Horizon Refractories® manufactures best quality ceramic balls for reliabile industrial applications. We focus on maximizing durability and our ceramic balls have exceptional properties like low water absorption, high crushing strength, and excellent impact resistance which ensures outstanding performance under extreme conditions. Whether in the harshest industrial environments or specialized processes, our ceramic balls deliver consistent results with minimal attrition loss and superior thermal shock resistance.
HRPL-25 is designed for general applications and are the ideal solution for industries requiring robust materials that can stand high pressure and rapid depressurization. Their low water absorption and high resistance to mechanical wear make them indispensable in catalytic processes, chemical industries, and more, ensuring long-lasting performance and operational efficiency.
Low Water absorption
100% survival in Rapid Depressurization Test
Inert towards liquid water
High Crushing Strength
Better Impact Resistance (Drop Test)
Thermal shock resistance (Quench Test)
Very low Attrition loss
Ceramic Balls Low Purity - Grade HRPL-25 (19-26 % Al2O3)
Ceramic Balls Medium Purity - Grade HRPL-50 (40-45 % Al2O3)
High Alumina Balls - Grade HRPL-99 (99 % Al2O3)
| HRPL-25 | |
|---|---|
| Al2O3 | 20 to 26 % |
| SiO2 | 65 to 72 % |
| SiO2+ Al2O3 | 92 % |
| K2O | 2.1 to 3 % |
| Na2O | 1.3 to 1.8 % |
| CaO | 0.5 to 1.1% |
| MgO | 0.5 to 1.2 % |
| Fe2O3 | 0.4 to 0.8 % |
| Tio2 | 0.4 to 0.8 % |
| Leachable Iron | 0.1 % |
| HRPL-25 | |
|---|---|
| Apparent Porosity (By Volume) | <1 % |
| Water Absorption (By weight) | 0.4 % Max |
| Particle Density :(Material Piece Density) gm/cc | 2.2 to 2.4 |
| Working Temp | 1000 oC |
| Roundness, dmax/dmin , mm | <1.25 |
| Thermal Expansion Coefficient, 1/K | 4.7 x 10-6 |
| Spec. Thermal Energy, kj/(kg x k) | ~ 0.84 |
| Thermal Conductivity, kj /(m x h x k) | ~ 6.3 |
| Packing Density :(Weight of balls in one M3 Volume) | 14010 +/- 30 Kgs OR1.36 to 1.45 Kg/L |
| SIZE | SIZE RANGE | HRPL-25 | ||
|---|---|---|---|---|
| kgs | lbs | n | ||
| 1/8” –3 mm | 2 to 5 mm | >25 | 55 | 245 |
| 1/4” – 6 mm | 5 to 8 mm | >65 | 143 | 637 |
| 1/2" – 12 mm | 11 to 14mm | >180 | 397 | 1765 |
| 3/4” -- 19mm | 17 to 21 mm | >430 | 948 | 4217 |
| 1” -- 25 mm | 23 to 27mm | >650 | 1433 | 6374 |
| 1 ½”---38 mm | 34 to 40mm | >910 | 2006 | 8924 |
| 2” --- 50 mm | 47 to 53mm | >1100 | 2425 | 10787 |
| VOID SPACE,% | VOID FRACTION | SURFACE AREA | |||
|---|---|---|---|---|---|
| MIN | MAX | % | AVG VALUE | ||
| 1/8” –3 mm | 2 to 5 mm | 42 | 45 | 0.425 | 1250 |
| 1/4” – 6 mm | 5 to 8 mm | 42 | 45 | 0.425 | 500 |
| 1/2" – 12 mm | 11 to 14mm | 42 | 45 | 0.425 | 280 |
| 3/4” -- 19mm | 17 to 21 mm | 42 | 45 | 0.425 | 170 |
| 1” -- 25 mm | 23 to 27mm | 42 | 45 | 0.425 | 125 |
| 1 ½”---38 mm | 34 to 40mm | 42 | 45 | 0.425 | 85 |
| 2” --- 50 mm | 47 to 53mm | 42 | 45 | 0.425 | 45 |
For processes that will require higher purity and precision we offer HRPL-50 Ceramic Balls. These balls are designed to support catalytic reactions, providing exceptional surface stability and maintaining their structural integrity even under extreme conditions. Their minimal attrition loss and superior mechanical strength make them an ideal choice for industries seeking high-efficiency solutions.
