How to distinguish perm quality good or bad?

Posted by JMbuttons on June 2nd, 2018

The quality of hot drill should be seen from the following three aspects

See color: good hot drill color uniformity, no impurities, glittering and translucent immaculate, color has the clear feeling. Bubbles are also very hot drilling and surface gloss of an important factor that hot drilling bubbles are often produced during the processing of glass, if vacuum method do not good, the bubble will not eliminate in the rest of the link, to produce hot drilling, will have a lot of bubbles, the quality is affected.

See hot drilling bottom glue: whether the bottom glue of hot drilling is even determines the quality of the bottom glue. The uniformity is mainly to see whether the bottom glue has black spots and cannot appear dark color, so the uniform color of the bottom glue will be regarded as a good quality drilling adhesive. The heating temperature of the bottom glue is usually 135-180 degrees, and the glue of the domestic hot drill is usually about 140 degrees, while the good imported hot drill needs to reach more than 165 degrees to get a good pressing effect. However, these must be through the actual hot after pressure can only be witness, that is, the best way is to put rhinestones on the dress, with a hot machine after use, the most put the clothes into the washing machine, after a fierce after washing, the stand or fall of hot glue at the bottom of the drill, be clear at a glance.

See the defective rate: the hot drilling process requirements are strict, the process is complex, the product rate is not very high, the defective rate of 3% to 5% of the diamond should be regarded as a good product. South Korean drill and good domestic drilling and defect rate can be controlled within 3%, hot hot drilling to Austria and the Czech drilling, in brightness, quality, etc, defective rate is only 0.1% to 0.2%, but the price is high, suitable for watches, belts, leather bags, etc for diamond requires less number of high-end products.

The popular hot drill mainly includes audrian swarovski, Czech diamond boresha, Korean DMC, Middle East hot drill yhonbao YHB and so on.