|
|
 |
OBAs |
 |
|
|
|
Subdomain (1st level): |
|
Raw materials |
|
|
|
Subdomain (2nd level): |
|
Papermaking additives |
|
|
|
Grammatical category: |
|
Complex term |
|
|
|
Grammar notes: |
|
Countable |
|
|
|
Variant of: |
|
Optical brightening agents |
|
|
|
Type of variant: |
|
Acronym |
|
|
|
Context: |
|
The color of paper is changed by the addition of dyes and OBAs. It is usually necessary to add more than 1 dye (usually 2 or 3, and even 4) to achieve good color matching. |
|
|
|
Context source: |
|
EN 10 |
|
|
|
Attestation: |
|
2 |
|
|
|
| |
|