Achieving A Quality Sealed Product Through Leak Testing

For an industry that produces sealed products, leak tests form a very important aspect of quality checking of the device. It is so because any crack could result in the impregnation of moisture or any other trace gases inside it. This could result in corrosion, fogging and can ultimately reduce the life of the device or the product as a whole. If you are a quality product manufacturer then it’s an issue of concern as it could affect the reputation of your brand.So you can see that leak testing is quite essential and need to be done on hermetic devices before they are launched in the market. For such testing there are many techniques available nowadays. Let us discuss some of the popular ones among them.• Dye Impregnation- Here a fluorescent dye is used to check defects. Here such dyes are impregnated over the hermetically sealed device and then checked for any problems in the packaged seal. The advantage with this method is that it eliminates the problem of misinterpretation that usually occurs when fragile materials are cross-sectioned.• Krypton 85 Testing- This type of testing technique is employed for checking fine and gross leaks in sensitive sealed devices. Here the radioactive element Kr-85 is used as a tracer gas and is mixed with air. This composition is made to pressurize the glass cubicle in which the device is kept. If there are any cracks this gas would enter that space. The presence of Krypton can be easily checked by using x ray crystals. This method has been a very popular among analysts as it has the fastest test times and can even detect small or untraceable gases easily. Moreover Krypton is safe for human use also. It is so because it doesn’t get absorbed by the skin in our body and has reduced emitting rates if compared to other radioactive material.• Helium Testing- This test method is quite similar to the Krypton-85 method. The difference lies in the tracer gas used as it employs helium here. It can be done to analyze both fine and gross leaks.These testing methodologies gives the desired results but which method suits you depend upon the product you manufacture. If you are dealing with similar items and you require such testing services then you can consult the provider as to which technique would suit you. To find such leak detection test providers you can use the internet. Before making the final choice regarding the provider do research whether the company has a professional experience in this field or not.