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It mainly adsorbs water, ethanol, hydrogen sulfide, carbon dioxide, ethylene, and does not adsorb any molecule with a diameter greater than 4A , and its selective adsorption performance on water is higher than that of any other molecule. It is one of the most used molecular sieve species in the industry. It is widely used in the drying of gases and liquids, and can also be used in the refining and purification of certain gases or liquids.
Chemical formula: Na2O-AL2O3.2SiO2.9/2H2O Silicon to aluminum ratio: SiO/AL2O3≈2
| 4A | Items | Unit | Beads | Strip | Automotive Brakes 4A ball for system |
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| Diameter | mm | 1.7-2.5 | 3.0-5.0 | 1/16" | 1/8" | 1.6-2.5 | |
| Static water adsorption | ≥%wt | 22 | 22 | 22 | 22 | 20 | |
| Buck density | ≥g/cm³ | 0.68 | 0.68 | 0.66 | 0.66 | 0.83±0.03 | |
| Crushing strength | ≥N | 35 | 80 | 40 | 80 | 70 | |
| Attrition rate | ≤%wt | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | |
| Particle size | ≥% | 98 | 98 | 98 | 98 | 98 | |
| Moisture | ≥%wt | 1.5 | 1.5 | 1.5 | 1.5 | 1.0 | |
Our Advantages:
Who are we?
1. TNN was founded in 1998 with headquarters in Dalian, branch offices in USA, Austrilia.
2. ISO9001 Certificated,annual Sales Amount 28million US dollors, cooperative ralationship with 60+countries.
What we can do?
1. Customer-oriented sourcing and supply service.
2. Pre-shipment sample test and third-party inspection to assure product quality.
3. Customized label and packing, reinforced palletizing method to keep cargo in good condition.
4. Professtional service on mixed container load with 20+ different products in one consignment.
5. Fast speed of delivery under multiple modes of trasportation including sea,railway,air,courier.
Advantages:
1. 26-year export experience
2. Mix container and professional loading with taking photos of every step.
3. Our own lab, test pre-shipment sample before shipment and keep batch samples
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