Cas No. 50-32-8 Molecular formula C20H12 Molecular weight 252.31 Alias ​​Benzo (a) pyrene standard solution Benzo (a) pyrene in methanol Colorless to pale yellow needle crystal, insoluble in water, slightly soluble in ethanol, methanol, soluble in benzene , Toluene, xylene, chloroform, ether, acetone, etc. Boiling point: 495 ℃ Melting point: 177-180 ℃ Density: 1.35 Precautions for use: Balance before use to 20 ± 5 ℃, shake the ampoule to ensure uniformity. When diluting, please accurately calculate the dilution factor. The validity period is 12 months. Store at room temperature (<10 ℃) and protected from light. Product use This product has no production and use value in industry, and is generally only used as a by-product formed during the production process and is discharged with exhaust gas. Calibration instruments and devices; evaluation methods; working standards; quality assurance / quality control; others.
High speed Extrusion coating & Lamination line is the high performance unit that designed by SUNNY, specially designed for duble-side paper lamination machine.
Machine adopts PE, PP, PET, EVA, EAA raw material, co-extruding and laminating with paper and aluminium foil. It is suitable for food packaging materials like cupstock, liquid aseptic packaging paper, cake wrapping paper, instant noodles bowl paper etc. The production is widely used in the instant food aseptic packaging like paper plastic aluminum vrick package, pilow pounch and so on.
Extrusion coating and lamination line for special applications including high barrier film for food and medical applications, reinforced sheeting for industrial uses, and special lamination products.
Extrusion Coating Machine,Extrusion Laminating Machine,Plastic Extrusion Coating Machine,Extrusion Lamination Coating Machine
Sunny Machinery Factory , https://www.stsunnymachine.com