納凱夫纖維(NACF/NKAF)
納凱夫(NACK/NKAF)纖維是一種非石棉復合纖維,為我公司首創。它具有作為摩擦密封材料增強纖維最為重要的特性:
1.纖維比表麵積大,吸附性能好;
2.纖維束間附著阻尼劑,纖維的內聚力小,分散性能好;
3.纖維表麵經過化學處理,與配方中的其他組分連接性能優良;
4.具有生物降解性,對人和環境安全。
The asbestos free compound fibre(NACF/NKAF)
The NACF/NKAF fibre is asbestos free compound fibre. It was developed first by our experts. It has these main properties of used for friction and sealing materials. The fibre's ratio surface area is big, so its absorptive capacity is very good. The fibre cling to damping agent, fibre's cohesion is small, so its scattering property is excellent. The fibre's surface goes through chemical treatment, so its binding capacity with other elements is good. It can be biodegradable, so it is safe and harmless to environment.
一.物理性能(physics properties)
性能(properties)/型號(type) | NACF 18(NKAF 18) | NACF 68(NKAF 68) |
外觀(appearance) | 灰黃色或灰白色纖維(grey-yellow or grey-white fibre) | |
纖維長度(length of fibre)(μ) | 200-1000 | 200-1200 |
纖維直徑(diameter of fibre) (μ) | 3-6 | 3-6 |
燒失量(burning loss)(800℃,1h,%) | 30 | 14 |
水份含量(water contents) (%)≤ | 3.0 | 2.5 |
體積密度(capacity) (g/cm3) | 1.80-2.00 | 2.20-2.40 |
環境影響(environment impact) | 有生物降解性(biodegradable) |
二.化學性能(chemical composition)
名稱(name) | 含量(contents)(%) |
二氧化矽(SiO2) | 38-40 |
三氧化二鋁(Al2O3) | 18-20 |
氧化鈣+氧化鎂(CaO+MgO) | 23-25 |
氧化鐵(FeO) | 4-8 |
氧化鈉+氧化鉀(Na2O+K2O) | 4-5 |
遊離碳(contents carbon) | 6-8 |
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