LEIZHEN Machinery: Professional Manufacturer of Preform Molds

LEIZHEN Machinery is a leading manufacturer and supplier of high-precision preform molds for the global packaging industry. Specializing exclusively in the design and production of advanced PET preform 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 preforms efficiently and cost-effectively.

Sample Preservation Tube Preforms: Medical-Grade Precision for Laboratory Applications

LEIZHEN Machinery proudly presents our Sample Preservation Tube Preform Molds—precision-engineered tooling solutions designed specifically for the production of medical-grade sample collection and storage tubes. Sample preservation tubes are essential components in diagnostic testing, medical research, and laboratory analysis, requiring exceptional dimensional accuracy, material purity, and cleanliness to ensure sample integrity and reliable test results . Our specialized molds deliver the micron-level precision and contamination-free production environment demanded by the healthcare industry.

Key Features

1. Medical-Grade Material Compatibility

Our preform molds are optimized for medical-grade polymers that meet stringent healthcare requirements:

• Medical-grade PP (Polypropylene) – Offers excellent chemical resistance, sterilization compatibility (autoclave, gamma, EtO), and clarity 

• Medical-grade PET – Provides superior clarity and barrier properties for sensitive sample preservation

• Biocompatible materials – Selected for low extractables and leachables, ensuring sample purity 

• FDA and ISO 10993 compliant – Materials suitable for direct contact with biological samples

2. Ultra-High Precision Engineering

Sample tubes require exacting dimensional tolerances to ensure compatibility with laboratory analyzers and automated handling systems :

• Micron-level accuracy – Cavity machining achieving tolerances of ±0.01-0.02mm for critical dimensions 

• Consistent wall thickness – Ensuring uniform material distribution for reliable performance during centrifugation and handling

• Precision thread forming – For screw-cap tubes requiring leak-proof sealing

• Smooth internal surfaces – Preventing sample adhesion and ensuring complete recovery

3. Cleanroom-Compatible Mold Design

Cleanliness is paramount for medical applications:

• Molds designed for cleanroom production – Compatible with ISO Class 7 or Class 8 cleanroom environments 

• Contamination prevention features – Nickel-plated components and lubricant-free guide systems eliminate potential contaminants 

• Easy sterilization – Smooth surfaces and corrosion-resistant materials facilitate thorough cleaning between production runs

• Non-contaminating materials – S136 stainless steel construction with no porosity or surface defects

4. High-Cavitation Configurations

Efficient production of medical disposables requires high throughput:

• Multi-cavity options from 16 to 64 cavities for volume requirements 

• 64-cavity configurations capable of producing over 25,000 tubes per hour with cycle times as low as 8 seconds 

• Weight variation below 1% across all cavities ensuring consistent quality 

5. Advanced Hot Runner Systems

• Medical-grade hot runner design with individual temperature control for each nozzle

• Valve gate technology providing clean gate vestige and eliminating particle generation

• Balanced filling across all cavities ensuring dimensional consistency

• Low-shear design preventing material degradation and maintaining polymer properties

6. Premium Material Construction

• Mold life: Engineered for 3-5+ million injection cycles with proper maintenance

Technical Specifications

Applications

Diagnostic Testing

• Blood collection tubes

• Urine sample containers

• Swab transport tubes

Laboratory Research

• Centrifuge tubes

• Cryogenic storage vials

• Reaction tubes

Pharmaceutical

• Sample storage for clinical trials

• Drug testing containers

• Quality control sampling

Biotechnology

• DNA/RNA preservation tubes

• Specimen transport containers

• Reagent storage vials

Quality Assurance

Every LEIZHEN sample preservation tube mold undergoes rigorous quality testing:

• CMM inspection verifying all critical dimensions to micron accuracy 

• Sample production for customer validation

• Cleanroom compatibility verification

• Detailed documentation including material certifications and maintenance guides

Why Choose LEIZHEN for Medical Preform Molds?

• Medical-grade expertise: Deep understanding of healthcare industry requirements and regulatory standards

• Ultra-high precision: Micron-level accuracy ensuring compatibility with automated laboratory systems

• Cleanroom design: Molds engineered for contamination-free production environments

• High-cavitation efficiency: 64-cavity configurations for maximum productivity 

• Premium materials: S136 stainless steel construction ensuring long-term reliability

• Comprehensive support: Design consultation, installation guidance, and after-sales service

Partner with LEIZHEN for Medical-Grade Preform Solutions

LEIZHEN Machinery's Sample Preservation Tube Preform Molds represent the ideal solution for manufacturers seeking precision, cleanliness, and reliability in medical and laboratory tube production. Contact us today to discuss your requirements.