What should be avoided when mixing sealants?

Master the Aerospace Materials, Processes and Hardware Test. Practice with questions and answers, flashcards, and explanations. Prepare thoroughly for your certification exam!

When mixing sealants, it is important to avoid stirring air into the mixture because introducing air can create bubbles, which negatively affect the performance and adherence of the sealant once it is applied. Bubbles trapped within the sealant can lead to weak points, reduced bonding strength, and could even compromise the overall integrity of the seal. Ensuring a smooth and consistent mixture without air inclusions allows for better application and curing characteristics.

In contrast, using clean and dust-free containers is crucial for maintaining the quality of the mixture, as contaminants can alter the properties of the sealant. Following the manufacturer's instructions is essential to ensure the correct mixing ratios, curing times, and application conditions are adhered to for optimal results. Working in well-ventilated areas is also important for safety and performance, as many sealants release volatile compounds during mixing and curing.

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