As a common thermal insulation container, the thermal insulation performance of stainless steel water cups is an important consideration for consumers. This article will introduce the international standards for the heat preservation time of stainless steel water bottles and discuss the key factors that affect the heat preservation time.
As people become more aware of health and environmental protection, stainless steel water bottles have gradually become a popular choice. However, different brands and models of stainless steel water bottles have differences in the length of time they can be kept warm, which has caused some confusion for consumers. Therefore, it is particularly important to formulate international standards for the insulation time of stainless steel water bottles.
1. Overview of international standards:
At present, the International Organization for Standardization (ISO) and some related organizations have formulated standards for the insulation time of stainless steel water cups. Among them, ISO 20342:2020 “Test Method for Insulation Performance of Stainless Steel Vacuum Bottles” is an important standard. It stipulates the testing methods and evaluation indicators for the insulation performance of thermos bottles, including the measurement method of insulation time.
2. Influencing factors:
The performance of insulation time is affected by many factors. Here are a few key factors:
a) External ambient temperature: External ambient temperature is one of the important factors that affects the insulation time of stainless steel water bottles. Lower ambient temperatures reduce heat loss, extending the insulation time.
b) Cup structure and material: The inner, middle and outer structures of the stainless steel water cup as well as the materials used have a direct impact on the thermal insulation performance. The use of double-layer vacuum structure and stainless steel material with high thermal conductivity can improve the thermal insulation performance.
c) Lid sealing performance: The lid sealing performance of the stainless steel water cup directly affects the internal heat loss. The high-quality lid sealing design can effectively reduce heat loss and increase the heat preservation time.
d) Initial temperature: The initial temperature when pouring hot water into the stainless steel water cup will also affect the holding time. A higher initial temperature means more heat needs to be maintained, so the holding period may be relatively short.
The international standard for the heat preservation time of stainless steel water bottles provides consumers with a reference to help them choose products that meet their needs. Factors that affect the heat preservation time include external ambient temperature, cup structure and material, lid sealing performance, and initial temperature. Consumers should consider these factors comprehensively when purchasing stainless steel water bottles and choose products that meet their needs.
However, it should be noted that there may be differences between different brands and models, so in actual use, it is recommended to judge its thermal insulation performance based on specific product instructions and objective evaluations.
Post time: Dec-07-2023