Adhesive Degasser
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OCA Optically Clear Adhesive Defoaming Machine
Eliminate Bubbles & White Spots for Optically Clear Adhesive · Void-free Full Lamination and High Light Transmittance
High Transparency & Low Void Rate + Clean Non-contact Operation + High Yield for Full Lamination
SIENOX OCA optically clear adhesive defoaming solution addresses bubbles and white spots occurring after full lamination of optically clear adhesives. Defoaming is implemented in a clean vacuum environment to achieve void-free lamination, clear light transmission and reduce rework cost.
✓ CE Certification ✓ ISO9001 Quality System ✓ RoHS Compliance ✓ Custom Voltage Available (110V/220V)
Why OCA Optically Clear Adhesive Defoaming Machine Is Needed
Bubbles in Full LaminationBubbles and white spots after OCA full lamination of mobile phones and tablets directly affect display performance, and rework cost for screen-grade products is extremely high. | High Transparency of Optically Clear AdhesiveOptically clear adhesives are highly sensitive to microbubbles and impurities. Tiny bubbles are clearly visible when the screen is lit, resulting in heavy yield loss. | Touch LaminationLamination of touch screens and cover glass requires uniform and void-free adhesive layers. Bubbles will also impair touch sensitivity and appearance consistency. |
✨ Traditional Dilemma: Even tiny bubbles in optically clear adhesive will lead to full-screen rework. High-cleanliness vacuum defoaming is required to completely remove bubbles before lamination.
Why Choose SIENOX Optically Clear Adhesive Defoaming Solution
Void-free LaminationVacuum removal of microbubbles reduces bubbles and white spots after OCA full lamination for clear and bright display. | Clean Non-contact OperationNo paddles or impurities introduced, keeping adhesive clean and preventing white spots and contamination. | Yield ImprovementAdequate defoaming cuts screen rework rate and delivers more stable yield for optical lamination. |
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Equipment Supporting Description
SIENOX AB adhesive defoaming solution can be matched with other equipment to build a complete potting process chain: Integrated Mixing & Defoaming: MIX series mixers blend AB adhesives and perform synchronous defoaming under vacuum, accomplishing mixing and bubble removal within one single process. Temperature-controlled Defoaming: WK series temperature-controlled defoamers work at preset temperatures. It is suitable for high-viscosity AB adhesives, which can be heated to lower viscosity for higher defoaming efficiency. Defoaming & Dispensing Linkage: Directly connect to SIE-301/302/303 dispensers for potting after defoaming to avoid new bubbles generated during material transfer. Pressurized Fine Defoaming: For applications requiring superior defoaming rate, transfer materials to RX pressurized defoamer for secondary fine defoaming after vacuum mixing to achieve better bubble removal performance. | ![]() |
Specifications & Parameters
Selection Guide
| Optically Clear Adhesive Application | Typical State | Recommended Defoaming Method | Recommended Equipment |
| R&D Sampling | Small volume adhesive | Vacuum Defoaming | ZK Series |
| OCA Optically Clear Adhesive | Transparent & High Viscosity | Vacuum Defoaming | ZK Series / MIX60 |
| Liquid Optically Clear Adhesive (LOCA) | Low-viscosity Transparent | Vacuum Defoaming | MIX60 |
| Mass Lamination Production | Mass Volume | Vacuum Mixing & Defoaming | MIX1000plus |
Our Partners
Trusted by leading industrial manufacturing clusters and advanced university laboratories worldwide
FAQ - Frequently Asked Questions
Answers to common questions about product performance and everyday process selection
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What is the working principle of a centrifugal defoaming machine?
Principle of centrifugal defoaming machine: The bubbles are released by the downward principle of gravity.
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How is the after-sales service?
The company has professional after-sales service personnel, 24-hour dedicated service, and one-on-one technical support to solve your worries.
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Why choose SIENOX?
There are many reasons for choosing SIENOX, and the following are some of the main reasons:
1. Professionalism: Our team consists of a group of professional individuals with rich experience and knowledge in their respective fields. We not only understand industry trends and best practices, but also provide practical and feasible solutions.
