... customer request b.20days after conforming samples 3. Strength: a. Good water solubility b. Break resistant c. Rich color laydown d. ... 100% treated wood e. good sharpenablility f. conformed with ASTM-D4226, ASTM-F963, EN71,1 ... ,2,3,9 + CHAP standards Caught Doing Good, Premium Quality Round/Tri./Hex. HB No.2 Pencil