refined nepthalene powder 99.5%

Description

Refined Naphthalene powder 
  
Introduction: 
Industrial Naphthalene  is  white, reddish or yellowish flake crystallization. It has 

specialodour and it is easy to volatilize and sublimate. The highest allowed density in the air  
is 10 ppm, specific gravity is 1.162, melting point is 80.1, boiling point is 217.9, flashing 
 point is 78.89, and spontaneous ignition point is 526. Explosion limit: Dust lower limit  
is 2.5 g/m2, steam 0.9~5.9%. It belongs to the second  class flammabe solid. It is mainly made up of naphthalene.

Application: 
  
It is the main raw material of producing phthalic anhydride, dyestuff, resin , α- naphthalene acid,saccharin and so on. 
  
Specification:  
                                             Industrial Naphthalene 
Item                                  Index 
                                         High-class Product   First-class product  Qualified Product 
Appearance White(reddish or yellowish powder allowed) flake crystallization 
Crystallization Point(oc, ≥) 78.3                        78.0                        77.5 
Nonvolatile Matter(%, ≤)    0.04                        0.06                        0.08 
Ash (%, ≤)                           0.01                       0.01                        0.02 


Company Information

Xingtai Shangda Commerce and Trade Co.,Ltd. is a enterprise group with business in disparate fields . Which is located in Xingtai --the "around capital economic and trade circles". We are engaged in high quality Welding Consumables ,Arc Spray wire ,Metallic Powder ,Metal wire,and Wire Nails , Steel Nails, nails making machine. Recent years, Shangda expand the product range,to Introduce competitive product lineNew Fuel Mineral materials, Steelmaking materials and Casting materials, our company has established a long-term and cooperative relationship with our Local factories .