Alumina Ceramics
12 products

OR-FSR — Fused Silica Ceramic Roller
Ultra-precise fused silica rollers (SiO₂ ≥99.7%) for flat glass tempering, solar and silicon steel lines. Near-zero thermal expansion <0.6×10⁻⁶/°C, diameter tolerance ±0.05 mm, OD 15–130 mm.

OR-WRP — Alumina-Lined Wear Resistant Steel Pipe
Steel pipes lined with Al₂O₃ tiles. Ø50–800 mm, liner 3–50 mm. Mohs 9, 260× harder than manganese steel. 50% lighter than solid steel. Resistant to acids, alkalis and organic solvents. Service life 10× standard steel pipe.

ORT Series — Ceramic Protection & Insulating Tube
High-purity alumina tubes for thermocouple protection and electrical insulation. 4 grades T92–T997 (Al₂O₃ 92–99.7%), use temp 1390–1700°C, insulation 10 kV/mm. Multi-bore insulating tube and single-bore protection tube variants.

ORTAB Series — Alumina Grinding Beads
Fine-grinding alumina beads for stirred mills and ball mills. 4 grades (Al₂O₃ ≥92–97%), Fe₂O₃ ≤0.1–0.3%. Ideal for feldspar, quartz, kaolin, glaze, pigments and inks.

ORTAT Series — Alumina Wear Resistant Ceramic Tube
Seamless alumina ceramic tubes for aggressive slurry, mineral and power plant applications. OD Φ25–500 mm, wall 6–50 mm, thermal shock resistance to 800°C. 5× longer life than same-thickness tiles.

ORTB Series — Alumina Grinding Ball
5 grades of high-density alumina grinding balls (Al₂O₃ 92–97%) for wet and dry milling. Diameters 10–100 mm, self-wear loss ≤0.005–0.010% per 24 h. Up to 24 MT per 20' FCL.

ORTC Series — Alumina Wear Resistant Ceramic Cylinder
5-grade alumina ceramic cylinders (TC85–TC99), bending strength 235–300 MPa. 21 standard sizes Ø15×9.75 mm to Ø50×50 mm. Dual function: wear lining and grinding media.

ORTCR Series — Wear Resistant Rubber Ceramic Panel
Composite panels combining alumina ceramic tiles (92% or 95%) bonded to natural rubber with German Chemlok adhesive. Peel strength 6 MPa. Panels 200×200 to 600×600 mm. Steel-backed option available.

ORTecRoll Series — Refractory Ceramic Roller for Kilns
4-grade refractory alumina rollers for ceramic tile and sanitary ware roller kilns. Max service temperature 1350°C. Al₂O₃ 76–85%, diameters 20–80 mm, lengths 1600–5000 mm.

ORTH Series — Alumina Ceramic Bonded Rubber Hose
Ceramic-lined rubber hoses 1"–12" for aggressive slurry services. 12× more wear resistant than stainless steel. Max pressure 150 Psig, max temp 121°C. Plain, threaded and flanged ends.

ORTL Series — Alumina Wear Resistant Lining Brick
Interlocking alumina lining bricks for ball mills and grinding equipment. 4 grades (Al₂O₃ ≥92–97%), Mohs 9, self-wear loss ≤0.010% per 24 h. Rectangle, trapezoid and flake profiles.

ORTW Series — Alumina Wear Resistant Ceramic Tile
High-purity alumina ceramic tiles offering up to 260× the wear life of manganese steel. Available in 6 grades (Al₂O₃ ≥92–99%) with 2000+ standard sizes from 10×10 mm to 300×300 mm.