... the formaldehyde resin (melamine resin), and owns the advantages of unharmful, heatproof, antiaging, high luster, good insulation and ... processing and wood working, is also the chemical raw material of coating, papermaking, textile, paints and leather processing industry. ... 5-9.5ASH CONTENT%0.030.05THROUGH THE TEST OF FORMALDEHYDE SOIUBILITY TURBILITY(CHINA-CLAY)≤2030CHROMA(HaZen)UNIT COLOURITY2030 ...