Product: Hydroxyethylcellulose- non-ionic, water-soluble polymer.

---

Function:
Acts as an excellent binder, rheology modifier, and lubricant in the extrusion process, and also provides pencil lead with green strength and reduced cracking.

Product Name: Carboxymethylcellulose- purified sodium salt of carboxymethyl cellulose; water-soluble, anionic polymer.

---

Function:
Acts as an excellent binder, rheology modifier, and lubricant in the extrusion process, and also provides pencil lead with green strength and reduced cracking.