Well you know better. Glass fiber sticks in the skin and breaks which I don't like. Wool is best.
What makes it worse is that the fibers are much shorter and finer, enabling them to enter your pores more easily and to be inhaled more readily.
nirupambhowmick,
That looks more like synthetic fiber judging by the reflectivity. Yes it will work and if you are concerned then yes, put it in a covering of some sort.
That looks more like synthetic fiber judging by the reflectivity. Yes it will work and if you are concerned then yes, put it in a covering of some sort.
No, not synthetic; natural cotton from old pillow(ancient stuff) 😀 ....i'm very sure. It is very difficult to use loose cotton for stuffing, this is why I am going to try pillow cover. I don't know if it has any adverse effects.
Why not just use wool? Very environmentally positive. Just think, you'd be contributing almost a drop in the bucket of the No.1 polluter which is the unspoken mega tons of discarded clothing and apparel dumped all over the place.
I must be misunderstanding something in your wording Pete. Old clothing becomes felt, wool comes from animals. Both can be used for this purpose.
The problem with old clothing is that it just keeps accumulating. People wear it a few times and get rid of it far more often than it gets donated. It's the unspoken major contributor to environmental pollution.
Is it?
After working in the field for many years, I became a building envelope consultant, yet would not make such a bold statement.
The tests I conducted about 30 years ago showed no such thing. This included high intensity lighting and high speed cameras. I was very curious about what you speak. Every negative movement of the cone is equalled by the positive movement. IOW only the first few cone movements would have any of what you speak. And, you need to crush the fibres to have any 'dust'.
Interesting as the length of fibre it directly related to the temperature and blowing method, so they must have a special order?
Probably a great product. I'm not convinced it's superior enough to bother. And that comes from a dedicated Altec guy.
That would involve resins. Another good idea if you're actually concerned.
Remember that both glass fibre and mineral fibre will break down in the lungs over time, if not in excessive amounts whereas synthetic fibres might never depending on the circumstances. People think they are so safe using fiberfill.
I understand that completely Pete. I live in that kind of neighbourhood. I was just confused by your post. It said that you were suggesting using old clothing to make wool. I guessed you meant felt, Anyway enough about that, both will work.
Anders, I like that pic. It's also refreshing to see someone leave off a side panel rather than the front or back.
Cheers.
Cheers.
Yes it is, absolutely no doubt, commensurate with my last post. It's not a bold statement, but an informative one. I have many years of experience. Mine and my many colleagues' testimony confirms it.
Glass fiber will not ever break down, it's 'glass'. Mineral wool will, however with serious coughing and hacking for an extended period until you finally realize you need a respirator to work with it.
There was an article in our local newspaper many years ago about an insulator who neglected to wear a mask/respirator for 20 + years over the course of his vocation installing fiberglass batting. Well he was admitted in the hospital for a blood transfusion to clear his veins of fiberglass! His circulation was impeded.
Well, at least the first few movements Every Time you fired them up.🙂
check post #8
Ken Kantor
Using dampening material on enclosure - AVS Forum | Home Theater Discussions And Reviews
Ken Kantor
Using dampening material on enclosure - AVS Forum | Home Theater Discussions And Reviews
Professionally BAF wadding is widely used, it being far less nasty and damage to VCs from glass is reduced.
I use it enclosed into a 'cushion' of dacron holowfill making an envelope.
If you really fill the cabinet you will damp the fundamental bass airflow, especially affecting a reflex system.
I use it enclosed into a 'cushion' of dacron holowfill making an envelope.
If you really fill the cabinet you will damp the fundamental bass airflow, especially affecting a reflex system.
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Well Pete,
My experience and research is contrary to your findings so it might be best if you don't come to the table as an expert. That's as polite as I can say it.
My experience and research is contrary to your findings so it might be best if you don't come to the table as an expert. That's as polite as I can say it.
Fiberglass/mineral ceiling tiles may work. The effect depends on the density. The loft insulation is nice as it has relatively low density that you can increase by packing it into the box tightly or loosely as needed. Woofer response simulators often have a damping density input, winISD free software does. An alternative to fiberglass is wool. I love fiberglass, but I recently bought some of the wool at Madisound and was impressed with the performance and reasonable price. With fiberglass you want gloves and a face mask followed by using masking tape on your arms to remove it. With wool, some fibers may fly away as you work with it, and some may have an allergy to it. I had good results packing wool or fiberglass in my fall project, an LS 3/5A cabinet redesigned with modern drivers.
I happen to have 50 years of hands on experience with these materials. You could say I have an educated opinion. We all have one kind or another.
If i'm not wrong, there are two types of natural cotton.
We get them from two different species of trees.
i got raw red silk cotton, which is used in the pillow.
The name of the tree is 'Bombax ceiba'-
Bombax ceiba - Wikipedia
i want to use them in a bag(like pillow cover) made of long pure cotton yarn & with cotton lining(cloth).
i hope it will work 🙂
Because i'm not going to use fibreglass due to non availability, high price & difficulty in using, I don't want to say anything about that. But it is generally accepted fact that fiberglass is best for damping material 😉
We get them from two different species of trees.
i got raw red silk cotton, which is used in the pillow.
The name of the tree is 'Bombax ceiba'-
Bombax ceiba - Wikipedia
i want to use them in a bag(like pillow cover) made of long pure cotton yarn & with cotton lining(cloth).
i hope it will work 🙂
Because i'm not going to use fibreglass due to non availability, high price & difficulty in using, I don't want to say anything about that. But it is generally accepted fact that fiberglass is best for damping material 😉
