light pencil
1.Usage: it can be widely used in medicine pharmacy, printing, pencil, graphite, grinding wheel tiny powder, ceramics, ink, dyeing, skyrocket, battery, art paint, metallurgy, magnetic materials and light industry packing, etc. usage way: according to different usage, it can be formulated into various density solution.
2.This article illuminates how to use various skills in pencil landscape sketch so as to attain the best painting effect though several aspects such as how to apply the modesty painting language and profound art form, paying attention to the dialectic relationship between frame sketch and cubage sketch, and using the method of light and shade arrangement to represent object thoroughly and abundantly and so on.
3.The results show that the IPN was formed by the cross-linking and en tanglement of UFP and MPA at m(UFP)∶m(MPA)=5∶2 and e xhibited the charac-teristic of both UFP and MPA coatings , i.e., heat resistance and solvent resistance with pencil hardness of 6H , adhesion of 1 gr ade and flexibility(1 mm) after irradiation with ultraviolet light for 7 days.

