- Quartz - Fused
- SiO2
- 14808-60-7
-
제품 상세설명 Catalogue number Formular Purity Size Description Estimate 720-613-54 SiO2 Thickness: 0.25mm Size: 25x25 mm Condition: Polished both sides 견적문의 467-515-97 SiO2 Thickness: 0.25mm Size: 50x50 mm Condition: Polished both sides 견적문의 163-180-87 SiO2 Thickness: 0.50mm Size: 10x10 mm Condition: Polished both sides 견적문의 549-100-09 SiO2 Thickness: 1.0mm Size: 20x20 mm Condition: Polished both sides 견적문의 736-269-58 SiO2 Thickness: 1.0mm Size: 25x25 mm Condition: Polished both sides 견적문의 033-688-19 SiO2 Thickness: 1.0mm Size: 50x50 mm Condition: Polished both sides 견적문의 211-022-97 SiO2 Thickness: 1.0mm Size: 150x150 mm Condition: Polished both sides 견적문의 377-868-43 SiO2 Thickness: 2.0mm Size: 25x25 mm Condition: Polished both sides 견적문의 233-561-00 SiO2 Thickness: 2.0mm Size: 50x50 mm Condition: Polished both sides 견적문의 581-408-51 SiO2 Thickness: 2.0mm Diameter: 23 mm Condition: Polished both sides 견적문의 195-126-37 SiO2 Thickness: 3.0mm Size: 25x25 mm Condition: Polished both sides 견적문의 390-798-84 SiO2 Thickness: 3.0mm Size: 50x50 mm Condition: Polished both sides 견적문의 968-694-24 SiO2 Thickness: 3.0mm Size: 150x150 mm Condition: Polished both sides 견적문의 960-264-18 SiO2 Thickness: 3.0mm Size: 50x50 mm Condition: Ground 견적문의 721-695-33 SiO2 Thickness: 3.0mm Size: 34x89 mm Condition: Polished both sides 견적문의 849-859-92 SiO2 Thickness: 2.0mm Size: 150x150 mm Condition: Translucent 견적문의 232-496-39 SiO2 Thickness: 2.0mm Size: 150x150 mm Condition: Polished both sides 견적문의 811-576-31 SiO2 Thickness: 2.5mm Size: 150x150 mm Condition: Polished both sides 견적문의 062-044-17 SiO2 Thickness: 6.0mm Diameter: 25 mm Condition: Polished both sides 견적문의 831-930-37 SiO2 Thickness: 6.35mm Diameter: 63.5 mm Condition: Polished both sides 견적문의 836-862-92 SiO2 Thickness: 16.0mm Diameter: 7.95 mm Condition: Polished both sides 견적문의 -
제품 상세설명 Catalogue number Formular Purity Size Description Estimate 755-517-00 SiO2 Max. Particle size: 45micron 견적문의 439-629-36 SiO2 Max. Particle size: 45micron 견적문의 953-672-80 SiO2 Max. Particle size: 45micron 견적문의 209-111-48 SiO2 Max. Particle size: 45micron 견적문의 138-928-34 SiO2 Max. Particle size: 45micron 견적문의 LT34233 SiO2 99.9% - 325 mesh (16 mic aps) approx Amorphous 견적문의 LT22502 SiO2 99.9% - 325 mesh (7.25 mic aps) approx 견적문의 LT20077 SiO2 99.99% - 400 mesh (7 mic aps) Crystalline 견적문의 LT22310 SiO2 99.99% - 625 mesh (2.43 mic aps) Crystalline 견적문의 -