Low Water absorption
100% survival in Rapid Depressurization Test
Inert towards liquid water
High Crushing Strength
Better Impact Resistance (Drop Test)
Thermal shock resistance (Quench Test)
Very low Attrition loss
Ceramic Balls Low Purity - Grade HRPL-25 (19-26 % Al2O3)
Ceramic Balls Medium purity - Grade HRPL-50 (40-45 % Al2O3)
High Alumina Balls - Grade HRPL-99 (99 % Al2O3)
| HRPL-50 | |
|---|---|
| Al2O3 | 45 to 52 % |
| SiO2 | 45 to 55 % |
| SiO2+ Al2O3 | - |
| K2O | 2.1 to 3 % |
| Na2O | 0.5 to 1.5 % |
| CaO | 0.5 to 1.5 % |
| MgO | 0.5 to 1.5 % |
| Fe2O3 | 1 % Max |
| Tio2 | - |
| Leachable Iron | - |
| HRPL-50 | |
|---|---|
| Apparent Porosity (By Volume) | <1 % |
| Water Absorption (By weight) | 0.4 % Max |
| Particle Density : (Material Piece Density) gm/cc |
2.4 to 2.6 |
| Working Temp | 1450 oC |
| Roundness, dmax/dmin , mm | <1.25 |
| Thermal Expansion Coefficient, 1/K | 4.9 x 10-6 |
| Spec. Thermal Energy, kj/(kg x k) | ~ 0.94 |
| Thermal Conductivity, kj /(m x h x k) | ~ 7.0 |
| Packing Density : (Weight of balls in one M3 Volume) |
1450 +/-30 Kgs OR 1.42 to 1.48 Kg/L |
| SIZE | SIZE RANGE | HRPL-50 | ||
|---|---|---|---|---|
| kgs | lbs | n | ||
| 1/8” –3 mm | 2 to 5 mm | >57 | 126 | 558 |
| 1/4” – 6 mm | 5 to 8 mm | >113 | 249 | 1108 |
| 1/2" – 12 mm | 11 to 14mm | >230 | 507 | 2256 |
| 3/4” -- 19mm | 17 to 21 mm | >480 | 1058 | 4707 |
| 1” -- 25 mm | 23 to 27mm | >700 | 1543 | 6865 |
| 1 ½”---38 mm | 34 to 40mm | >1000 | 2205 | 9807 |
| 2” --- 50 mm | 47 to 53mm | >1200 | 2645 | 11768 |
| VOID SPACE,% | VOID FRACTION | SURFACE AREA | |||
|---|---|---|---|---|---|
| MIN | MAX | % | AVG VALUE | ||
| 1/8” – 3 mm | 2 to 5 mm | 42 | 45 | 0.425 | 1250 |
| 1/4” – 6 mm | 5 to 8 mm | 42 | 45 | 0.425 | 500 |
| 1/2" – 12 mm | 11 to 14mm | 42 | 45 | 0.425 | 280 |
| 3/4” -- 19mm | 17 to 21 mm | 42 | 45 | 0.425 | 170 |
| 1” -- 25 mm | 23 to 27mm | 42 | 45 | 0.425 | 125 |
| 1 ½”---38 mm | 34 to 40mm | 42 | 45 | 0.425 | 85 |
| 2” --- 50 mm | 47 to 53mm | 42 | 45 | 0.425 | 45 |
HRPL-99 Ceramic Balls we offer are for high-alumina applications. These ceramic balls are engineered with a high alumina content which makes them ideal for processes that demand extreme thermal stability and chemical resistance. With outstanding performance in quench tests and superior crushing strength HRPL-99 ensures operational efficiency in environments involving high temperatures and aggressive chemicals and offers longevity and performance in critical industrial processes.
Low Water absorption
100% survival in Rapid Depressurization Test
Inert towards liquid water
High Crushing Strength
Better Impact Resistance (Drop Test)
Thermal shock resistance (Quench Test)
Very low Attrition loss
Ceramic Balls Low Purity - Grade HRPL-25 (19-26 % Al2O3)
Ceramic Balls Medium Purity - Grade HRPL-50 (40-45 % Al2O3)
High Alumina Balls - Grade HRPL-99 (99 % Al2O3)
| HRPL-99 | |
|---|---|
| Al2O3 | >99.0 % |
| SiO2 | 0.20 % Max |
| SiO2+ Al2O3 | - |
| K2O | - |
| Na2O | 0.40 % Max |
| CaO | - |
| MgO | - |
| Fe2O3 | 0.10 % Max |
| Tio2 | - |
| Leachable Iron | - |
| HRPL-99 | |
|---|---|
| Apparent Porosity (By Volume) | <1 % |
| Water Absorption (By weight) | 0.4 % Max |
| Particle Density : (Material Piece Density) gm/cc |
3.0 to 3.5 |
| Working Temp | 1800 oC |
| Roundness, dmax/dmin , mm | <1.25 |
| Thermal Expansion Coefficient, 1/K | 6.7 x 10 -6 |
| Spec. Thermal Energy, kj/(kg x k) | ~ 1.1 |
| Thermal Conductivity, kj /(m x h x k) | ~ 14.6 |
| Packing Density : (Weight of balls in one M3 Volume) |
2050 +/- 50Kgs OR 1.95 to 2.15 Kg/L |
| SIZE | SIZE RANGE | HRPL-99 | ||
|---|---|---|---|---|
| kgs | lbs | n | ||
| 1/8” –3 mm | 2 to 5 mm | >75 | 165 | 735 |
| 1/4” – 6 mm | 5 to 8 mm | >150 | 331 | 1471 |
| 1/2" – 12 mm | 11 to 14mm | >300 | 661 | 2942 |
| 3/4” -- 19mm | 17 to 21 mm | >600 | 1323 | 5884 |
| 1” -- 25 mm | 23 to 27mm | >800 | 1764 | 7845 |
| 1 ½”---38 mm | 34 to 40mm | >1100 | 2425 | 10787 |
| 2” --- 50 mm | 47 to 53mm | >1500 | 3307 | 14710 |
| VOID SPACE,% | VOID FRACTION | SURFACE AREA | |||
|---|---|---|---|---|---|
| MIN | MAX | % | AVG VALUE | ||
| 1/8” – 3 mm | 2 to 5 mm | 42 | 45 | 0.425 | 1250 |
| 1/4” – 6 mm | 5 to 8 mm | 42 | 45 | 0.425 | 500 |
| 1/2" – 12 mm | 11 to 14mm | 42 | 45 | 0.425 | 280 |
| 3/4” -- 19mm | 17 to 21 mm | 42 | 45 | 0.425 | 170 |
| 1” -- 25 mm | 23 to 27mm | 42 | 45 | 0.425 | 125 |
| 1 ½”---38 mm | 34 to 40mm | 42 | 45 | 0.425 | 85 |
| 2” --- 50 mm | 47 to 53mm | 42 | 45 | 0.425 | 45 |
