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In this section, you can find answers to some frequently asked questions. If your question is not listed here, please click “Ask a Question.”
FAQ
Adhesives and Sealants
To improve flame retardancy, I need to increase the aluminum hydroxide content in the epoxy structural adhesive. However, when a large amount of aluminum hydroxide is added, the adhesive becomes too v
Application:Adhesives and Sealants
Reply:
Tech-5076 improves the wetting and dispersion of aluminum hydroxide in colloidal systems and significantly reduces the viscosity of the system. It is recommended to add BYK-9076 before adding aluminum hydroxide.
Epoxy adhesives contain mineral fillers with relatively large particle sizes, such as calcium carbonate and aluminum hydroxide. During storage, these fillers settle and form hard lumps at the bottom o
Application:Adhesives and Sealants
Reply:
Our rheological additive, Tech-9010, induces pseudoplastic behavior in colloidal systems, exhibiting high viscosity at low shear rates, which helps prevent filler settling.
I am looking for a defoamer suitable for UV-curable acrylic adhesives; the defoamer should not adversely affect bonding performance.
Application:Adhesives and Sealants
Reply:
Based on our observations, a 0.3% concentration of Tech-498 is highly effective at defoaming UV-curable acrylic adhesives. Tech-498 is a polymer-based defoamer that has no adverse effects on bonding performance.
We are looking for additives to address poor wetting of substrates, such as the poor wetting or pinholes that occur when applying water-based acrylic adhesives to polyester film. Do you have any addit
Application:Adhesives and Sealants
Reply:
The main cause of this problem is the difference in surface tension between your water-based acrylic adhesive and the polyester film. Adding 0.3% Tech-2849N will significantly reduce the adhesive’s surface tension, allowing it to wet the polyester film effectively. Tech-2849N is a modified silicone surfactant; to the best of our knowledge, it has no adverse effects on bonding performance.