Sapphire Watch Mirror

The sapphire crystal has high purity, good transparency, brilliance, strong hardness, and is not easy to wear.The sapphire used for the top mirror of the watch is actually colorless and transparent and is called colorless corundum. Its light transmittance is very high, because it is used to make watch mirrors, people continue to use the sapphire name, and they are used to calling it sapphire crystals.

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Product Details

Sapphire is made by grinding high-purity alumina into a very fine white powder, and adding oxidized metal. In a high-temperature furnace of 2050 degrees, the sapphire crystal is gradually synthesized. The aluminum oxide forms a body to form a six-sided sapphire block. After this process, the sapphire is extremely hard and stable in quality. The sapphire crystal block is cut into slices with a diamond cutter, and then through multiple processes, the crystal is made into flat, curved, arched, spherical and other watch mirrors suitable for the special needs of various watch appearances. The sapphire crystal has high purity, good transparency, brilliance, strong hardness, and is not easy to wear. However, when using a watch with a sapphire crystal, attention should be paid to avoid strong impact, so as not to cause damage to the sapphire crystal.

Test subjectTest itemTest purposeTesting equipment
Sapphire lens monomerSteel ball drop testImpact resistance of sapphireDrop impact tester
Static  testSapphire strength testHydrostatic testing machine
Jostle and trySapphire strength testHydrostatic testing machine
Four point bending testSapphire strength testHigh precision electronic universal extrusion testing machine
Pencil hardness testHardness test of sapphireElectric pencil hardness tester
Sapphire Products performancee testingSapphire single crystal test1.X-ray diffractometer
2.Fourler transform infrared spectrometer
Silk-screen printingRegular baigeTest ink adhesion test-
Boiled BaigeTest ink adhesion testPrecision constant temperature water bath box
Surface tension testTest ink adhesion test-
PetalWater drop angle testTest the stability of the  coating High precision automatic water drop angle measuring instrument
Friction test of steel woolTest the stability of the  coating High precision abrasion tester
Alcohol friction testTest the stability of the  coating High precision abrasion tester
Transmittance testTest the transmittance after coatingShimadzu 2600 spectrophotometer
Finished  productChemicals resistanceStability of finished products in extreme environmentHumidity chamber
Cosmetic resistance testStability of finished products in extreme environmentHumidity chamber
Hand sweat resistance testStability of finished products in extreme environmentHumidity chamber
Alternating damp heatStability of finished products in extreme environmentHigh and low temperature impact test chamber
Temperature Shock  ResistanceStability of finished products in extreme environmentHigh and low temperature impact test chamber

Sapphire Watch Mirror



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