1. How to deal with the sedimentation of main agent?

If the placement time is too long (more than half A month), the packing may settle, such as group A separate bucket, the surface has A layer of colorless transparent silicone oil, if not evenly stirred may have surface color gray, long operation time surface sticky, curing product color gray, curing product brittle, etc. Therefore, before use, the A component should be stirred, especially up and down, and fully mixed.

2. Why part of the glue is solidified and part is not solid?

Mixed glue is not uniform, will cause local curing slow or not curing. Such as: the same deployment out of the glue, the curing time is inconsistent, some faster curing, some to a long time to cure; After curing, there are grooves on the surface of the glue, and the glue in the groove is not cured; Local completely non - solidified phenomenon. Must strengthen the stirring, stirring time in about 2~5min, so that the glue is completely mixed evenly, the use of mixing must pay attention to whether the mixing can drive all the glue.

3. How to do when curing agent becomes yellow?

In order to ensure that LED glue has good adhesion to PC shell, LED lamp tube and PCB circuit board, ammonia coupling agent is generally used to improve adhesion, so placed for about 2 months, curing agent color will turn yellow, does not affect the curing time and product performance.

4. What does condensation product come out of?

Ethanol or propanol.

5. Can it be heated and cured?

Condensation product curing process, there are small molecules, so it is not suitable for heating curing. General products need more than 12 hours to complete curing, during which it is not appropriate to carry out heating aging, otherwise it will be heated to accelerate the volatilization of small molecules, resulting in expansion phenomenon; In addition, the curing temperature shall not exceed 45℃, heating will accelerate the reaction, resulting in a short time to produce a large number of ethanol gas, resulting in a large number of bubbles or pores.