제품 상세설명 Catalogue number Formular Purity Size Description Estimate 573-212-77 SiO2 99.995% Nominal Granule Size: 3mm 견적문의 754-689-76 SiO2 99.995% Nominal Granule Size: 3mm 견적문의 477-096-81 SiO2 99.995% Nominal Granule Size: 3mm 견적문의 808-879-11 SiO2 99.995% Nominal Granule Size: 3mm 견적문의 323-019-97 SiO2 Nominal Granule Size: 0.85-1.7mm 견적문의 134-184-12 SiO2 Nominal Granule Size: 0.85-1.7mm 견적문의 195-720-71 SiO2 Nominal Granule Size: 0.85-1.7mm 견적문의 607-750-05 SiO2 Nominal Granule Size: 1 to 2mm 견적문의 188-083-08 SiO2 Nominal Granule Size: 1 to 2mm 견적문의 400-749-15 SiO2 Nominal Granule Size: 1 to 2mm 견적문의 416-448-74 SiO2 Nominal Granule Size: 2 to 3mm 견적문의 322-443-86 SiO2 Nominal Granule Size: 2 to 3mm 견적문의 519-143-25 SiO2 Nominal Granule Size: 2 to 3mm 견적문의 746-598-87 SiO2 Nominal Granule Size: 2 to 4mm 견적문의 909-559-85 SiO2 Nominal Granule Size: 2 to 4mm 견적문의 323-066-00 SiO2 Nominal Granule Size: 2 to 4mm 견적문의 LT25566 SiO2 99.99% 1 mm - 4 mm Crystalline 견적문의 LT33698 SiO2 99.99% 3 mm - 6 mm Crystalline 견적문의 LT31312 SiO2 99.99% 6 mm - 12 mm Amorphous 견적문의 LT20079 SiO2 99.995% 3 mm - 12 mm Fused, , Vac. melted 견적문의 LT20076 SiO2 99.999% 1 mm - 4 mm Crystalline 견적문의 LT31091 SiO2 99.999% 3 mm - 6 mm Crystalline 견적문의 -
제품 상세설명 Catalogue number Formular Purity Size Description Estimate 648-398-31 SiO2 Diameter: 0.35mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 975-660-03 SiO2 Diameter: 0.35mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 324-743-92 SiO2 Diameter: 0.35mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 172-145-99 SiO2 Diameter: 0.80mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 847-836-40 SiO2 Diameter: 0.80mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 824-729-24 SiO2 Diameter: 0.80mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 340-567-50 SiO2 Diameter: 1.25mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 525-884-91 SiO2 Diameter: 1.25mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 014-842-65 SiO2 Diameter: 1.25mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 070-921-65 SiO2 Diameter: 1.50mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 090-903-78 SiO2 Diameter: 1.50mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 844-843-01 SiO2 Diameter: 1.50mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 497-861-38 SiO2 Diameter: 3.0mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 939-201-48 SiO2 Diameter: 3.0mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 865-570-67 SiO2 Diameter: 3.0mm Tolerance: ¡¾2.5§ Sphericity: 0.625§ Condition: Polished Grade: Precision Sphere 견적문의 -
