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| Customization: | Available |
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| Customized: | Customized |
| Certification: | ISO, BV |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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PP BALL | ||||||
1. Material | Polypropylene | |||||
2.Size Range | 1) Solid: 1mm-100mm | |||||
2) Hollow: 15mm-100mm | ||||||
3.Grade | 1) Solid: G0-G3 | |||||
2) Hollow: G2-G3 | ||||||
4.Density(g/cm³) | 0.9-0.91 | |||||
5.Feature | a.excellent resistance to chemicals | |||||
b.low density | ||||||
c.heat resistance | ||||||
d.most light in general plastic field | ||||||
6.Applications | cosmetic,sprayer,sealing equipment.. | |||||


Manufacture process of steel balls | ||||
Step 1 Heading | Balls blanks are cold headed from rolls of wire. | |||
Step 2 Flashing | Rolling balls between two hard alloy plates to removes the slight band and small protrusions. | |||
Step 3 Heat treat | Heating balls to a high temperature in furnace and quenching balls in a liquid bath. | |||
Step 4 Rough grind | Rolling balls between the face of a fixed iron plate and a very hard fire-grit grinding wheel. Then rolled the hardened ground balls between two cast iron plates. | |||
Step 5 Cleaning | The final production operation cleans the finished balls and adds a shiny luster. | |||
Step 6 Final Inspection | Balls are gauged, visually inspected and subjected to other quality tests to insure every customer's specifications are achieved. | |||
Step 7 Packaging | The balls are packaged in accordance with customer specifications for shipping. | |||


3, What kind of steel balls can supply by HUARI STEEL BALL CO., LTD. ? | |||
Material | Carbon, Chrome, Stainless, Aluminium, Copper, Brass and so on. | ||
Size range | 0.8mm-150mm | ||
Grade | G10-1000 | ||
Packing | Standard or as customer required | ||
Delivery | Stock within a short time or 35 days | ||