Babban hayaki mai tsayayyen nr40:
Babban zanen nr40 yana da sufai mafi girma, ƙarfin tenarshe, ƙarfafa tsayayye da halayen elongation. Saboda waɗannan kyawawan halaye na zahiri, ana yin amfani da shi sosai azaman rufin roba na ƙonewa don tsayayya da samfuran girman hatsi.
Kayan aiki na zahiri:
| Dukiya | Standaryan gwaji | Daraja |
| Nau'in polymer | Roba na zahiri | |
| Taurin kai (gaci a) | ISO 868: 2003 | 40 +/-- 5 |
| Tenerile ƙarfi (MPa) | ISO 37: 2017 | ≥22 |
| Elongation a karya (%) | ISO 37: 2017 | ≥700 |
| Hawaye juriya (n / mm) | ISO 34-1: 2015 | ≥60 |
| Abrasion juriya a 5n (mm³) | ISO 4649: 2017 | ≤60 |
| Density (g / cm³) | 1.05 +/-- 0.05 | |
| An saita Matsarwa Bayan 22h A 70 ℃ (%) | ISO 815-1: 2014 | ≤30 |
| Yawan zafin jiki (℃) | -40 ℃ zuwa 80 ℃ |
Tsufa:
| Dukiya | Standaryan gwaji | Daraja |
| Hardness canji bayan 168h a 70 ℃ (bakin teku a) | Astm D573-04 (10) | ≤5 |
| Tenerile ƙarfi canza bayan 168h a 70 ℃ (%) | Astm D573-04 (10) | ≤-15 |
| Elongation a Rage canji bayan 168h a 70 ℃ (%) | Astm D573-04 (10) | ≤-25 |
Siffar da:
Kauri: 1-30mm
Nisa: 0.9-2m
Tsawon: 1-20m
Akwai launi:
Red, launin toka, kore, launin ruwan kasa
Akwai saman:
Santsi, sanannen ra'ayi