제품 상세설명 Catalogue number Formular Purity Size Description Estimate 911-782-97 SiO2 Outside Diameter: 0.7mm Length: 100 mm Wall Thickness: 0.1mm ID: 0.5mm 견적문의 586-079-50 SiO2 Outside Diameter: 1.0mm Length: 60 mm Wall Thickness: 0.25mm ID: 0.5mm 견적문의 246-881-43 SiO2 Outside Diameter: 1.0mm Length: 100 mm Wall Thickness: 0.1mm ID: 0.8mm 견적문의 252-148-68 SiO2 Outside Diameter: 1.0mm Length: 200 mm Wall Thickness: 0.1mm ID: 0.8mm 견적문의 194-637-66 SiO2 Outside Diameter: 2.9mm Length: 100 mm Wall Thickness: 0.75mm ID: 1.4mm 견적문의 901-617-82 SiO2 Outside Diameter: 2.9mm Length: 200 mm Wall Thickness: 0.75mm ID: 1.4mm 견적문의 366-209-51 SiO2 Outside Diameter: 2.9mm Length: 500 mm Wall Thickness: 0.75mm ID: 1.4mm 견적문의 686-166-70 SiO2 Outside Diameter: 2.9mm Length: 1000 mm Wall Thickness: 0.75mm ID: 1.4mm 견적문의 136-558-53 SiO2 Outside Diameter: 3.0mm Length: 200 mm Wall Thickness: 0.9mm ID: 1.2mm 견적문의 086-066-62 SiO2 Outside Diameter: 3.0mm Length: 300 mm Wall Thickness: 0.9mm ID: 1.2mm 견적문의 366-049-64 SiO2 Outside Diameter: 4.0mm Length: 100 mm Wall Thickness: 1.0mm ID: 2mm 견적문의 756-200-44 SiO2 Outside Diameter: 4.0mm Length: 200 mm Wall Thickness: 1.0mm ID: 2mm 견적문의 525-057-71 SiO2 Outside Diameter: 4.0mm Length: 500 mm Wall Thickness: 1.0mm ID: 2mm 견적문의 632-216-22 SiO2 Outside Diameter: 4.0mm Length: 1000 mm Wall Thickness: 1.0mm ID: 2mm 견적문의 027-032-37 SiO2 Outside Diameter: 5.0mm Length: 100 mm Wall Thickness: 1.0mm ID: 3mm 견적문의 379-046-54 SiO2 Outside Diameter: 5.0mm Length: 200 mm Wall Thickness: 1.0mm ID: 3mm 견적문의 380-814-26 SiO2 Outside Diameter: 5.0mm Length: 500 mm Wall Thickness: 1.0mm ID: 3mm 견적문의 601-783-50 SiO2 Outside Diameter: 5.0mm Length: 1000 mm Wall Thickness: 1.0mm ID: 3mm 견적문의 645-977-53 SiO2 Outside Diameter: 6.0mm Length: 100 mm Wall Thickness: 1.0mm ID: 4mm 견적문의 774-268-26 SiO2 Outside Diameter: 6.0mm Length: 185 mm Wall Thickness: 1.0mm ID: 4mm 견적문의 742-943-54 SiO2 Outside Diameter: 6.0mm Length: 200 mm Wall Thickness: 1.0mm ID: 4mm 견적문의 231-624-42 SiO2 Outside Diameter: 7.0mm Length: 100 mm Wall Thickness: 1.0mm ID: 5mm 견적문의 953-057-09 SiO2 Outside Diameter: 7.0mm Length: 200 mm Wall Thickness: 1.0mm ID: 5mm 견적문의 132-132-02 SiO2 Outside Diameter: 7.0mm Length: 500 mm Wall Thickness: 1.0mm ID: 5mm 견적문의 516-504-78 SiO2 Outside Diameter: 7.0mm Length: 1000 mm Wall Thickness: 1.0mm ID: 5mm 견적문의 563-087-87 SiO2 Outside Diameter: 9.0mm Length: 100 mm Wall Thickness: 1.0mm ID: 7mm 견적문의 385-984-18 SiO2 Outside Diameter: 9.0mm Length: 200 mm Wall Thickness: 1.0mm ID: 7mm 견적문의 248-017-02 SiO2 Outside Diameter: 9.0mm Length: 500 mm Wall Thickness: 1.0mm ID: 7mm 견적문의 002-130-39 SiO2 Outside Diameter: 9.0mm Length: 1000 mm Wall Thickness: 1.0mm ID: 7mm 견적문의 266-298-69 SiO2 Outside Diameter: 12.0mm Length: 100 mm Wall Thickness: 1.0mm ID: 10mm 견적문의 287-327-43 