Calcium stearate White powder, insoluble in water, cold ethanol and ether, soluble in organic solvents such as hot benzene, benzene and turpentine, slightly soluble in hot ethanol and ether. When heated to 400ºC, slowly decomposed, flammable, in case of strong acid decomposition into stearic acid and the corresponding calcium salt, moisture absorption.
Taisbeanadh bathar
Calcium stearate is also called calcium stearate. White light crystalline powder. Chemical formula (C17H35COO)2Ca. Molecular weight 607.00. Melting point 179 ~ 180℃, subject to high thermal decomposition. Insoluble in water, cold ethanol Chemicalbook and ether, soluble in hot benzene, toluene and turpentine, slightly soluble in hot ethanol and ether. Decompose with strong acid into stearic acid and corresponding calcium salt. It absorbs water in the air. Lipophilic intolerant microorganism. High temperature decomposition to produce stearone and hydrocarbon. Non-toxic.
Tha mòran fhactaraidhean àrd-inbhe againn le co-obrachadh domhainn, a bheir dhut toraidhean àrd-inbhe agus prìsean farpaiseach. Agus is urrainn dhuinn cuideachd lasachaidhean a thoirt seachad airson mòr-cheannach. Tha an ùine lìbhrigidh timcheall air 3-20 latha às deidh dearbhadh pàighidh.
Malairt In-mhalairt agus Às-mhalairt Hebei Disha Co., Earr.
TEISTEANAS NAN AOIS
Assay |
Unit |
Sònrachaidhean |
Apperence |
|
fùdar geal |
Metal Content |
% |
6.6-7.2 |
Heating Loss |
% |
≤3 |
Rubha leaghaidh |
ºC |
150-160 |
Free Fatty Acid |
% |
≤1.0 |
Sieve Residue |
% |
≤1(75μm) |
Ash Content |
% |
/ |
Dè an toradh a tha seo?
Calcium stearate White powder, insoluble in water, cold ethanol and ether, soluble in organic solvents such as hot benzene, benzene and turpentine, slightly soluble in hot ethanol and ether.
Iarrtas
1.Widely air a chleachdadh mar stàball teas ann am bathar cruaidh PVC, le salann luaidhe stèidhichte air salann agus siabann luaidhe, faodaidh e astar gelation a leasachadh.
2.As a halogen absorber in polypropylene and polyethylene, it can eliminate the negative effects of residual catalysts in the resin on the colour and stability of the resin.
3.Also air a chleachdadh mar leann airson snàithleach polyolefin agus cumadh.
4.Used as a mould release agent, plasticizer, thickening agent for grease, waterproofing agent for textiles, smoothing agent for paint industry, etc. in rubber processing.
5.It can also be used as food additive, feed additive, cosmetics, etc.
Roinnean-seòrsa bathar