The answer should be silk. Silk is a luxurious material used in hand knotted carpet. The silk fiber is thin and long with high tensile strength, also has the good resilience and luster. It is very suitable for knitting carpet in high density and thickset design. For the handmade silk carpet, it needs very fine workmanship and experience weavers. Silk carpet will a high value for its silk material and unique hand knotted method, It is not only a top-end interior decoration, also an art treasures for collection.
Beside silk, another popular material is wool. Wool is one of main material in production of Persian carpet. The wool what be clipped off from lambs in eight to fourteen months is best material for producing Kashimir carpet. The wool from New Zealand has an average length of 55 to 85mm, without dead wool, with an over 13% hygroscopic rate, and an anti-static function and some fire
For the cheaper carpet, it is made by cotton.
Cotton is the auxiliary material what often be used for warp and weft. To use cotton thread can improve the foundation, make the foundation more sturdy. For some low-density carpet, sometime the cotton/rayon mixed threads would be used for warp or weft.
If you have the ability to have one silk carpet, you’d better choose one handmade silk carpet to decorate your warm home. The silk carpet is environment friendly and has high value for collection.