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All of the joint is 24/40,This kits has 8 kinds of parts as below: 1 1000mL Round Bottom Boiling Flask 1PC 2 2000mL Round Bottom Boiling Flask 1PC 3 3 wayThermometer Adapter 1PC 4 Thermometer 1PC 5 Vaccum Take Off Adapter 1PC 6 Liebig Condenser 200mm 1PC 7 plastic clip for 24/29 joint 4PCS 8 2m bleed tube 1PC 9 PH Paper 1-14 2Packs
Be made of G3.3 borosilicate glass
Annealing Point ------560℃
Linear Coefficient of Expansion------ 32×10-7/℃
Softening Point------820℃