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I am using a Hot Melt type adhesive. Why doesn the glue or coating adhere to the substrate through the machine?

April 26, 2017adhere adhesive Coating glue hot Machine melt Substrate type

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I am using a Hot Melt type adhesive. Why doesn the glue or coating adhere to the substrate through the machine?

1 Answer

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Substrate temperature could be too low. This condition is especially important in steel processing industries. Thermal shock is the result. The hot adhesive will not adhere to the cold substrate, in some cases where the substrate temperature is acceptable adhesive temperature may be too low.