White PET Preforms: Light-Blocking Protection for Cosmetic and Food Packaging
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.
White PET Preforms: Light-Blocking Protection for Cosmetic and Food Packaging
LEIZHEN Machinery proudly presents our White PET Preforms—precision-engineered preform solutions specifically designed for applications requiring light protection. White PET preforms provide excellent light-blocking properties that protect sensitive contents from UV radiation and visible light degradation, making them ideal for cosmetic creams, lotions, dairy products, edible oils, and other light-sensitive formulations . Our white preforms combine the superior clarity and performance of PET with effective light barrier protection.
Key Features
1. Superior Light-Blocking Protection
White PET preforms offer exceptional protection against harmful light exposure:
Effective UV barrier – Prevents UV radiation from degrading light-sensitive ingredients
Visible light blockage – Opaque white material shields contents from photo-degradation
Extended shelf life – Protects product integrity, color, and efficacy
Ideal for cosmetics, skincare, dairy, and edible oil applications
2. Premium Material Quality
Our white PET preforms are manufactured to the highest standards:
Food-grade and cosmetic-grade PET meeting FDA and EU food contact regulations
Consistent color uniformity across all preforms with precise white pigment dispersion
No additive migration – Safe for direct contact with contents
Excellent processability – Compatible with standard stretch blow molding equipment
3. Precision Mold Engineering
LEIZHEN molds deliver consistent white preform quality:
| Parameter | Specification |
|---|---|
| Cavity Options | 24-96 cavities |
| Neck Finish | PCO 1810, PCO 1881, 28mm, 38mm, 48mm, custom |
| Preform Weight | 5g-100g customizable |
| Wall Thickness Variation | < 0.10mm |
| Weight Difference Between Cavities | < 0.3 grams |
| Mold Life | 3-5+ million cycles |
4. Multi-Cavity Configurations
Our white preform molds offer high-efficiency production:
| Cavity Count | Typical Output |
|---|---|
| 48 cavities | 17,000-25,000 preforms/hour |
| 72 cavities | 23,000-31,000 preforms/hour |
| 96 cavities | 30,000-40,000 preforms/hour |
5. Premium Mold Construction
| Component | Material | Hardness |
|---|---|---|
| Core and Cavity Inserts | S136 Stainless Steel | HRC 48-52 |
| Neck Rings | Nitrided Steel | HRC 45+ |
| Mold Base | Chrome-plated P20 | Pre-hardened |
Applications
Cosmetic and Personal Care
Light-sensitive creams and lotions
Serums and active ingredient formulations
Essential oils and fragrances
Sunscreen and sun care products
Food Packaging
Edible oils and cooking oils
Dairy products (milk, yogurt, cream)
Sauces and condiments
Nutritional supplements
Pharmaceutical
Light-sensitive liquid medications
Vitamin and supplement bottles
Advantages of White PET for Light Protection
| Feature | Benefit |
|---|---|
| UV Protection | Prevents degradation of light-sensitive ingredients |
| Opaque Barrier | Blocks visible light that can cause discoloration |
| Material Integrity | Maintains product freshness and efficacy |
| Aesthetic Appeal | Clean, professional white appearance |
Quality Assurance
Every LEIZHEN white preform mold undergoes rigorous testing:
Color consistency verification across all cavities
CMM inspection ensuring dimensional accuracy
Sample production available for customer approval
Material certification confirming food-grade compliance
Why Choose LEIZHEN for White PET Preform Molds?
Specialized expertise: Deep understanding of light-blocking preform requirements for cosmetic and food applications
Color consistency: Precise pigment dispersion ensuring uniform white color across all preforms
High efficiency: 48-96 cavity configurations for maximum productivity
Premium materials: S136 steel construction for extended mold life
Customization capabilities: Tailored neck finishes, weights, and cavity counts
Comprehensive support: Design consultation, installation guidance, and after-sales service
Partner with LEIZHEN for White PET Preform Solutions
LEIZHEN Machinery's White PET Preforms represent the ideal solution for cosmetic, food, and pharmaceutical manufacturers seeking effective light protection for sensitive contents. Contact us today to discuss your requirements.
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