Tack – The degree of stickiness of a film during drying.
Tack Cloth - A fabric impregnated with a tacky substance that is used to remove dust from a surface after sanding or rubbing down, and prior to further painting. It should be stored in an airtight container to preserve its tackiness.
Tacky - The stage in the paint’s drying process at which the film is sticky when lightly touched.
Talc – An extender that helps make paint smooth.
Tall Oil – A blend of resin and oil acids obtained as a by-product from sulphate process for making paper.
Tertiary Colors – Colors each made up of mixtures of two secondary colors. Tertiary colors do not appear on the color wheel.
Thermoplastic – Becomes mobile or softens under heat.
Thinner – A volatile liquid used to thin or lower viscosity of paint.
Through Dry – Ability of film to show no loosening, detachment, or evidence of distortion when the thumb, placed on film with maximum pressure is turned through 90 degrees in a plane of film.
Tint – A color thinned or let down with white; also used as a verb to describe the changing of a color by addition of other colors as colorants.
Tinting Base – A base paint, usually white, made to be changed in color by the addition of colorants.
Titanium Dioxide – The most used white pigment since the use of white lead has been restricted.
Toluol/Toluene – Flammable aromatic solvent made by coal tar distillation.
Tone – A value of a color produced by adding gray to the color.
Tone Down – The process of reducing visual prominence.
Toner – Usually referred to as a non-extended pure organic pigment, though some are based on metals.
Tooth - In a dry paint film, a fine texture imparted either by a proportion of relatively coarse or abrasive pigment, or by the abrasives used in sanding; this texture improves the burnish properties and also provides a good base for the adhesion of a subsequent coat of paint.
Top Coating – Finish Coat.
Touch Up - Application of paint on small areas of painted surfaces to repair misses, mars, scratches and places where the coating has deteriorated, in order to restore the finish.
Toxic – Poisonous.
Toxicity – Degree of poisonousness.
Transparent - Having the property of allowing light to permeate without diffusion or scattering; clear.
Triadic Color Scheme - A color scheme using three colors that are equidistant on the color wheel.
Tri-Sodium Phosphate (TSP) - A cleaning compound based on an alkaline material. Because it contains phosphate, its use may be controlled in certain geographical areas.
True – Exact or level or perpendicular as applied to walls.
Trueline Stiping– A parking lot and warehouse line striping / painting company in the U.S.A.
Tung Oil - A fast-drying oil obtained from the nut of the tung tree; also known as chinawood oil. Generally used in fine wood finishing and in spar varnishes.
Turpentine – A colorless, volatile liquid paint thinner derived from pine tree resins.