| Customization: | Available |
|---|---|
| Color: | Black |
| Diameter: | 4 mm |
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Ceramic balls are widely used as the covering or supporting materials of the catalyst in the reactors and the packing in the columns in such varied areas, for examples, petroleum, chemical industry, chemical fertilizer, natural gas and environmental protection etc. The ceramic balls have the advantages of high temperature and high pressure resistance, low water adsorption, stable chemical performance, it also resistance to acid, alkali, and some organic solvent.
| Item | Test Result | Test Basis |
| D50 | 0.7um-0.9um | light transmittance sedimentation method |
| secific surface area | 13.71 m2/g | ST-A08 specific surface area meter |
| fsi | 0.28% | XRD |
| α - Si3N4 | 94.25% | XRD |
| N | 39.57% | inert gas pulse infrared thermal conductivity (QB-Q-02-97) |
| Fe | 0.021% | atomic absorption( CKS-Hl-65) |
| Mg | 0.002% | atomic absorption( CKS-Hl-65) |
| Ca | 0.037% | atomic absorption( CKS-Hl-65) |
| Al | 0.11% | atomic absorption( QBuHi-14-1997) |
| Si3N4 | 99.0% | nitrogen content*2.5039(The ratio of molecular weight of nitrogen to silicon nitride) |
| Material Grade: A | Executive Standard:GB/T308.2-2010;GB/T 31703-2015 | |||||||||||||||||||||||||||
| Item | Standard Requirements | Measured Data1 | Measured Data2 | Measured Data3 | Assessment | |||||||||||||||||||||||
| 1 | Density | g/cm3 | ≥3.20 | 3.24 | 3.24 | 3.24 | I Material | |||||||||||||||||||||
| 2 | Facade | eye-measurement | No crack | qualified | qualified | qualified | G10 | |||||||||||||||||||||
| 3 | Size | outer diameter | ±0(±0) | qualified | qualified | qualified | OK | |||||||||||||||||||||
| 4 | Roundness(2-15) | ≤0.25um | 0.115 | 0.128 | 0.138 | G5/G10 | ||||||||||||||||||||||
| 5 | Surface Roughness | Ra≤0.014 | 0.008 | 0.009 | 0.007 | G5 | ||||||||||||||||||||||
| 6 | Hardness | HV:1300-1600 | 1410 | 1420 | 1430 | I/II Material | ||||||||||||||||||||||
| 7 | Vibrate | ≤35db | 32 | 33 | 34 | G5/G10 | ||||||||||||||||||||||
| Size | Crush strength | |
| Kg/particle | KN/particle | |
| 1/8''(3mm) | >35 | >0.35 |
| 1/4''(6mm) | >60 | >0.60 |
| 3/8''(10mm) | >85 | >0.85 |
| 1/2''(13mm) | >185 | >1.85 |
| 3/4''(19mm) | >487 | >4.87 |
| 1''(25mm) | >850 | >8.5 |
| 1-1/2''(38mm) | >1200 | >12 |
| 2''(50mm) | >5600 | >56 |
Shandong Hualu International Trade Co., Ltd. has over 100 employees and more than 20 years of production and research experience. It mainly produces bearing steel balls, stainless steel balls, ceramic balls, tungsten steel alloy balls, casting balls, stamping balls, plastic balls, copper balls, carbon steel balls, iron balls and other materials balls. We also can customize and process non-standard size balls(The standard grade:G10-G1000,The standard size:0.5-150mm).Our annual output value more than 8000 tons and annual sales revenue can reach 140 million yuan.
Q1: Can you provide samples?
A: Yes. We can offer it for free.
Q2: What about the MOQ?
A: Inventory items have no MOQ. If no stock, MOQ is 100KG.
Q3: Can you accept OEM/ODM?
A: Yes, we can. Customizing according to your requirement or drawing.
Q4: What's the delivery time?
A:Delivery on the same day for products weighing less than 500 kilograms in stock.
Q5: How about technical support and after-sales service?
A: We have a professional technical support team at your service at any time.
Q6. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
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