Preforms 55mm PET Preform for Disposable 20 Liter Water Bottles

Why choose this 55mm long neck preform?

Specifically designed for 5-gallon (18.9L) disposable mineral water bottles, the 55mm large diameter supports fast filling and cleaning, the long neck provides better sealing compatibility, and the integrally molded support ring ensures stable clamping on automatic filling lines. Multiple gram weights from 210g to 400g meet different strength and cost requirements.

Key Selling Points at a Glance

Advantages of 55mm Large Diameter

• 55mm Large Diameter: Mainstream standard for disposable large water bottles – fast filling flow rate, reduces filling time; secure cap fit with excellent leak-proof performance.

• Long Neck Advantage: Increases neck height, facilitates automatic equipment grasping and positioning, provides more space for tamper-evident rings and branding.

• Support Ring Function: Fixed by grippers on filling lines to prevent tilting or falling; protects neck from deformation during transport; compatible with various preform orienters.

• Disposable Application Optimization: Weights 210g–400g balance bottle strength and cost – ideal for hotels, conferences, events, and other single-use scenarios.

Application Scenarios

Disposable 5-gallon mineral water bottles (hotel guest rooms, conference centers, outdoor events)
Disposable purified water bottles (home and office delivery)
Branded mineral water (restaurant chains, sports events, exhibition water)
Disposable large-format drinking water for export markets

Core Product Parameters

One-Stop Packaging Solution

• PE Caps: 55mm dedicated snap caps or screw caps, food-grade PE, precisely matched to long neck – leak-proof design, tamper-evident ring optional.

• Handles: Optional ABS/PE handles for easy carrying (lightweight handles available for disposable bottles).

• Finished Bottles: 5-gallon disposable mineral water bottles available – blown and supplied as a complete set, high transparency, no odor.

Company Profile

Taizhou Huangyan Jinting Plastic Mold Co., Ltd. | Rooted in the World's Plastic Manufacturing Hub

Located in Huangyan, Taizhou, Zhejiang – the "Hometown of Plastics", one of the largest plastics clusters globally. Over 25 years of PET preform experience, specializing in food-grade disposable and reusable packaging solutions.

| Company Facts

| Our Mission

"Specializing in PET preforms, leading the industry future. Food safety is our uncompromising commitment."

FAQ

Q1: What filling equipment is compatible with 55mm preforms?
A: 55mm is a mainstream neck size for disposable large water bottles globally, compatible with most 5-gallon filling lines (e.g., Tech-Long, Newamstar). Samples available for testing.

Q2: What is the difference between long neck and standard neck?
A: Long neck is 5–10mm taller than standard neck, facilitating automatic equipment grasping, providing more space for caps and tamper-evident rings, and ensuring more reliable sealing.

Q3: Does the support ring affect blow molding?
A: No. The support ring is integrally molded and is not stretched during blow molding – it remains at the neck position and provides fixation and positioning.

Q4: How does durability compare between 210g and 400g preforms?
A: 210g is suitable for single use with 2–3 layers stacking; 400g offers higher strength, can stack 5–6 layers, better drop resistance. For disposable mineral water, 250g–300g is recommended.

Q5: Do you provide free samples?
A: Free samples for standard weights (210/250/270/300g) with freight collect. Other weights require a sample fee (deductible from future orders).

Q6: What is the MOQ?
A: Standard 10,000 pcs. Trial order of 5,000 pcs acceptable for first cooperation.

Q7: What is the lead time?
A: 15–30 days after order confirmation. Rush orders can be discussed.

Q8: What customization services do you offer?
A: Weight, color (Pantone), neck engraving, anti-counterfeit ring color, exclusive mold development.

Q9: Do you have stock?
A: Small stock for common weights (250g/300g). Other weights are made to order.

Q10: Payment terms?
A: T/T, L/C; 30% deposit, 70% before shipment.

Request Sample or Quotation

Please provide:

• Target gram weight (e.g., 250g, 300g)

• Color (transparent / custom Pantone code)

• Estimated quantity

• Need matching caps / handles?

• Target market (for filling line compatibility reference)

📧 Email: [[email protected]]
📞 WhatsApp: [8613515760932]
🌐 Website: [ www.jtpreform.com]

👉 Contact us now for free samples or a quotation