Mô tả
STANDARD VIETNAMESE RUBBER
Testing laboratory of VIET SING Joint Stock Company
Accredited by Bureau of Accreditation – Ministry of Science and Technology
(Accreditation number: VILAS 863)
NATURAL RUBBER SVR L
SPECIFICATION
| Parameter | Unit | Limit | Test method |
| Dirt (retained on 45mm aperture) | % m/m | 0.02 max. | TCVN 6089
ISO 249 |
| Ash | % m/m | 0.40 max. | TCVN 6087
ISO 247 |
| Volatile matter | % m/m | 0.80 max. | TCVN 6088-1
ISO 248 |
| Nitrogen | % m/m | 0.60 max. | TCVN 6091
ISO 1656 |
| Initial Wallace Plasticity (Po) | – | 35 min. | TCVN 8493
ISO 2007 |
| Plasticity Retention Index (PRI) | % | 60 min. | TCVN 8494
ISO 2930 |
| Lovibond color | – | 4.0 max. | TCVN 6093
ISO 4660 |
