Eraser
An eraser for removing strokes of writing, painting and/or drawing tools, including at least one binder and at least one plasticizer. The eraser includes at least one plasticizer in the form of pentaerythritol tetravalerate.
1. An eraser for removing strokes from writing, painting and/or drawing tools, comprising: at least one binder; and at least one plasticizer, wherein, the at least one plasticizer includes pentaerythritol tetravalerate as a first plasticizer component and epoxidized soybean oil (ESBO) as a second plasticizer component, wherein the eraser is composed of:
Binder
20-60%
by weight,
pentaerythritol tetravalerate
10-30%
by weight,
epoxidized soybean oil
10-30%
by weight,
Fillers
0-60%
by weight,
Additives
0-10%
by weight.
2. The eraser according to claim 1 , wherein the at least one binder is from the group comprising polyvinyl chloride (PVC), polyvinyl acetate (PVAc), and polyolefins.
3. The eraser according to claim 1 , further comprising at least one inorganic filler.
4. The eraser according to claim 3 , wherein the at least one inorganic filler is chalk (calcium carbonate), pumice powder, kaolin, glass powder, clay, or talc.
5. The eraser according to claim 1 , further comprising at least one additive from the group comprising colorants, waxes, oils, emulsifiers, stabilizers, and solvents.