Transdermal Patch Rolling Ball Tack Test

Transdermal patches are widely used in medical applications to deliver active compounds through the skin efficiently. Their effectiveness depends heavily on the adhesive properties, which must be carefully controlled to ensure proper application, patient comfort, and therapeutic efficacy. One of the most reliable methods to evaluate the tackiness of adhesives in transdermal patches is the […]

Método de prueba de tensión de la bola rodante de cintas médicas: Explicación de la norma ASTM D3121

The Rolling Ball Tack Test is a well-established method for assessing the tack of pressure-sensitive adhesives (PSAs), particularly for low-tack adhesives such as those used in medical tapes. Understanding this testing method is essential for professionals in the medical and packaging industries, ensuring that medical tapes and other adhesive products meet the required performance standards. […]

Low Tack Adhesives and the Rolling Ball Tack Test Method

Low tack adhesives play an important role in applications where temporary bonding, easy repositioning, or clean removability is required. Examples include protective films, repositionable labels, masking materials, and specialty tapes. For these products, excessive initial adhesion can cause handling problems, surface damage, or residue. As a result, manufacturers and quality professionals need a reliable way […]