| ReturnTo Theme-Group-Choice | Onelevelup |
| 4H028 | Fireproofing substances | |
| C09K21/00 -21/14 | ||
| C09K21/00-21/14 | AA | AA00 COMPONENTS |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Inorganic substances | . . Natural minerals | . . Compounds or simple substances containing carbon (C) | . . Compounds containing nitrogen (N) | . . Compounds containing silicon (Si) | . . Compounds containing boron B) | . . Compounds or simple substances containing phosphorus (P) | . . Metals or metal element compounds | . . . Alkali metal elements | . . . Alkaline earth metal elements | |||
| AA11 | AA12 | |||||||||||
| . . . Antimony (Sb) | . . . Aluminum (Al) | |||||||||||
| AA21 | AA22 | AA23 | AA24 | AA25 | AA26 | AA27 | AA28 | AA29 | AA30 | |||
| . Organic substances | . . Compounds containing metal elements | . . Compounds containing sulfur (S) | . . Compounds containing hydroxyl groups | . . Compounds containing halogens | . . . Bromine (Br) | . . . Halogens and rings | . . . . Bromine (Br) and rings | . . Compounds containing nitrogen (N) | . . . Heteroatomic nitrogen atoms | |||
| AA31 | AA32 | AA33 | AA34 | AA35 | AA36 | AA37 | AA38 | AA39 | AA40 | |||
| . . . Nitrogen (N) and sulfur (S) | . . . Nitrogen (N) and halogens | . . . . Nitrogen (N) and bromine (Br) | . . Compounds containing phosphorus (P) | . . . Phosphoric acid esters | . . . Phosphorus (P) and sulfur (S) | . . . Phosphorus (P) and halogens | . . . Phosphorus (P) and nitrogen (N) | . . . . Phosphorus (P), nitrogen (N), and halogens | . . . . Phosphorus (P) and heteroatomic nitrogen atoms | |||
| AA41 | AA42 | AA43 | AA44 | AA45 | AA46 | AA47 | AA48 | AA49 | ||||
| . Synthetic macromolecular compounds | . . Organic compounds | . . . Compounds containing halogens | . . . Compounds containing nitrogen (N) | . . . . Nitrogen (N) and halogens | . . . Compounds containing phosphorus (P) | . . . . Phosphorus (P)and halogens | . . . . Phosphorus (P) and nitrogen (N) | . . . Compounds containing silicon (Si) | ||||
| AB | AB00 PURPOSE OR SHAPE OF THE COMPONENTS |
AB01 | AB02 | AB03 | AB04 | |||||||
| . Fibers | . Coating or sealing in granular substances | . Increase in volume or expansion | . Heat absorption | |||||||||
| BA | BA00 APPLICATIONS OR USE |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | |||||
| . Sealing or putties | . Use with cellulose, paper, or lumber | . Heat insulation | . Coating, lamination, or surface application | . Dissolving or dispersing | . Mixing with suitable substances |