SiO2 Outside Diameter: 12.0mm Length: 200 mm Wall Thickness: 1.0mm ID: 10mm 견적문의 915-936-70 SiO2 Outside Diameter: 12.0mm Length: 500 mm Wall Thickness: 1.0mm ID: 10mm 견적문의 492-089-80 SiO2 Outside Diameter: 12.0mm Length: 1000 mm Wall Thickness: 1.0mm ID: 10mm 견적문의 763-111-32 SiO2 Outside Diameter: 14mm Length: 100 mm Wall Thickness: 1.0mm ID: 12mm 견적문의 961-602-60 SiO2 Outside Diameter: 14mm Length: 200 mm Wall Thickness: 1.0mm ID: 12mm 견적문의 854-189-72 SiO2 Outside Diameter: 14mm Length: 500 mm Wall Thickness: 1.0mm ID: 12mm 견적문의 814-111-17 SiO2 Outside Diameter: 14mm Length: 1000 mm Wall Thickness: 1.0mm ID: 12mm 견적문의 937-119-88 SiO2 Outside Diameter: 18.0mm Length: 195 mm Wall Thickness: 1.3mm ID: 15.4mm 견적문의 903-264-59 SiO2 Outside Diameter: 18.0mm Length: 200 mm Wall Thickness: 1.3mm ID: 15.4mm 견적문의 349-207-38 SiO2 Outside Diameter: 18.0mm Length: 100 mm Wall Thickness: 1.6mm ID: 14.8mm 견적문의 146-442-45 SiO2 Outside Diameter: 18.0mm Length: 200 mm Wall Thickness: 1.6mm ID: 14.8mm 견적문의 453-196-19 SiO2 Outside Diameter: 18.0mm Length: 500 mm Wall Thickness: 1.6mm ID: 14.8mm 견적문의 276-853-56 SiO2 Outside Diameter: 18.0mm Length: 1000 mm Wall Thickness: 1.6mm ID: 14.8mm 견적문의 543-133-32 SiO2 Outside Diameter: 23.0mm Length: 100 mm Wall Thickness: 1.5mm ID: 20mm 견적문의 891-664-15 SiO2 Outside Diameter: 23.0mm Length: 200 mm Wall Thickness: 1.5mm ID: 20mm 견적문의 458-020-09 SiO2 Outside Diameter: 23.0mm Length: 500 mm Wall Thickness: 1.5mm ID: 20mm 견적문의 252-504-53 SiO2 Outside Diameter: 23.0mm Length: 1000 mm Wall Thickness: 1.5mm ID: 20mm 견적문의 561-205-54 SiO2 Outside Diameter: 25mm Length: 100 mm Wall Thickness: 1.5mm ID: 22mm 견적문의 240-798-55 SiO2 Outside Diameter: 25mm Length: 200 mm Wall Thickness: 1.5mm ID: 22mm 견적문의 398-845-30 SiO2 Outside Diameter: 25mm Length: 450 mm Wall Thickness: 1.5mm ID: 22mm 견적문의 708-981-70 SiO2 Outside Diameter: 25mm Length: 900 mm Wall Thickness: 1.5mm ID: 22mm 견적문의 748-413-29 SiO2 Outside Diameter: 28mm Length: 100 mm Wall Thickness: 1.5mm ID: 25mm 견적문의 886-028-02 SiO2 Outside Diameter: 28mm Length: 200 mm Wall Thickness: 1.5mm ID: 25mm 견적문의 699-196-66 SiO2 Outside Diameter: 28mm Length: 450 mm Wall Thickness: 1.5mm ID: 25mm 견적문의 827-555-57 SiO2 Outside Diameter: 28mm Length: 900 mm Wall Thickness: 1.5mm ID: 25mm 견적문의 014-888-76 SiO2 Outside Diameter: 40mm Length: 100 mm Wall Thickness: 2mm ID: 36mm 견적문의 446-071-91 SiO2 Outside Diameter: 40mm Length: 200 mm Wall Thickness: 2mm ID: 36mm 견적문의 513-892-64 SiO2 Outside Diameter: 40mm Length: 500 mm Wall Thickness: 2mm ID: 36mm 견적문의 912-144-23 SiO2 Outside Diameter: 40mm Length: 1000 mm Wall Thickness: 2mm ID: 36mm 견적문의 -
