Wood flour can be used as a binder in grain filler compounds. Spiral-wound gaskets comprise a mix of metallic and filler material. Resin with this type of filler is easier to polish compared to macrofilled. On the other hand, some paints contain large proportions of pigment/filler and binder. Hyaluronic acid is used as a dermal filler in cosmetic surgery. The electrode core itself acts as filler material, making a separate filler unnecessary. The molten pool is generally supplied with additional metal called filler. This results in alternating layers of filler and metal. It is also a popular filler in plastics. It comes in different compositions, variable in content and size of filler particles. Waxed paper was used as a filler and separator. Later, PVC dildos with a softer PVC filler became popular. Later the filler used was industrial slag. In general addition of filler materials will increase the modulus. These payloads contain red phosphorus as an energetic filler.