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Crystallization point (℃) : ≥78.0
Nonvolatile matter (%) : ≤0.04
Ash (%) : ≤0.01
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Product Descriptions
Technical naphthalene is a basic chemical raw material, mainly used in the production of water reducers, diffusers, is the production of synthetic resins, plasticizers, rubber antioxidants, surfactants, synthetic fibers, dyestuffs, pharmaceuticals and fragrances and other raw materials.
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softening point（℃）：85-95
toluene insoluble substance（%）：8.0-10.0
Quinoline insoluble substance（%）：0.5-3.0
Coking value（%）：47
Ash（%）：0.05-0.20
Density: 1.1
Melting point: 243-246 °C (lit.)
Boiling point: 355 °C (lit.)
Flash point: 220 °C
Vapor pressure: 400 mm Hg ( 323 °C)
Solubility: Acetone: Soluble 50 mg/mL
Refractive index: 1.6192 (estimate)
Acidity Factor: 17.00±0.30 (Predicted)
Storage condition: Store below +30°C.
Stability: Stable.
Flammability: Incompatible with strong oxidizers, nitrogen oxides, potassium hydroxide
Densities (20℃) g/cm³: 1.17-1.23
Moisture content (%) : ＜1.0
SUS viscosity (cp) : ＜200
Toluene insoluble substance (%) : ＜12
Ash (%) : ＜0.1
Sulphur content (%) : ≤1.0
Densities (20℃) g/cm³: 1.03-1.06
Outputs distillation before 230°C (V) %: ≤3
Outputs distillation before 300°C (V) %: ≥90
Naphthalene content (%) : ≤10
Phenol content (%) : ≤0.6
Moisture (%) : ≤1.0
Crystalline material 15℃: No
The medium-temperature asphalt produced by the company supports customization, the product index range, the softening point is 85 °C-90 °C, the toluene insoluble matter is 19%-22%, the quinoline insoluble matter is 4%-6%, the coking value is 50%-53%, the β value is ≥ 15, and the volatile content is 59%-62%