제품 상세설명 Catalogue number Formular Purity Size Description Estimate 219-708-18 SiO2 Diameter: 0.5mm Length: 50 mm 견적문의 563-069-65 SiO2 Diameter: 1.0mm Length: 100 mm 견적문의 383-704-27 SiO2 Diameter: 1.0mm Length: 200 mm 견적문의 963-032-36 SiO2 Diameter: 1.0mm Length: 500 mm 견적문의 379-046-10 SiO2 Diameter: 1.0mm Length: 1000 mm 견적문의 380-769-58 SiO2 Diameter: 2.0mm Length: 100 mm 견적문의 596-195-61 SiO2 Diameter: 2.0mm Length: 200 mm 견적문의 524-453-36 SiO2 Diameter: 2.0mm Length: 500 mm 견적문의 556-667-38 SiO2 Diameter: 2.0mm Length: 1000 mm 견적문의 180-041-71 SiO2 Diameter: 2.5mm Length: 400 mm 견적문의 583-422-59 SiO2 Diameter: 3.0mm Length: 100 mm 견적문의 927-823-90 SiO2 Diameter: 3.0mm Length: 200 mm 견적문의 977-988-75 SiO2 Diameter: 3.0mm Length: 500 mm 견적문의 915-254-95 SiO2 Diameter: 3.0mm Length: 1000 mm 견적문의 248-590-31 SiO2 Diameter: 5.0mm Length: 100 mm 견적문의 073-790-06 SiO2 Diameter: 5.0mm Length: 200 mm 견적문의 223-758-07 SiO2 Diameter: 5.0mm Length: 500 mm 견적문의 969-759-38 SiO2 Diameter: 5.0mm Length: 1000 mm 견적문의 219-918-55 SiO2 Diameter: 10.0mm Length: 100 mm 견적문의 489-822-81 SiO2 Diameter: 10.0mm Length: 200 mm 견적문의 227-850-71 SiO2 Diameter: 10.0mm Length: 500 mm 견적문의 481-345-94 SiO2 Diameter: 10.0mm Length: 1000 mm 견적문의 367-740-63 SiO2 Diameter: 12.0mm Length: 100 mm 견적문의 744-738-69 SiO2 Diameter: 12.0mm Length: 200 mm 견적문의 881-317-19 SiO2 Diameter: 12.0mm Length: 500 mm 견적문의 070-019-96 SiO2 Diameter: 12.0mm Length: 1000 mm 견적문의 168-244-27 SiO2 Diameter: 15.0mm Length: 100 mm 견적문의 030-527-85 SiO2 Diameter: 15.0mm Length: 200 mm 견적문의 815-978-31 SiO2 Diameter: 15.0mm Length: 500 mm 견적문의 997-288-81 SiO2 Diameter: 15.0mm Length: 1000 mm 견적문의 801-980-62 SiO2 Diameter: 20.0mm Length: 100 mm 견적문의 074-475-41 SiO2 Diameter: 20.0mm Length: 200 mm 견적문의 893-909-64 SiO2 Diameter: 20.0mm Length: 500 mm 견적문의 846-577-07 SiO2 Diameter: 20.0mm Length: 1000 mm 견적문의 -
제품 상세설명 Catalogue number Formular Purity Size Description Estimate 331-757-51 SiO2 Shape: Classic OD: 28mm ID: 30mm Capacity: 10 Color: Clear 견적문의 928-131-48 SiO2 Shape: Classic OD: 28mm ID: 30mm Capacity: 10 Color: Clear 견적문의 211-527-86 SiO2 Shape: Classic OD: 33mm ID: 35mm Capacity: 15 Color: Clear 견적문의 347-550-71 SiO2 Shape: Classic OD: 33mm ID: 35mm Capacity: 15 Color: Clear 견적문의 159-552-52 SiO2 Shape: Classic OD: 36mm ID: 38mm Capacity: 20 Color: Clear 견적문의 763-198-82 SiO2 Shape: Classic OD: 36mm ID: 38mm Capacity: 20 Color: Clear 견적문의 478-952-27 SiO2 Shape: Classic OD: 43mm ID: 38mm Capacity: 30 Color: Clear 견적문의 988-827-35 SiO2 Shape: Classic OD: 43mm ID: 38mm Capacity: 30 Color: Clear 견적문의 964-046-10 SiO2 Shape: Classic