Products

METAL POWDER PRODUCTS

SILVER POWDER


Silver Powder (SP-1 grade):

Parameters AD

(g/cc)
Particle size – Fisher Number
(FSSS)
(µm)
Chemical analysis Application
Total metallic impurities
(%)
*Silver(by dif)
(%)
 
Test Methods Trade Mark
(ASTM B-417) (ASTM B-330) (AAS)
SP 1 0.8 - 1.6 15 max 0.1 max 99.9 min

AAS-Atomic Absorption Spectrophotometer
*(exclusive of total other metallic impurities and inclusive of oxide of silver)
Spongy Granular shape

(used for Catalyst in manufacture of ethylene, Chemicals, Dental amalgams, Electrical contacts, Jewellery, Low temperature brazing alloys, Mirrors, Pharmaceuticals, Photographic chemicals, Silver plating, Sterilant applications etc,)

Silver Flake Powder (SP-2 grade):

Parameters Particle Size - Wet Sieve AD

(g/cc)
Particle size – Fisher Number
(FSSS)
(µm)
Fatty matter

(%)
Water coverage

(cm2/g)
Silver

(%)
Application
>75 µm
(%)
>45 µm
(%)
 
Test Methods Trade Mark
(ASTM D-185) (ASTM B-417) (ASTM B-330) (ISO-1247) (Volumetry)
SP 2 0.1 max 2 max 0.9 - 1.5 1 max 1.5 max 4000 min 98 min

Wet sieving with mineral spirit as rinsing liquid.
Flakes

(Used in Carbon Blocks & Brushes, Chemicals, Conductive coatings for electrical & electronic applications, Contact materials, Diamond Tools, Glass, Medicines, Powder metallurgy parts, Printing, Silver plating, Soldering applications etc.)