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In today’s era we know many suppliers of sealant who produce wide range of adhesives & tapes in the market. Making a list of all good quality adhesives and eliminating the lower quality adhesives from the list is the best process to narrow in on the appropriate product. The following steps are the best to find out the best adhesives: Check the Certifications First of all check the certifications and qualifications such as MilSpecs, Commercial Standards, NSF or WRAS, DVGW and biocompatibility for a medical device. Choose the right type of Adhesives Before buying the adhesive you must choose the right technology for application. • Anaerobics adhesives are used to lock bolts into nuts • Cyanoacrylate adhesives are best on rubber or plastic but poor on glass • Toughened acrylics works well on many types of surfaces • Epoxy adhesive offers great strength on metals but poor on plastics • Polyurethanes are useful for bonding GRP and glass fiber plastics • Silicone adhesive are flexible and resistant to high temperatures. These products are very useful for bathtub repairs and shower • Phenolic are excellent in bonding metals to wood • Polyimides are useful to durability under extreme temperatures • PVAs are brilliant for wood, paper, packing and shipping Application requirements You should make sure that what are exactly the application requirements for the process. • Surfaces • Substrate • Joint Design • Gap & Strength • Temperature • Environmental Resistance Process requirements How fast is the process? Will UV light pass through one the substrates? What quantity of adhesive is required? Is the parts temperature sensitive? How the gap should be filled? Make sure that you review all the requirements before initiating the process. In the end, TEST the adhesive before applying to the components. It’s always good to test the adhesive quality before your job is done badly.
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