourMedium-volume production
24-32 cavities12,000-20,000/hourHigh-volume operations
32-48 cavities18,000-28,000/hourLarge-scale manufacturing

5. Premium Material Construction

ComponentMaterialHardness
Core and Cavity InsertsS136 Stainless SteelHRC 48-52
Neck RingsImported Nitrided SteelHRC 45+
Mold BaseChrome-plated P20 SteelPre-hardened
Hot Runner ComponentsH13 Tool SteelHeat-treated
  • Mold life: Engineered for 3-5+ million injection cycles

6. Advanced Valve Gate Hot Runner System

FeatureSpecification
Temperature Control±1°C individual nozzle control
Weight Variation< 0.2 grams across all cavities
Gate TypeNeedle valve (clean gate, no tail trimming)
Balanced FillingUniform 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

ParameterSpecification
Neck Finishes18mm, 20mm, 24mm, 28mm, custom sizes
Preform Weight Range5g - 30g typical
Preform Length Range80mm - 200mm
Thread Tolerance±0.02mm
Wall Thickness Variation< 0.08mm
Weight Difference Between Cavities< 0.2 grams
Cycle Time12-18 seconds
Gate TypeValve gate hot runner
Mold Life3-5+ million shots
CertificationFDA, 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.