2. Service quality: We focus on customer needs and satisfaction, and are always committed to providing high-quality services. We not only respond quickly to customer needs, but also provide customized services according to their requirements.
3. Reliability: We adhere to the principles of integrity and professionalism, always adhering to commitments and agreements. Our work methods and deliverables comply with industry standards and best practices, enabling our clients to trust us.
4. Innovation: We continuously explore new methods and tools to provide better services and meet customer needs. We encourage innovation and experimentation, and are willing to accept challenges and change.
5. Cost effectiveness: We provide cost-effective services that not only help customers save costs, but also improve efficiency and productivity. We always prioritize the interests of our customers and provide them with the best solutions.
6. Teamwork: We believe in the power and value of teamwork, and our team members support, collaborate, and respect each other. We establish close cooperative relationships with customers, partners, and other stakeholders to achieve common goals.
The above are just some of the reasons for choosing us. We believe there are many other advantages and values that can be provided to customers. If you are looking for a professional, reliable, and high-quality service provider, we look forward to working with you.
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How does the stirring and defoaming machine work?
The SIENOX stirring and defoaming machine performs defoaming through centrifugal force at revolution and stirring through shear force formed by revolution and rotation,
Assisted by a vacuum pump to extract gas and achieve a vacuum state, removing nanoscale tiny bubbles. No contact with materials, no secondary pollution, and no secondary waste.
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What is the function of a defoaming machine?
A defoaming machine is a device used to remove bubbles from liquids. Its function is to assist in the liquid mixing, reaction, coating, printing, infusion and other process steps in the production process, avoiding the generation of bubbles and their impact on the final product. In many industrial and laboratory environments, removing bubbles is essential as they may have a negative impact on product quality, such as affecting surface tension and stability. Defoaming machines typically use various techniques such as vibration, ultrasound, centrifugation, etc. to achieve effective bubble removal. It has a wide range of applications, including but not limited to semiconductors, solar energy, optics, biotechnology, materials science, etc.
Technical Specification List
Full‑line standardized specifications for accurate process evaluation and equipment selection
| Optically Clear Adhesive Application | Typical State | Recommended Defoaming Method | Recommended Equipment |
| R&D Sampling | Small volume adhesive | Vacuum Defoaming | ZK Series |
| OCA Optically Clear Adhesive | Transparent & High Viscosity | Vacuum Defoaming | ZK Series / MIX60 |
| Liquid Optically Clear Adhesive (LOCA) | Low-viscosity Transparent | Vacuum Defoaming | MIX60 |
| Mass Lamination Production | Large batch | Vacuum Mixing & Defoaming | MIX1000plus |
Multi‑Industry Solutions
Covering stirring and debubbling applications of typical materials across six major industries
Mobile Phone LaminationFull lamination of mobile phone cover glass |
Tablet LaminationScreen lamination for tablets and laptops |
Touch ScreenLamination of touch screens and cover glass |
Automotive Display ScreensLamination for automotive displays |
Display ModulesLamination for LCD / OLED modules |
Optical Adhesive ManufacturersR&D and filling of OCA / LOCA |
Full-range Equipment Operation Demo Videos
Measured Defoaming‑Process Performance
Measured Processing Results for Six Typical Materials
Paste Materials |
Adhesives & Powders |
Polymer Materials |
Pharmaceutical Gels |
Silver Paste Materials |
Battery Slurries |
Precautions for Use
| Precautions | Operating Instructions |
| Clean Environment | Perform defoaming and material transfer in a clean environment to avoid white spots and impurities caused by dust. |
| Light-shielded Operation | Keep UV curable optically clear adhesive away from light to prevent premature curing. |
| Slow Pressure Relief | Release pressure slowly after defoaming to prevent re-foaming and hazing of optically clear adhesive. |
| Timely Lamination | Complete lamination promptly after defoaming to avoid re-entrapment of air bubbles. |
* Internal laboratory test data. Actual results depend on optically clear adhesive formulation and lamination process. Contact sales for real customer cases.
Customer Delivery & Application Cases
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