Results for: Polyurethane

In Home Improvement

What are uses of Polyurethane?

Answer . Polyurethane is usually used over stained or unstained wood to protect it from water and damage. It is a sealer.
In Painting and Staining

What are polyurethanes?

A polyurethane is any polymer consisting of a chain of organicunits joined by urethane links. It is widely used in flexible andrigid foams, durable elastomers and high perform (MORE)
In Math and Arithmetic

What is the density of polyurethane?

For rigid polyurethane, I've seen 1.05 g/cm3 published on the web, which would be about 65 lb/ft3. For flexible poyurethane foam, it varies with how much air is in the foam.
In Organic Chemistry

How do you recycle polyurethane?

Hi, polyurethane can be recycled in two major ways: 1, by rebonding the polyurethane crumbs using hydraulic press and 2, by converting the poyurethane into powder and use it a (MORE)
In Science

Does polyurethane burn?

The answer is yes. Polyurethane burns readily except it is fortified with highly potent fire retardant.
In Human Anatomy and Physiology

Is polyurethane toxic?

No, Polyurethane is not toxic. In bedding products it often givesoff a strong scent for a few days, which is not harmful. It is alsoused in MANY eco-friendly products, because (MORE)
In Home Improvement

What is the polyurethane?

It's a type of plastic materials , chemically it's simple a polymer consist of billions of repeating unites is called Urethane which is an ester of Carbamic Acid with any diol (MORE)
In Chemistry

Is polyurethane flexible?

Sometimes. . Polyurethane formulations cover an extremely wide range of stiffness, hardness, and densities. These materials include:. Low-density flexible foam used in uph (MORE)
In Global Warming

Is polyurethane a plastic?

Plastic is a very generalized term for polymers that can mean either a thermosetting or a thermoplastic Plastic. There is Polyethylene Terephthalate (PETE), Low Density Polyet (MORE)
In Science

What can polyurethane be used for?

GENERAL ENGINEERING : Paper creasing rollers . Glass fiber cutting rollers . Anti vibration mountings and printing rollers . Plastic cutting rollers . Gear wheels . Co (MORE)