How Suction Cups Work
Suction cups rely on external pressure being greater than internal pressure. To accomplish this, a suction cup uses the negative pressure created by “pushing” out the air contained within the interior of the cup (cavity) and the positive pressure of the air trying to get back in. The suction cups rim must contact the surface to create a tight seal. The length of time it takes a suction cup to lose partial vacuum depends on the time it takes for air to get between the cup and surface, which is dependent on several factors including the porosity of the material, the quality of the cups rim, and the amount of perpendicular weight.
POP Display is one of the leading suppliers of retail fixtures, fittings, and accessories in the UK.
We have been supplying quality hanging fixtures and display solutions, like suction cups for over 20 years. Some of our most popular suction cups include:
Key Considerations When Choosing Suction Cups
To identify the right type of suction cups you require to hang your posters or display items it is important to consider a few key characteristics of your materials and the size or logistical constraints of your products or hanging displays. Make sure you attach your suction cups to nonporous surface of materials like glass, metal, plastics, or varnished wood. The depth of the suction cup cavity plays a vital role in its’ ability to contact the surface to form a tight barrier from the seepage of atmospheric pressure. For example, oil-resistant rubber is often best suited for sheet and plate metals, while coating-compatible rubber is designed to handle low-e glass and other coated materials without leaving markings. The lifting capacity of suction cups is dependent on several variables including the compound of the material used on the suction cup, the surface area of the suction cup, and the atmospheric pressure. Identifying the dimensions and weight of your material, operating size restrictions, and logistical limitations of your display will aid in determining the type, size, and number of suction cups required.
Our range of suction cups are distributed from our warehouse in West Thurrock, Essex. Please feel free to call our expert customer service team on 01708 689520. You can also contact us using our Customer Enquiry Form via email. We look forward to hearing from you.
