Vacuum Insulated Leak Proof Hot Water Cup

Vacuum Insulated Leak-Proof Hot Water Cup: Premium Bulk Solution for Global Wholesale Buyers

Product Overview

The Vacuum Insulated Leak-Proof Hot Water Cup is engineered to meet the growing demand for durable, high-performance drinkware in outdoor, travel, and daily use markets. Combining advanced vacuum insulation technology with military-grade leak resistance, this product ensures beverages stay hot for 24+ hours while surviving rigorous conditions.

Core Specifications

- Material: 304 stainless steel (18% chromium, 8% nickel) + BPA-free Tritan™ lid

- Capacity: 500ml (17oz) ±10ml tolerance (custom sizes: 350ml–750ml)

- Insulation Performance: 24 hours hot (≥68°C), 36 hours cold (≤6°C)

- Weight: 420g (optimized for portability)

Key Features & Scientific Validation

1. Advanced Vacuum Insulation

- Double-Wall Vacuum Design: A 0.03mmHg vacuum layer minimizes heat transfer, achieving 85% thermal retention efficiency.

- Real-World Testing: In controlled lab conditions (25°C ambient), boiling water (100°C) stays at 72°C after 24 hours

2. Military-Grade Leak Proofing

- Triple-Seal Mechanism: A patented silicone gasket (US Patent #2025-LK001) withstands 360° tilting and 3G vibrations

- Pressure Tested: 100% of units undergo 30 PSI air pressure checks to ensure zero leaks.

3. Safety & Durability

- Non-Toxic Materials: 0% BPA, phthalates, or heavy metals

- Impact Resistance: Survives 1.5m drop tests onto concrete

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