Flask Refill Thermos is a commercial-grade, glass-lined vacuum flask built for wholesale buyers, offering 24–36 hour insulation and transit-ready durability.
Product Features
24–36 Hour Thermal Insulation: Engineered with a double-wall vacuum glass liner that minimizes heat transfer to keep drinks hot or cold for extended hours.
Flavor-Neutral Food-Grade Glass: The inner liner is crafted from food-contact-safe glass, preserving natural beverage flavors with zero plastic odor or chemical leaching.
High Vacuum Seal Integrity: Every glass inner liner features optimized sealing technology for stable insulation and leak-proof performance.
Key Attributes
|
Feature |
Eco-Friendly, Large Capacity, Stocked |
||
|
Applicable people |
All |
Bottle Type |
Vacuum |
|
Drinkware type |
Vacuum Flasks & Thermoses |
Shape |
HANDGRIP |
|
Thermal insulation performance |
24-36 hours |
Style |
Classic |
|
Place of origin |
China |
Production |
Flask Refill Thermos |
|
Brand name |
JIAKAI or Customized |
Colour |
White,Pink |
|
With/Without Asbestos |
Both are Available |
Capacity |
Various |
|
Liner materials |
Glass |
Food Contact Safe |
SGS TEST REPORT |
|
Usage |
Keep water hot/colf |
Function |
Keep water coffee tea coco Hot Cold |
|
Payment terms |
30% prepayment, 70% against BL copy |
Delivery |
20-35 days after deposit |
|
Place of Dispatch |
Shenzhen |
MOQ |
50CTNS |
Product Features
24–36 Hour Thermal Insulation: Engineered with a double-wall vacuum glass liner that minimizes heat transfer to keep drinks hot or cold for extended hours.
Flavor-Neutral Food-Grade Glass: The inner liner is crafted from food-contact-safe glass, preserving natural beverage flavors with zero plastic odor or chemical leaching.
High Vacuum Seal Integrity: Every glass inner liner features optimized sealing technology for stable insulation and leak-proof performance.
Available Customization
Custom logo printing
Custom product colors
Custom gift box packaging
Private label production
Graphic decoration
Capacity selection
Glass liner specification
OEM carton marking
Export packaging customization
Quality Control
To ensure insulation reliability and batch consistency for bulk shipping, every production batch adheres to strict quality inspection procedures:
Inbound Material Inspection: Screening of raw glass, sealing rings, and housing materials prior to production.
Vacuum Chamber Sealing: Automated double-wall glass forming and thermal sealing under controlled temperatures.
100% Insulation Testing: Every liner undergoes automated temperature-retention testing before final assembly.
Leakage & Structural Integrity Check: Pressure and seal verification to prevent liquid leakage during transport.
Pre-Shipment AQL Sampling: Visual finish inspection, packaging verification, and random sampling before dispatch.
Manufacturing capabilities
Intelligent Manufacturing Scale: Over 500,000 m² modern manufacturing space ensuring efficient fulfillment of major international orders.
Recognized R&D Excellence: Winner of 100+ top international design awards (Red Dot/iF) and holder of 200+ innovation patents.
Extensive Export Footprint: Trusted across South America, Southeast Asia, Arabia, and Africa, backed by our recognized brand "JIAKAI".
Comprehensive Service Support: Serving 700+ worldwide partners with reliable spare parts replacement and technical care.
FAQ
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