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INCLUDED IN THIS SET: 1x 24/40 2000ml, 2-neck Round Bottom Flask 1x Fractional Distillation Head with Vacuum Port 1x 24/40 Thermometer Adapter 1x 24/40 1000ml Receiving Flask 1x 24/40 250ml Distillation Cow Receiver 3x 24/40 250ml Round Bottom Flask 1x British Iron Stand 250*160mm 1x Chain Clamp Clamping diameter 40-145mm 1x Lab Stand 304stainless steel lifting platform 100*100mm 5x GL-14 Connectors 6x #24 Plastic Clips 1x 2000ml Heating Mantle, 450W, Room Temperature to 300°C 1x 24/40 Cold Trap 1x 14/20 Thermometer Adapter 1x White Bosshead 16mm 1x Iron Ring Paint 100mm 1x 1000-3000ml Cork Ring 1x 250ml Cork Ring BOROSILICATE GLASS 3.3 SPECIFICATIONS SiO2 Content: > 80% Strain Point: 520°C Annealing Point: 560°C Softening Point: 820°C Refractive Index: 1.47 Light Transmission (2mm): 0.92 Elastic Modulus: 67 KNmm-2 Tensile Strength: 40-120 Nmm-2 Glass Stress Optical Coefficient: 3.8x10-6 mm2/N Processing Temperature (104 dpas): 1220°C Linear Coefficient of Expansion (20-300°C): 3.3x10-6 K-1 Density (20°C): 2.23 gcm-1 Specific Heat: 0.9 jg-1K-1 Thermal Conductivity: 1.2 Wm-1K-1 Hydolytic Resistance (ISO 719): Grade 1 Acid Resistance (ISO 195): Grade 1 Alkali Resistance (ISO 695): Grade 2 Thermal Shock Resistance Rod 6x30mm: 300°C