Monthly Archives: December 2009
How can a fountain drink be filled without causing a lot of foam?
When a soda is filled in a foam cup, it foams right away. Is there a way to fill the cup without causing a lot of foam? tilt the cup until it is on a diagonal, and pour slowly, so … Continue reading
what kind of tools to cut foam mattress?
Use an electric knief…the kind you use to carve a turkey. Its what is used by people who have to cut foam rubber for furnature
My new foam mattress is like a rock – will it get softer soon like in the store or is something wrong with it?
I bought a Therapedic memory foam mattress – it was great in the store – it molded to my body right away. When it was delivered to my house and I lay down on it, it was seriously as hard … Continue reading
Please answer this question regarding DNA, isopropyl and ethyl alcohol.?
We did a lab where we extracted DNA from a germ wheat cell. Here is what we did: first we heated a beaker of water to around 60 degrees Celsiuswe added 15 ml of the water into a beaker. we … Continue reading
what better the blown/waffle rubber underlay or flat foam underlay please help?
ive only ever had the blown rubber type but the foam stuff is cheaper is there are difference or do they do the same job, there seems to be so many on the market. help I check all thing I … Continue reading
Wash Foam Matress Pad?
Can it be washed in a washing machine? What would happen if I did wash it in a washing machine although it shouldn’t be? It’s turned yellow since last year when I bought it and its supposed to last 5 … Continue reading
How is foam made? Polyurethane?
How isP U foam made before it is cut in sheets Foam is made through the following process: A big pile of goop (usually in your case urethane monomers that will eventually become foam) sits there. What it is, is … Continue reading
Where can you buy foam that can be cut to custom fit to put mechanical or specific parts in a case or drawer?
I have to buy it in a store not online. I want maybe polyethylene or polyurethane. Here’s what I have in mind if my description wasn’t coherent: http://www.amcases.com/images/FoamInsert… http://www.onboard.tv/images/product_ima… http://shashinki.com/shop/images/PLC-160… I can’t see your links but you might want to … Continue reading
What kind of foam is used that is placed with vacuum cleaner filters?
The foam always seems to get dirty before the filter needs to be changed. I always end us gently washing & reusing them. Is there a particular foam I can buy so I can make my own? It is called … Continue reading
Crying over spilled milk!?
My four year old son spilled chocolate milk in the back seat of my car. I soaked up the milk as soon as it happened (or so I thought), but a few days later my car began to STINK! After … Continue reading