Standard ground mouth Flask pear shape

Standard grinding flask with good adhesion. The pear shape increases the surface area of the liquid and accelerates solvent evaporation. And if a large amount of oil is prepared, the final oil will flow to the bottom of the pear-shaped bottle, which is beneficial to the removal and reduce the loss. For spin concentration, synthesis reactions can also be carried out.

5013	Flask pear shape Standard ground mouth
Capacity(ml)	Ground mouth	O.D.of bulb(mm)	Height(mm)
10	19/10	30	76
10	14/23	30	79
25	10/19	40	90
25	14/23	40	93
25	19/26	40	95
50	14/23	50	108
50	19/26	50	110
100	14/23	60	118
100	19/26	60	121

Standard ground mouth Flask pear shape (2)

5014	Flask pear shape,with two necks Standard ground mouth
Capacity(ml)	Middle ground mouth	Side ground mouth	O.D.of bulb(mm)	Height(mm)
25	10/19	10/19	40	102
25	14/23	14/23	40	108
25	19/26	14/23	40	110
50	10/19	10/19	50	112
50	14/23	14/23	50	118
50	19/26	14/23	50	120
100	14/23	14/23	60	128
100	19/26	14/23	60	132
100	19/26	19/26	60	132

Product Parameters

BOROSILICATE GLASS
BORO3.3
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	67KNmm-2
Tensile Strength	40-120Nmm-2
Glass stress Optical Coefficient	3.8*10-6mm2/N
Processing Temperature(104dpas)	1220°C
Linear Coefficient of Expansion(20-300°C)	3.3*10-6K-1
Density(20°C)	2.23gcm-1
Specific Heat	0.9jg-1K-1
Thermal Conductivity	1.2Wm-1K-1
Hydrolytic Resistance(ISO 719)	Grade 1
Acid Resistance(ISO 185)	Grade 1
Alkali Resistance(ISO 695)	Grade 2
Thermal Shock Resistance Rod6*30mm	300°C

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