IT IS IMPORTANT TO CONSIDER THE FOLLOWING INFORMATION AS YOU MAKE YOUR PURCHASING DECISIONS
Information found on our website is to be used as a general guide only and is subject to further investigation, due diligence and/or testing. We strongly encourage you contact us with any questions or concerns prior to making large or long-term purchases.
Glass is considered impermeable, and will generally contain products without evaporation or external contamination for considerable lengths of time. Vacuum-sealed ampoules of glass have been known to remain airtight, and their contents unaltered, for many years, if not generations or eons. This amazing property of glass is one of its most important qualities, and is often the primary reason to choose glass over another material. It is also endlessly recyclable, and just looks and feels cool. We're big fans. Yay, Glass!
Conversely, many (most) other materials including, but not limited to -- rubber (both natural and synthetic), most plastics, some rocks, wood/paper, cork, cloth, etc. -- will allow some degree of transmission allowing air/liquid/vapor to pass through. They are all considered porous.
This behavior may be illustrated in the specific case of rubber (i.e., the material on a dropper bulb) by imagining a balloon slowly deflating in the hours, perhaps even days after inflation, or the tires on a car or bicycle requiring periodic re-inflation.
Please realize that unlike the balloon at a child's birthday party, if you work with volatile/flammable/dangerous chemicals or materials, this can present a hazard. In addition to a thorough understanding of the properties of any products being utilized, particular attention should be made to the suitability of the working and/or storage environment. Carefully consider the combined and cumulative effects of time, temperature, and light on these natural processes.
Additional information may be found at the links below, which are provided for convenience only. Discount Vials is neither the publisher of, nor responsible for, any content.
https://en.wikipedia.org/wiki/Porosity
http://www.polymerdatabase.com/polymer%20physics/Permeability.html
https://imageserv5.team-logic.com/mediaLibrary/99/D116_20Haibing_20Zhang_20et_20al.pdf
We are constantly amazed and thrilled by the creativity, curiosity and imaginations of our customers. The myriad uses they have found for products they have purchased from us, ranging from the mundane to the marginally insane, is beyond our ability or desire to comprehend, much less control.
THE SUITABILITY OF ANY OF OUR PRODUCTS FOR ANY USE WHATSOEVER IS THE SOLE RESPONSIBILITY OF THE END USER
It is our pleasure to serve you, be safe!