Sieve Cleaning Ball
Comparison of Performance Parameters (Rubber, Silica Gel, PU)
| Natural Rubber | Silica Gel | PU | |
| Hardness(Shore A) | 55-85 | 55-85 | 70-85 |
| Working TemperatureºC | -25~+100 | 0~+220 | -40~+120 |
| Oil Resistance | Ordinary | Ordinary | Good |
| Bounce | Good | Ordinary | Ordinary+ |
| Abrasion Resistance | Ordinary+ | Good | Excellent |
| Rebound Rate | ≥75% | / | / |
Common specifications (Material: Rubber, Silica Gel, PU)
| Diameter Ф mm | Quantity of Carton | Weight of Carton Kg | Size of Carton cm | Volume of Carton M3 |
| 12 | 6000 | 7.8 | 32*32*32 | 0.017 |
| 16 | 3000 | 8.1 | 32*32*32 | 0.017 |
| 19 | 2000 | 9.2 | 32*32*32 | 0.017 |
| 22 | 1500 | 10.8 | 30*25*22 | 0.017 |
| 24 | 1000 | 9.4 | 30*25*22 | 0.017 |
| 26 | 1500 | 18.0 | 32*32*32 | 0.033 |
| 28 | 1200 | 18.0 | 32*32*32 | 0.033 |
| 30 | 1000 | 18.5 | 32*32*32 | 0.033 |
| 32 | 800 | 18.0 | 32*32*32 | 0.033 |
| 35 | 600 | 18.0 | 32*32*32 | 0.033 |
| 38 | 500 | 19.2 | 50*40*23 | 0.035 |
| 40 | 400 | 17.6 | 50*40*23 | 0.035 |
| 45 | 300 | 18.8 | 50*40*23 | 0.035 |
| 50 | 200 | 17.3 | 50*40*23 | 0.035 |
| 55 | 150 | 17.3 | 50*40*23 | 0.035 |
| 60 | 100 | 14.9 | 50*40*23 | 0.035 |





FAQ
Q: Are your manufacturer or trading company?
A: JIANGSU JINGWEI is a leading and professional manufacturer of grain conveying equipment accessories over 10 years in China.
Q: What is your payment term?
A: Our usual payment is 30%TT in advance, 70%TT before shipment (the bill of landing). For small quantity, we also accept other ways after discussion.
Q: Could i buy sample first or small order and is the sample fee refundable?
A: Of course. We accept sample and small order especially for new customs and of course the sample fee will be refundable when
order confirmed.
Q: When can delivery from ordering?
A: The delivery time depend on the quantity you ordered, generally about 15-45 days after deposit of payment.
Q: What is the quality of your products?
A: Quality is our corporate culture, we regard product quality as life of our company. We have achieved a lot of certifications to
meet customs requirements. As a factory, we can control all process of production 100% and every single product will be tested
qualified before shipping.
Q: How long is the warranty of your product?
A: Our warranty period is usually one year. But the warranty period can be extended after discussion and agreement.








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