| Parameter | Details |
|---|---|
| Product Name | 5 Gallon PET Preform (55mm Snap Neck, Without Support Ring) |
| Material | 100% virgin Food-Grade PET (FDA approved, IV 0.80–0.85, no regrind) |
| Neck Type | 55mm snap neck – without support ring |
| Weight Range | 165g – 800g (26 standard weights) |
| Color | Natural transparent; custom Pantone colors with food-grade masterbatch |
| MOQ | Standard 10,000 pcs (small trial orders negotiable) |
| Lead Time | 7–30 days (common weights in stock – ship within 7 days) |
| Certifications | ISO 9001, ISO 22000, FDA, EU 10/2011 |
| Application | Disposable barrels, 5-gallon (18.9L) water barrels |
| Origin | Huangyan, Taizhou, Zhejiang, China |
Specifically designed for disposable barrels and 5-gallon (18.9L) barrels, the 55mm snap neck requires no screw-on caps – direct snap-on sealing for extremely high filling efficiency. The without support ring design offers a cleaner structure and lower cost, especially suitable for single-use applications. 26 standard gram weights from 165g to 800g cover everything from lightweight disposable barrels to ultra-heavy barrels. FDA approved food-grade virgin material – safe for direct drinking water contact. Factory direct pricing offers industry-leading cost performance.

| Selling Point | Details |
|---|---|
| 🔘 55mm Snap Neck | No screw caps needed – direct snap-on sealing, filling efficiency 30%+ higher than screw necks – the mainstream choice for the bottled water industry. |
| 📦 Without Support Ring | Cleaner structure, lower mold cost, lighter preform weight – especially suitable for single-use applications, reducing material cost. |
| 🍃 FDA Approved Food-Grade Virgin PET | Pure virgin PET chips, no regrind, compliant with FDA & EU 10/2011, BPA-free – safe for direct drinking water contact, no odor. |
| ⚙️ 26 Weights from 165g to 800g | Options: 165,185,200,210,220,230,240,250,260,270,280,290,300,325,350,405,450,500,550,600,650,700,730,750,770,800g – custom weights available. |
| 💎 High Transparency & High Blow Success Rate | Precision injection molding, preform haze <3%, uniform wall thickness – barrel blow success rate ≥99.5%. |
| 🏭 Factory Direct Price | In-house molds and injection workshop – no middlemen – without support ring design further reduces cost – industry-leading pricing. |
| 🎨 Color Customization | Natural transparent as standard; custom colors (blue, green, etc.) using food-grade masterbatch for brand-exclusive barrels. |
| ✅ Full Traceability | Each carton includes batch label traceable to raw material, production date, machine, and inspection record. |
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Snap Neck vs Screw Neck: Snap neck requires no rotation – direct downward pressure seals instantly – faster filling speed, lower cap cost.
Without Support Ring Design: Cleaner structure, lower mold manufacturing cost, approximately 10–15g weight reduction per preform – significant material cost savings in mass production – especially suitable for single-use applications.
Ultra-Wide Weight Range: 165g–800g covers lightweight disposable barrels to 300+ cycle ultra-heavy barrels – one product line for all needs.

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| Parameter | Details |
|---|---|
| Product Name | 5 Gallon PET Preform (55mm Snap Neck, Without Support Ring) |
| Material | 100% virgin Food-Grade PET (FDA approved, IV 0.80–0.85, no regrind) |
| Neck Type | 55mm snap neck – without support ring |
| Weight Range | 165g – 800g (26 standard weights) |
| Color | Natural transparent; custom Pantone colors with food-grade masterbatch |
| MOQ | Standard 10,000 pcs (small trial orders negotiable) |
| Lead Time | 7–30 days (common weights in stock – ship within 7 days) |
| Certifications | ISO 9001, ISO 22000, FDA, EU 10/2011 |
| Application | Disposable barrels, 5-gallon (18.9L) water barrels |
| Origin | Huangyan, Taizhou, Zhejiang, China |

| Step | Process | Quality Control |
|---|---|---|
| 1. Raw material | FDA approved PET chips (IV 0.80–0.85) | IV, acetaldehyde, melting point, FDA certification verification |
| 2. Drying | 160–180°C, moisture ≤50ppm | Dew point monitor |
| 3. Injection molding | Dedicated 55mm snap neck mold (without support ring), multi-cavity hot runner | Auto weighing, first-article snap dimension check |
| 4. In-line inspection | Snap structure integrity, wall thickness, visual defects | HD camera auto reject |
| 5. Cooling | Staged cooling | Crystallinity test |
| 6. Snap sealing test | Sample per batch – blow barrel, snap cap sealing test | Pressure test – no leakage |
| 7. Packaging | Anti-static bag + reinforced carton (double-layer for ultra-heavy) | Batch label, FDA food-grade certificate |
| 8. Outgoing | IV, haze, wall thickness, snap dimension, sealing test | Sample retained, report |

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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, an FDA certified food-grade packaging manufacturer, specializing in 5-gallon bottled water preforms, serving bottled water brands in 30+ countries.
| Item | Data |
|---|---|
| Established | 25+ years |
| Factory Area | 20,000+ m² |
| Monthly Capacity | 800+ tons |
| Certifications | ISO 9001, ISO 22000, FDA, EU |
| Export | 30+ countries |
| Neck Sizes | Full range 28mm–55mm, including snap/screw |
"Specializing in PET preforms, leading the industry future. FDA food-grade standards, factory direct pricing."
Q1: What is the difference between without support ring and with support ring? Which is better?
A: Without support ring offers cleaner structure, lower cost, and lighter weight – suitable for single-use applications. With support ring is for reusable barrels (requiring clamping and inversion on washing lines). For single-use, without support ring is the more economical choice.
Q2: What is the difference between snap neck and screw neck?
A: Snap neck requires no screwing – direct downward pressure seals instantly – higher filling efficiency, lower cap cost – the mainstream choice for bottled water. Screw neck is for bottles needing repeated opening/closing.
Q3: What scenarios are 165g and 800g preforms suitable for?
A: 165g for lightweight disposable barrels (single use, no stacking); 800g for ultra-heavy barrels requiring 300+ cycles. For disposable barrels, 165g–255g recommended.
Q4: What is the MOQ? Can it be lower than 10,000 pcs?
A: Standard 10,000 pcs. Common weights (200g/250g/280g/350g) in stock – trial orders of 5,000 pcs acceptable.
Q5: Do you provide free samples?
A: Free samples for common weights (200g/250g/280g/350g) with freight collect. Other weights require a sample fee (deductible from future orders).
Q6: What is the lead time?
A: Stock items: ship within 7 days; custom weights: 15–30 days; 730g–800g ultra-heavy – please inquire 30 days in advance.
Q7: What customization services do you offer?
A: Weight, color (Pantone), neck engraving, anti-counterfeit ring color. For support ring, please refer to our with-support-ring product line.
Q8: Do you have stock?
A: 200g, 250g, 280g, 350g are always in stock – please inquire.
Q9: Payment terms?
A: T/T, L/C; 30% deposit, 70% before shipment.
Please provide:
Target gram weight (e.g., 200g, 350g, 750g)
Color (transparent / custom Pantone code)
Estimated quantity
Application type (disposable / reusable / cycle life requirement)
Need matching snap caps/handles?
| Email: [[email protected]] | ![]() |
| 📞 电话/WhatsApp: [8613515760932] | |
| 🌐 网站 / Website: [www.jtpreform.com] |
👉 Contact us now for free samples or a quotation – Factory direct pricing, FDA certified quality, lower cost without support ring