|Testing Item||Testing Requirement|
|Appearance||Fine white powder; soluble in methylbenzene, ethyl alcohol and other organic solvent|
|Calcium Content, %||6.5± 0.6|
|Free acid, %||≤0.5|
|Loss on drying, %||≤3.0|
|Melting point, ℃||140.0~158.0|
|Fineness, %||325 mesh ≤99.0|
(2) Also, Calcium stearate is applied in the innoxious soft film, such as food packing and medicine apparatus, Calcium stearate can effectively improve film’s stability.
(3) Calcium stearate is stabilizer & lubricant in PVC and PE. Calcium stearate is halogen adsorbent in PE and PP, can eliminate the poor effect on resin’s color and stalibility because of catalyst remains.
(4) Besides it is widely used to improve plastic&rsquo’s thermostability, better plastic’s air-conductivity, in future Calcium stearate will replace noxious stabilizer with same functions.
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