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The foam used in bus seats is typically a type of polyurethane foam. This material provides cushioning and comfort for passengers while also being durable and able to withstand frequent use.

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1y ago

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How do foam nozzles work?

Foam nozzles work by mixing water and a foaming agent under high pressure to produce foam. The foaming agent creates bubbles in the water stream, which expands the volume of the foam. This foam is then used for firefighting or cleaning, as it is more effective at smothering fires or clinging to surfaces.


Can foam rubber sheets be used for insulation?

Yes, foam rubber sheets can be used for insulation. They are effective for both thermal and acoustic insulation due to their cellular structure, which traps air and reduces heat transfer and dampens sound. They are also flexible and often moisture-resistant.


What type of foam is used to extinguish a polar solvent fire?

Alcohol-resistant foam is typically used to extinguish fires involving polar solvents, such as acetone or methanol. This type of foam forms a barrier between the fuel and the oxygen in the air, smothering the fire and preventing reignition.


What tape is used to secure the floral foam to the design container?

Floral adhesive or waterproof floral tape is commonly used to secure floral foam to the design container. These tapes are specifically designed to provide a strong bond and prevent water from seeping into the foam, ensuring that the arrangement stays securely in place.


Is there formeldhyde in foam matteresses?

Yes, some foam mattresses may contain formaldehyde as it is sometimes used in the manufacturing process as a binding agent. It is important to check with the manufacturer or seller for specific information about the materials used in the mattress.