The non-solvent content of an adhesive by weight, expressed as a percentage. 100% solids means there are no additives. 75% solids has 25% solvents.
                                                            
                                                     
                        
                                                
                        
                        
                            The percentage weight of non-volatile components in an ink, coating or adhesive.
                                                            
                                                     
                        
                                                
                        
                        
                            The percentage of nonvolatile matter that may be measured in volume or weight.
                                                            
                                                     
                        
                                                
                        
                        
                            The weight percentage of rosin (solids) in a flux formula.