fused quartz substrate 4 3 6 185mm

{"cid":"91202079","title":"185\u00d75\u00d74.2mm Custom Glass Parts Quartz Substrate Strip Low Thermal Expansion","imgUrl":"https:\/\/img.chinax.com\/nimg\/d1\/d0\/8ee52530abec8a4513203ed165f2-200x200-1.jpg","attrs":{"Price":"Negotiable","Model Number":"QT-SS-185x5x4.2","Place of Origin":"China","Material":"High Purity Fused Silica (SiO2 > 99.99%)","Dimensions":"185mm x 5mm x 4.2mm (L x W x T)","Max Operating Temperature":"1100\u00b0C","Surface Finish":"Precision Ground","Thermal Expansion Coefficient":"5.5 x 10^-7 \/\u00b0C","Chemical Resistance":"Hydrofluoric Acid, Strong Acid & Alkali","Dimensional Tolerance":"Tight Precision Control","Application":"Vision Light Base, Optical Spacer, Vacuum Coating Fixture, Lab Sample Carrier"}}