High-Purity Industrial Grade Sodium Tripolyphosphate (STPP) Powder

• Customization: Available
• CAS No.: 7758-29-4
• EINECS: 231-838-7
• Model NO.: STPP-1
• Certification: ISO
• Purity: 90%~99%
• Type: Sodium Tripolyphosphate
• Grade Standard: Industrial Grade
• Transport Package: 25kg/Bag
• Origin: China
• HS Code: 283531
• Production Capacity: 50000mt/Year

Product Description

Product Introduction:
Sodium Tripolyphosphate (STPP) is a versatile phosphate widely used as a detergent builder, food preservative, and industrial water softener. Our STPP offers excellent sequestration, emulsification, and pH buffering properties.

 

Specifications:
 

Parameter	Industrial Grade
P2O5 Content	≥57%
pH (1% solution)	9.2-10.0
Water Insolubles	≤0.1%
Heavy Metals (as Pb)	≤10ppm
Fluoride (F)	≤50ppm

Industry Applications:
 

1. Detergent Industry (60-70% of global use):

   • Builder in laundry/automatic dishwashing detergents

   • Typical dosage: 15-50% in formulations

2. Water Treatment:

   • Scale inhibitor in cooling systems (5-15ppm)

   • Corrosion control agent

3. Ceramic Industry:

   • Deflocculant in clay slips (0.2-0.5% dosage)

4. Other Uses:

   • Leather tanning auxiliary

   • Oil drilling mud additive
      

Storage Conditions:

• Store in dry, ventilated warehouses

• Keep away from moisture and acids

• Shelf life: 24 months in original packaging
   

Packaging Options:

• 25kg PP bags with PE liner

• 1000kg jumbo bags

• Customized packaging available
  
   

  

  

   

Why Choose Our STPP?

-High purity & consistent quality
-Competitive pricing & bulk supply
-Customized packaging options
-Strict quality control (ISO certified)
 

For inquiries or samples, contact us today! We provide technical support and flexible logistics solutions.