We use the Christmas tree special material that the user is using for the sample. The sampling should ensure that it is absolutely clean and can not be contaminated by any impurities.
2, sample Analysis
2.1, sample performance analysis
Put the sample into the heating of the small two-roller open refining machine, plastic evenly after a certain thickness of the film, then put into the rubber vulcanization machine heating, pressure and maintain a certain time, after cooling out of the sample, according to the relevant standards for physical mechanical properties test.
2.2, Sample color analysis
We put the accumulated color plates as a coloring reference, and the Christmas tree special material to compare the sample, want to find the color of similar color plates, but not. Find some information, and there is no similar color, can only rely on experience to judge the use of quite color. Careful observation of the sample, the results from the green, yellow, black and three colors, mainly green.
Related Industry Knowledge
- How do you handle the Christmas tree?
- Why do you spend Christmas with Chr...
- Design essentials and Precautions f...
- The structure of man-made Christmas...
- Christmas decorations on Christmas Day
- The best in the Christmas tree--sim...
- The decoration of the Christmas tree
- The oldest Christmas tree in the world
- The development foreground of Chris...
- The story about the Christmas tree
- How to assemble Christmas trees?
- Customs and stories about Christmas...