Professional vacuum flask manufacturer China with 15+ years experience. h2deek offers OEM/ODM services, double-wall vacuum technology, temperature retention 12-24 hours, MOQ 500pcs, factory-direct pricing from $5-16 per piece. Get a free quote for your vacuum flask project!
How it works: Vacuum layer between inner and outer walls prevents heat transfer
Temperature retention: Hot 12-24 hours, Cold 24-48 hours
Best for: Premium bottles, tumblers, travel mugs
Benefits: Enhanced heat reflection, improved temperature retention
Cost impact: +15-25% compared to standard vacuum insulation
| Method | Durability | Cost Impact |
|---|---|---|
| Tail Vacuum | 2-3 years | Baseline |
| Bottom Vacuum | 3-5 years | +10-15% |
| No-Tail Vacuum | 5+ years | +20-30% |
| Test | Standard | Result |
|---|---|---|
| Vacuum Level | <0.001 Pa | ✅ Pass |
| Leak Test | 100x inverted shake | ✅ Pass |
| Drop Test | 1.5m onto concrete | ✅ Pass |
| Dishwasher Test | 50+ cycles | ✅ Pass |
| Capacity | 500-999 pcs | 1000-2999 pcs | 5000+ pcs |
|---|---|---|---|
| 12-16 oz | $6-11 | $5.50-10 | $5-9 |
| 17-25 oz | $8-14 | $7-12 | $6-10 |
| 26-40 oz | $10-16 | $9-14 | $8-12 |
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Hot 12-24 hours, Cold 24-48 hours depending on capacity and conditions.
Standard MOQ is 500 pieces per design.
Sample: 5-7 days. Bulk: 25-35 days.
Yes, 100% BPA-free and tested by third-party labs (SGS).
h2deek is a professional vacuum flask manufacturer China with over 15 years of experience. We serve brands, corporations, and retailers worldwide, specializing in vacuum insulated bottles with OEM/ODM services.
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