Red quartz tube
Quartz glass tube
Density 20¦ kgm3(103)2.2
Coefficient of expansion 25300¦ ¦1(106)0.56
Fp softening point¦1710
P annealing
Sp strain point(¦)1140
E youngs modulus(pa)7.3105
Range of odg
Od
Wt
Siding
Out of rounds+
Bow/1220mm
6mm2.0%10%12%2.0%2.5mm
6.0015.00mm1.25%8%10%1.5%2.5mm
15.0020.00mm1.25%10%15%1.5%2.5mm
20.0025.00mm1.25%10%15%1.5%2.5mm
25.0030.00mm1.35%12%15%1.5%2.5mm
30.0080.00mm1.5%14%15%2.0%2.5mm
