General
The NACF fib er is a kind of new reinforced composite fib er , which contains nanophase material and has no asbestos. It is developed and manufactured by ourselves. The full name is No Asbestos Compound Fibers , called “ N ACF” for short. At present, our annually capacity is 5 000 tons on N ACF. O ur products not only confirms to the Q/3201SWC04-2008 standard but also approve the IS09001-2000 certificate system of quality certification. As a new environmental fib er , the N ACF fib er is mainly used for replacing the traditional asbestos fib er and expensive Kevlar pulur fiber.
1 The character of N ACF fib er
The main materials of N ACF is a good selection of the Diabase, The raw materials are melted in more than 1 2 00 ℃ temperature , then adopt lots of other technics as melt spinn ed, surface activation, organic treatment , spoil disposal, high speed mixment, drying as well as refining with some nano composite material and plant fiber. So its main advantage have the performance of the reinforce , the resist pressure , the resist heat , and the resist medium . Thus, the thermal stability of NACF is better than the traditional asbestus fib er, also have better compressive strength , lower heat-conduction coefficient and better st able on chemical , and be good at bounding, heat resistance , resilient and resist slack. It has all characteristics a reinforced fibre should have.
The character as followed
1. NACF as a kind of 100% reinforced composite fib er with no asbestos , can add into hermetically material.
The product make by excellent material and special procedure. So we can ensure our main content is inorganic , environmental protection , degradable , and no pollution . N CAF fib er stand competition in reinforced sealed fib er at home and abroad for its nice cost-performance. It is canonized by frictional material experts and receives recognition from customers at home and abroad.
2.The direction is sample, and conven ience for mass production.
3. With the performance of good e nhancement , high tortuosity ratio and resist medium , can increase the impact strength in hermetically material.
4. After organic cou pling treatment on t he fi b er surface, the bounding capacity was improved. It could be well combined with resins and other c omponent and could even stay with the co-worker of frictional material.
5. The NACF fiber after swelling treatment, the floss shaped fiber surface is enlarged, w hich help to strengthen its absorbtion. It also renew quickly as friction material. Thus, it can lengthen their service life .
6. In order to meet the client’s requests need the resist slack of hermetically material, we can change the L/D by controlling the diameter and length of the fib er .
2 N ACF ’ s P hysical P roperty
Properties/type |
NACF |
appearance |
grey-white fibre form |
Average length of fibre(mm) |
0.3-8.0 |
Average dia(mm) |
0.03-0.06 |
Burning less (% 、 800 ℃ /h) |
15.0-20.0 |
PH value |
7.0-8.0 |
Water content(%) |
≤ 2.0 |
Capacity density(kg/m 3 ) |
＞ 80 |
3 N ACF ’ s C hemical C omposition
SiO 2 30 – 5 0% Al 2 O 3 1 2 - 18 %
Ca O +MgO 2 8 - 3 8% Fe 2 O 3 0. 5 - 1 %
Na 2 O+K 2 O 0.5 - 1 % Free Carbon 4 -8%
4 The Application Hints of NACF
With the principle of “the equivolume substitute”, t he NACF can replace Kevlar Pulur to do the prescription of the hermetically materials. The dosage is 70 - 80 % of the traditional asbestus fibre, which again show the advantage in the cost effectiveness.
5.P ackaging, D eposit and Service
⑴ The packaging is compound spinning bag. The details as below form:
ITEM |
Weight |
CBM |
NACF |
10KG |
90X40X20CM |
⑵ Deposit in dry place , avoid to be wet.
The period of validity: 2 year |
