FURNACE TUBES

1. High-purity fused quartz glass composition, crystal clear water-white appearance 2. Extremely heat resistant & thermal shock resistance,low coefficient of thermal expansion,operating temperature up to 1200 °C 3. High transparency from ultraviolet to infrared spectral range, high radiation resistance 4. High electrical insulation resistance 5. Good machinability & tight tolerances, Diameter tolerance ±0.25mm，Length tolerance±0.5mm 6. Outstanding chemical strength,high chemical purity and Chemically inert provid good resistance Water resistance according to DIN 12111 (ISO 719): Hydrolysis class 1 Acid resistance according to DIN 12116: Acid class 1 Alkali resistance according to DIN 52322:Alkali class 1 Bending tensile strength:≥ 67 N/mm² / 9718 psi