Toothpaste grade precipitated calcium carbonate
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Toothpaste grade precipitated calcium carbonate
PCC-Toothpaste selects high-quality limestone raw materials, and adopts advanced production technology and standardized on-site management methods. This product has the characteristics of high purity, few black spots, low heavy metal content, regular particle morphology and uniform particle size distribution. When applied to toothpaste production, it will give toothpaste products good appearance, taste and storage stability. The physical and chemical indicators of this product meet the requirements of USP/BP/EP and other standards, and have passed ISO2000\KOSHER\HALAL and other certifications.
|
Test Item |
Specification |
|
COLOR颜色 |
PURE WHITE |
|
ODOR气味 |
ODORLESS |
|
APPEARANCE外观 |
WHITE POWDER |
|
TASTE味道 |
TASTELESS |
|
PH |
8.5—9.5 |
|
PURITY纯度（以CaCO3%计） |
98.0%MIN |
|
APPARENT DENSITY表观密度 |
0.60—0.75G/ML |
|
MOISTURE105℃水份（105℃） |
0.60%MAX |
|
INSOLUBLE MATTER IN ACID 酸不溶物 |
0.20%MAX |
|
FREE ALKALINITY 游离碱（以氧化钠计） |
0.07%MAX |
|
IRON铁含量 |
300PPM MAX |
|
MAGNESIUM镁含量 |
0.30%MAX |
|
WATER ABSORPTION吸水量 |
15.0—18.0ML/15G |
|
WHITENESS白度 |
94MIN |
|
SETTLEMENT BULK (2HOURS/10G) 沉降体积，2小时/10G |
17—22ML |
|
筛余物 RESIDUE THROUGH 325 MESH |
0.1%MAX |
|
HEAVY METALS重金属 |
20PPM MAX |
|
SULFIDE硫化物 |
Nil |
|
LEAD铅 |
3PPM MAX |
|
ARSENIC砷 |
3PPM MAX |
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