What are the materials of a tent?!?

The pegs (called stakes) are often part of what holds the tent up and otherwise secure the tent in one spot vs. wind. The ropes (usually called guy lines) tighten the tent to provide more room, wind resistance, and proper rain protection and stabilize and hold up the tent in very bad weather. The window is for ventilation. The outer cover (called the rain fly or just fly) of a double wall tent (there are single wall tents also) allow for ventilation by separating the uncoated and/or screen/mesh walls and ceiling from the wet fly. The tent pole (or poles) holds up the tent. Also, I think the word "parts" is what you meant rather than materials?

The window flap and outer cover are made of nylon; nylon is chosen because it's strong and light and waterproof. The rope is probably polypropolene. Poly ropes are chosen because they're milder resistant and don't get degreaded by the sun, and don't stretch or shrink when they get wet. The peg is probably HDPE or aluminum. Aluminum wire is very cheap and easy to form; the cost of hte peg is less then a penny. If it's a plastic peg (HDPE) then it's less likely to bend then the plastic peg, but more likely to break. The plastic pegs hold better because of their shape, but aren't as good for rocky soil.

The tent pole is either aluminum or fiberglass. Aluminum is sturdier but heavier. It's a good choice for family tents. However, backpacking tents have fiberglass poles because they're lighter. Fiberglass is more expensive.

That should help.

You listed the items, not the materials.

Tents are made with nylon or canvas for the main part of the tent. The poles are made from steel (bigger tents), fiberglass or aluminum, often with shockcord (elastic) to hold them together (not used on the steel poles). There is also the screen material, which is typically nylon.

The reason to use each material is based on cost and weight.

Canvas is cheaper and is not affected by sunlight as much as nylon, but it is much heavier.

Steel poles are cheaper, but heavier. Aluminum is the lightest, but the most expensive. Fiberglass is in between.

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