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Specification: Made according to customer’s requirement
Product introduction: Sapphire watch glass has the superior characteristics of high hardness, scratching and corrosion resistance, increasing protection of watch, prolonging the service life of watch and can bring customer better touch experience in combination with waterproof membrane technology.
Product Specification: main technical parameters:
a.High temperature test(+85℃)72h
b.Low temperature test(-40℃)72h
c.High temperature and humidity (60℃,95%RH)72h
d.Thermal shock test(-40℃,85℃ each for two hours)10 circulations
e.Steel wool testing (0000#,1kgf load,40cycle/min,40mm) 2000 circulations
Address: No.58, Hengguang Road, Economic and Technological Development Zone,Nanjing, Jiangsu Province
Zip code: 210038
E-mail: xsb@j-crystal.com.cn
Tel: 025-85789211
Fax: 025-85789210