1、于色差處理辦法的判別，用一個試驗辦法：將具有色差的兩塊樣品放在清水中，待石材完全吸水之后調查，假設兩塊石材在水中的顏色變成了挨近或者相同，此時只需選用露臉護理劑涂刷顏色較淺的石材即可。

1. For the discrimination of color difference treatment method, a test method is used: put two samples with color difference in clean water, and investigate after the stones fully absorb water. Assuming that the color of the two stones in the water has become close or the same, at this time, just use the exposed face care agent to paint the lighter stones.

2、很多人反應在用露臉護理劑條色差的時分，會呈現顏色發白，甚至呈現顏色消失。事實上，露臉護理劑中的有機硅成分，在石材完全吸收之后，可以保證石材顏色在15年內不會發作太大的改動。

2. Many people react that when using facial care products with color differences, the color may turn white or even disappear. In fact, the organic silicon component in facial care products can ensure that the color of the stone will not undergo significant changes within 15 years after it is fully absorbed by the stone.

有機硅成分的露臉護理劑在運用的時分，需求通過多次的測驗，涂刷露臉護理劑，并非一蹴即至，而是要根據涂刷完之后，石材的色澤改動而抉擇是否繼續涂刷，在每次涂刷等候露臉護理劑完全浸透的情況下，2遍以上，就可以堅持長久的運用作用。

When using silicone based facial care agents, it is necessary to pass multiple tests. Applying facial care agents is not an overnight process, but rather a decision to continue based on the color changes of the stone after application. After each application, wait for the facial care agent to fully saturate, and apply it more than twice to maintain a long-lasting effect.

3、通常情況下顏色均勻的電梯門套光面石材可以選用上色技術，假設是比較深、比較淺的顏色較純的石材，等粒結構比較顯著的花崗石，也可以選用上色技術。而顏色較為雜亂的毛面石材一定要留心運用上色技術。

3. Normally, for elevator door frames with uniform color, coloring technology can be used for the smooth surface stone. Assuming it is a relatively dark and light color of pure stone, or a granite with a prominent equigranular structure, coloring technology can also be used. And for rough stone materials with mixed colors, attention must be paid to the use of coloring techniques.