
Appearance | Powder or particle |
---|---|
density | 1.02~1.03g/cm3 |
Ash content | ≤0.1% |
Light transmittance % | 425nm ≥97.0 |
Solubility (20°C)%W/W | Acetone 1, benzene 43, chloroform 45, ethyl acetate 5, cyclohexane 20, water <0.01 |
Fusing point | 50°C~182°C |
Volatile matter | ≤0.5% |
Effective substance content | 99% |

Appearance | white crystal |
---|---|
Melting point range, ℃ | 69.0~73.0 ℃ |
Heat reduction, % | 0.1%max. |
Solution Clarification | clarification |
Ash Content | 0.01%max. |
Free Phenol | 0.015%max. |
Sulfuric acid ion content (SO4) | 20ppm max. |
Main Content, % | 99.50%min. |
Heavy metal content (Pb) | 4ppm max |

appearance | Light yellow particles |
---|---|
Melting point , ℃ | ≧ 115 |
Heat reduction, % | ≦ 1.0 |
Ash content | ≦0.5 |
Main content, % | ≧99% |

appearance | White crystalline powder or granule or liquid |
---|---|
Iron content | ≤3ppm |
Heat reduction, % | ≤0.50%(wt) |
Solution clarification | ≤0.50 mgKOH/g |
Crystallization point | 38.0-41.0℃ |
Melt color | ≤60 (Pt-Co) |

Appearance | White powder/particles |
---|---|
Melting point ℃ | 63.5~68.5℃ |
Volatile % | 0.05%Max |
Ash % | 0.01%Max |
Acid value (mgKOH/g) | 0.05Max |