Canvas injin mai daukar bel a fi amfani da roba kayan matsayin polyester da nailan biyu Categories. Daga cikin su, polyester da nailan kasu kashi daban-daban.

Polyester: Product sunan polyester, polyethylene terephthalate kimiyya sunan da ya rigaya diester, rage tsawon lokacin da so. Polyester yana da amfani da kyau zafi juriya, kananan nakasawa, ba sauki sha danshi, high ƙarfi. Cikinsa da polyester yarn bisa ga asali yi, zuwa kashi high ƙarfi (watau talakawa type), high modulus low shrinkage, low shrinkage type, low shrinkage type.

Nylon: cinikayya suna nailan, nailan 6 da nailan 66, nailan kasu kashi biyu iri. Nylon 6 ne polycaprolactam kimiyya name, rage tsawon lokacin da PA6, PA66 kimiyya sunan ne polycaprolactam adipamide, rage tsawon PA66. Janar abũbuwan amfãni daga nailan ne mai high ƙarfi, gajiya juriya na kananan, low yawa. Amma drawback ne high danshi sake samu, mai saukin kamuwa zuwa muhalli tasiri.