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Factory Wholesale Purity 95% Complex Sodium Di-silicate Powder for Replacing STPP
US$399.00-699.00
26 Tons
Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

CAS No.

1344-09-8

Formula

Na2O.2SiO2

Model NO.

22001

EINECS

215-687-4

Certification

ISO

Purity

95%

Type

Sodium Silicate

Appearance

Powder

Grade Standard

Industrial Grade

Application

Replacing STPP to make detergent powder

Molecular weight

182

Ca2+ exchange capacity (CaCO3 mg/g)

550 min

Mg2+ exchange capacity (MgCO3 mg/g)

100 min

SiO2 content

25% min

Shelf Life

24 months

Transport Package

PP woven bags with PE liner

Specification

25kg / 650kg / 800kg

Trademark

RAWCHEM

Origin

China

HS Code

3824999999

Production Capacity

100,000 t/a

Key features

STPP Replacement: Effective alternative to STPP for detergent powder with lower cost and no phosphorus pollution.
High Purity: Industrial grade powder with 95% minimum purity and 85% minimum whiteness.
Water Softening: Excellent Ca2+ exchange capacity (550 mg/g) and Mg2+ exchange capacity (100 mg/g).
Low Temp Performance: Maintains strong performance and pH buffering ability in low-temperature water.
Broad Compatibility: Compatible with various surfactants and bleaching agents; anti-sediment properties.
Eco-Friendly: Phosphorus-free formula reduces water pollution compared to traditional builders.
Long Shelf Life: Real shelf life exceeds 2 years when stored properly in sealed bags away from moisture.
Global Supply: Supplier with over 60% of China's total export volume for disilicate series products.

Company profile

LK (NANJING) CO., LTD.
High Repeat Buyers ChoiceQuality AssuranceDigital Management EnterpriseYears of Export Experience
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2008-06-04Nearest Port: shanghai ,ningbo ,qingdao ,tianjinAverage Response Time: ≤10.75hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

About Our Factory & Business Background

Address3310, 2north Zhongshan Road, Nanjing, Jiangsu, China
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSodium Lauryl Ether Sulfate (SLES), Linear Alkyl Benzene Sulphonic Acid (LABSA), Sodium Polyacrylate, Ethylene Diamine Tetraacetic Acid (EDTA), Modified Sodium Disilicate (Msd), Active Poly Sodium Metasilicate (Apsm), Sodium Silicate Powder/ Lumps, Potassium Silicate Powder, Mono Penta-Erythritol, Detergent Beads (Laundry Pods)

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What is the main function of this product in detergent systems?
A:
It serves as a replacement for STPP in detergent formulations, offering a lower price and eliminating phosphorus pollution to water systems.
Q:What are the key physical characteristics of the powder?
A:
It is a white granular powder with 95% min solid content, 5% max moisture, and a bulk density of 0.35-0.60 g/cm3 depending on granularity.
Q:How does this product compare to Zeolite and STPP?
A:
It offers better Ca exchange capacity (550 mg/g) than Zeolite (295 mg/g) and STPP (158 mg/g), with higher whiteness and no odor, though it lacks STPP's anti-caking properties.
Q:Can this product completely replace STPP?
A:
No, it cannot completely replace STPP because it lacks the emulsifying, dispersing, and anti-caking properties that STPP provides for protein solubility and moisture absorption.
Q:What is the shelf life of the product?
A:
While the COA lists 2 years, the actual shelf life is much longer if stored in sealed bags away from direct sunlight, moisture, and incompatible chemicals.

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