{"id":2371,"date":"2020-12-11T11:46:59","date_gmt":"2020-12-11T10:46:59","guid":{"rendered":"https:\/\/bmp-srl.it\/?p=2371"},"modified":"2025-07-04T16:05:14","modified_gmt":"2025-07-04T14:05:14","slug":"bonding-pressure","status":"publish","type":"post","link":"https:\/\/bmp-srl.it\/en\/bonding-pressure\/","title":{"rendered":"Bonding failures Chapter 5"},"content":{"rendered":"

We\u2019re almost there \u2013 we\u2019ve practically covered all the steps that precede the application of double-sided tapes and adhesives. Now it\u2019s time to analyze the final factor: PRESSURE<\/strong>.<\/p>\n

<\/h3>\n

Chapter 5: Pressure in Double-Sided Tape Bonding \u2013 How Important Is It Really?<\/h2>\n

Introduction: Pressure in Double-Sided Tape Bonding<\/strong>
We\u2019ve reached the final, yet crucial, step to achieve effective bonding: the pressure applied when using double-sided tape or adhesive. After discussing substrates, cleaning, primers, and temperature, it\u2019s time to address an often underestimated element that can determine the success or failure of a bond.<\/p>\n

<\/h3>\n

Pressure<\/a> and Adhesives: A Delicate Relationship<\/h3>\n

Curing is not always instantaneous<\/strong>
Whether it\u2019s a double-sided tape or a structural adhesive, the pressure applied during bonding plays a crucial role. Too much or too little pressure can compromise the joint.<\/p>\n

Each adhesive has its own curing time: from instant cyanoacrylates to two-component adhesives that require hours or even days. That\u2019s why clamps, weights, or clips are often used to hold parts together during polymerization. But beware: incorrect pressure can worsen the result.<\/p>\n

<\/h3>\n

Too Much Pressure: Risk of Overflow<\/h3>\n

If you use the right amount of adhesive but apply too much pressure, it can cause the adhesive to overflow. Besides aesthetic issues, this may reduce the adhesive layer to the point of compromising mechanical strength or thermal resistance.<\/p>\n

<\/h3>\n

Not Enough Pressure: Weak Bonding<\/h3>\n

Conversely, insufficient pressure can prevent the adhesive from spreading evenly across the surfaces. The result? A weak joint that can fail under stress or allow air or water to pass through, especially if the adhesive also provides sealing.<\/p>\n

<\/h3>\n

Pressure in Double-Sided Tape Bonding: A Matter of Sensitivity<\/h3>\n

Double-sided tape isn\u2019t magnetic: it needs pressure<\/strong>
We often hear the phrase \u201cthe tape doesn\u2019t stick.\u201d Our first question is always: \u201cDid you press it properly?\u201d That\u2019s because all double-sided tapes are pressure-sensitive adhesives. This means they won\u2019t adhere without pressure. Mere contact is not enough.<\/p>\n

<\/h3>\n

How to Apply Pressure Correctly?<\/h3>\n

As with adhesives, the pressure applied when bonding with double-sided tape must be well calibrated. Generally, clamps aren\u2019t needed\u2014just a roller or your hand. If the tape lies flat with no bubbles or wrinkles, and the liner peels off easily, the pressure is likely correct.<\/p>\n

<\/h3>\n

Measuring the Pressure Applied<\/h3>\n

Want to be sure you\u2019re applying the right pressure? There are press rollers with built-in force thresholds: they only roll if a specific pressure is applied, ensuring effective bonding.<\/p>\n

<\/h3>\n

Excessive Compression: When Thickness Is Misleading<\/h3>\n

For tapes thicker than 0.3 mm, excessive pressure can cause crushing and deformation of the adhesive material. The result? Loss of functional thickness, curling, or uneven adhesion.<\/p>\n

<\/h3>\n

Conclusion: Balancing Pressure Is the Key to Effective Bonding<\/h3>\n

The pressure applied during bonding with double-sided tape or adhesive is critical to the success of the joint. Too much or too little compromises the result. Always follow the technical instructions, and if you\u2019re unsure, consult our experts.<\/p>\n

Don\u2019t proceed blindly: successful bonding starts with the right pressure.<\/p>\n

Also see<\/strong>
Chapter 1<\/a> \u2013 The Substrate<\/p>\n

 <\/p>\n

BMP staff<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

We\u2019re almost there \u2013 we\u2019ve practically covered all the steps that precede the application of double-sided tapes and adhesives. Now it\u2019s time to analyze the final factor: PRESSURE. Chapter 5: Pressure in Double-Sided Tape Bonding \u2013 How Important Is It Really? Introduction: Pressure in Double-Sided Tape BondingWe\u2019ve reached the final, yet crucial, step to achieveContinue reading “Bonding failures Chapter 5”<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":2373,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-categorizzato"],"yoast_head":"\nBonding Pressure: Why It\u2019s Crucial for Effective Adhesive Performa<\/title>\n<meta name=\"description\" content=\"Bonding pressure is key to the performance of double-sided tapes and adhesives. 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