General instrument > 제품별 분류 > Watch Glass > 제품상세정보
석영 시계접시 / Quartz Watch-glass   
� Made in PRC
� Thermal Expansion Coefficient 5.5 10-7 k-1
�High Transparent Quartz has Excellent Transmission, Especially Ultrared Zone and Vislble Area, Compare with Ordinary Glass
� max 1250℃in use, without Graduation, Softening Point 1680℃
 
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