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NK-70 Precipitated Silica Powder

Listing ID #5234862

  • AppearanceSnow white free flowing powder
  • Storage StabilityPractically unlimited under favorable transport/storage condition.
  • Behaviour towards waterHydrophilic
  • Water Absorption230-260%
  • Supply Type Exporter, Supplier, Importer, Trader
  • Preferred Buyer Location All over the world
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Company Information

  • Member Since 5 Years
  • Nature of Business Retailer
  • GST No. 07AKSPD5913H1Z1

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Product Details no_img_icon

  • Appearance Snow white free flowing powder
  • Al2O3 Max 0.2%
  • SiO2 98-99%
  • Fe as Fe2O3 Max 0.3%
  • Storage Stability Practically unlimited under favorable transport/storage condition.
  • Oil Absorption 225-255%
  • Moisture (105°C )2 5 ± 1.5%
  • Behaviour towards water Hydrophilic
  • Refractive Index 1.46
  • Average Particle size – Secondary 14-16μm
  • Ignition Loss (900° C for 2 hrs)³ Max 6%
  • Weight 25Kg
  • Water Absorption 230-260%
  • Surface Area (BET)4 100-1 15 m2/gm
  • Average Particle size – Primary 10-12nm
  • pH (2% acq. solution) 6.2 -7.0
  • Specific Gravity 2 ± 0.02
  • Residue on 300 mesh Max 1.0%
  • R2O3 Max 0.3%
  • Packing Type Bags
  • Bulk Density 0.12 - 0.16gm/cc

Precipitated Silica is used in Tyre industry to improve the tear resistance of truck and heavy equipment tyres and also to enhance adhesion between the metallic reinforcement and the rubber of radial tyres.


This information and our technical advice-whether verbal, in writing or by way of trials are given in good faith but without warranty, and this also applies where proprietary rights of third parties are involved. Our advice does not release you from the obligation to check its validity and to test our products as to their suitability for he intended processes and uses.
The application, use and processing of our products and the products manufactured by you on the basis of our technical advice are beyond our control and, therefore, entirely your own responsibility. Our products are sold in accordance with the current version of our General Conditions of Sales and Delivery.


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STC, the first Buying B2B Platform for SMEs is also the most affordable Raw Material Supplier in India
  • Nature of Business Exporter / Service Provider / Supplier / Retailer / Distributor / Importer / Trader / Buying House
  • Number of Employees Below 20
  • Year of Establishment 2018
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