OD: 51mm ID: 51mm Capacity: 50 Color: Clear 견적문의 191-369-10 SiO2 Shape: Classic OD: 51mm ID: 51mm Capacity: 50 Color: Clear 견적문의 858-041-39 SiO2 Shape: Classic OD: 62mm ID: 66mm Capacity: 100 Color: Clear 견적문의 675-069-81 SiO2 Shape: Classic OD: 62mm ID: 66mm Capacity: 100 Color: Clear 견적문의 830-548-42 SiO2 Shape: Classic OD: 79mm ID: 82mm Capacity: 150 Color: Clear 견적문의 694-825-04 SiO2 Shape: Classic OD: 79mm ID: 82mm Capacity: 150 Color: Clear 견적문의 -
제품 상세설명 Catalogue number Formular Purity Size Description Estimate LT20078 SiO2 99.995% 10 mm dia x 10 mm th. Pressure sintered 견적문의 -
제품 상세설명 Catalogue number Formular Purity Size Description Estimate LT28463 SiO2 99.99% 14 inch OD x 8.01 inch ID x 0.250 inch th. 견적문의 -
제품 상세설명 Catalogue number Formular Purity Size Description Estimate LT21821 SiO2 99.99% 2 inch dia x 0.125 inch th vac. melted 견적문의 LT21822 SiO2 99.99% 2 inch dia x 0.25 inch th. vac. melted 견적문의 LT21823 SiO2 99.99% 3 inch dia x 0.125 inch th vac. melted 견적문의 LT21824 SiO2 99.99% 3 inch dia x 0.25 inch th. vac. melted 견적문의 LT21825 SiO2 99.99% 4 inch dia x 0.125 inch th vac. melted 견적문의 LT21826 SiO2 99.99% 4 inch dia x 0.25 inch th. vac. melted 견적문의 LT21827 SiO2 99.99% 6 inch dia x 0.125 inch th vac. melted 견적문의 LT21828 SiO2 99.99% 6 inch dia x 0.25 inch th. vac. melted, RD~99% 견적문의 LT21829 SiO2 99.99% 8 inch dia x 0.125 inch th vac. melted 견적문의 LT21830 SiO2 99.99% 8 inch dia x 0.25 inch th. vac. melted 견적문의 LT21839 SiO2 99.995% 8 inch dia x 0.125 inch th vac. melted 견적문의 LT22867 SiO2 99.999% 1 inch dia x 0.125 inch th. vac. melted, RD~99% 견적문의 LT22866 SiO2 99.999% 1 inch dia x 0.25 inch th vac. melted 견적문의 LT21841 SiO2 99.999% 110 mm dia x 14 mm th. vac. melted 견적문의 LT23121 SiO2 99.999% 12 inch dia x 0.25 inch th vac. melted 견적문의 LT33744 SiO2 99.999% 14 inch dia x 0.25 inch th. vac. melted 견적문의 LT33745 SiO2 99.999% 14 inch dia x 0.5 inch th vac. melted 견적문의 LT26540 SiO2 99.999% 150 mm dia x 8 mm th. vac. melted 견적문의 LT21831 SiO2 99.999% 2 inch dia x 0.125 inch th vac. melted, RD~99% 견적문의 LT21832 SiO2 99.999% 2 inch dia x 0.25 inch th. vac. melted, RD~99% 견적문의 LT21833 SiO2 99.999% 3 inch dia x 0.125 inch th. vac. melted, RD~99% 견적문의 LT21834 SiO2 99.999% 3 inch dia x 0.25 inch th vac. melted, RD~99% 견적문의 LT21835 SiO2 99.999% 4 inch dia x 0.125 inch th. vac. melted, RD~99% 견적문의 LT21836 SiO2 99.999% 4 inch dia x 0.25 inch th vac. melted, RD~99% 견적문의 LT21837 SiO2 99.999% 6 inch dia x 0.125 inch th vac. melted, RD~99% 견적문의 LT21838 SiO2 99.999% 6 inch dia x 0.25 inch th. vac. melted, RD~99% 견적문의 LT21840 SiO2 99.999% 8 inch dia x 0.25 inch th vac. melted, RD~99% 견적문의