Marker paint
AssigneeROLLS-ROYCE plc
InventorsHugh M. L. Watson, Elaine C. Hodgkinson
Life of this patent
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Abstract
A marker paint comprises 42 wt % to 52 wt % pigment, 31 wt % to 37 wt % acrylic resin and 17 wt % to 21 wt % silicone resin excluding solvent. The pigment comprises cobalt titanium oxide, titanium nickel antimony oxide, cobalt aluminum oxide or cadmium sulphide selenium to give a green, yellow, blue or red color respectively. The marker paint is used in conjunction with an irreversible temperature indicating paint to determine if there is any debris and/or dirt on the irreversible temperature indicating paint to affect the accuracy of the temperature measurement of the irreversible temperature indicating paint.
Claims10
A marker paint comprising a pigment, a binder and a solvent, the pigment comprising cobalt titanium oxide, titanium nickel antimony oxide, cobalt aluminium oxide or cadmium sulphide selenium, wherein
- the marker paint comprises 42wt % to 52wt % pigment and the binder comprises 31wt % to 37wt % acrylic resin and 17wt % to 21wt % silicone resin,
- the marker paint is capable of withstanding temperatures up to at least 1100° C, and
- the marker paint does not change color.
Dependencies are inferred from the claim text.