Sodium Tripolyphosphate-STPP Suppliers, Sodium Tripolyphosphate-STPP Manufacturers.
Molecular?formula:Na5P3O10
Molecular?weight:367.86
CAS?No.:7758-29-4
Standard?Executed:GB/T9983-2004
Guaranteed?Technical?Specifications:
Main?content?(Na5P3O10) |
%≥ |
95.0 |
?P2O5 |
%≥ |
57.0 |
?Water?Insoluble |
%≤ |
0.05 |
?SO4 |
%≤ |
0.4 |
?Iron?(Fe) |
%≤ |
- |
?PH?value?of?1%?solution |
|
9.5-10.0 |
?Heavy?metal?(Pb) |
%≤ |
0.001 |
?Arsenic?(As) |
%≤ |
0.0003 |
?Fluoride?(F) |
%≤ |
0.003 |
?Chloride?(Cl) |
%≤ |
0.025 |
?Whiteness |
%≥ |
85.0 |
Properties:
White?powder;?Melting?point?622οC;
Easily?soluble?in?water;?It?has?got?salient?chelating?capacity?to?ions?of?Ca?and?Mg?etc.?and?can?soften?hard?water?to?make?suspension?solution?become?into?clear?solution;?It?has?got?weak?alkalinity?but?no?corrosiveness.?It?is?a?surfactant,?and?has?got?outstanding?emulsification?to?lubricants?and?fat.?It?has?different?bulk?density,?i.e.?low?density?0.35-0.5g/cm3,?medium?density?0.51-0.65g/cm3?and?high?density?0.66-0.9g/cm3.This?product?has?two?crystalline?forms,?namely?Type?I?(high?temperature?type)?and?Type?II?(low?temperature?type).?The?chemical?properties?of?the?two?types?are?the?same,?and?the?difference?between?them?lies?in?the?thermostability,?hygroscopicity,?solubility?and?hydration?heat?when?dissolving.
Application:Used?as?one?of?the?main?auxiliaries?for?synthetic?detergent,?synergist?for?soap;?water?softener,?tanning?agent?for?leather?making,?auxiliary?for?dyeing;?As?an?effective?dispersion?agent?for?suspension?solutions?of?coatings,?kaolin,?magnesium?oxide,?calcium?carbonate?and?drilling?mud?etc.;?As?an?oil?contamination?resistance?agent?in?paper?production.?In?foodstuff?industry?it?is?used?as?quality?improver?in?the?process?of?canned?food,?fruit?juice?drinks,?foodstuffs?from?milk?or?soybeans.?It?may?tender?the?meat?in?canned?ham?and?soften?the?skin?of?horse?bean?in?canned?horse?bean.?It?may?also?serves?as?a?softener?or?densifier?in?foodstuff?industry.
Packing:Plastic?knit?bag?or?kraft?bag,?net?weight?25kg?or?50?kg.
Storage:Store?at?a?cool,?dry?and?well?ventilated?place.?The?package?must?be?moistureproof?and?well?sealed.?Handle?with?care.?During?transportation,?please?avoid?rains?and?strong?sunshine.?In?case?of?fire,?please?use?water、sandy?soil?or?all?kinds?of?fire?extinguishers?to?quench?it.
Company： |
Zhengzhou Natural Chemical Co., Ltd. |
E-mail： |
chem@netsun.com |
Address： |
No.37 Yard, Huaihe East Road, Erqi District, Zhengzhou, Henan, China (Mainland) |
Zip Code： |
450000 |
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