NEN-EN-ISO 1157
Plastics - Cellulose acetate in dilute solution - Determination of viscosity number and viscosity ratio
inactive, Most Current
| Organization: | NEN |
| Publication Date: | 1 June 1999 |
| Status: | inactive |
| Page Count: | 5 |
| ICS Code (Thermoplastic materials): | 83.080.20 |
scope:
This International Standard specifies a method for determining the viscosity number and viscosity ratio of cellulose acetate in dilute solution in a mixture of dichloromethane and methanol. It applies to cellulose acetate with not less than 50% acetic acid yield.
Document History
NEN-EN-ISO 1157
June 1, 1999
Plastics - Cellulose acetate in dilute solution - Determination of viscosity number and viscosity ratio
This International Standard specifies a method for determining the viscosity number and viscosity ratio of cellulose acetate in dilute solution in a mixture of dichloromethane and methanol. It...