Dimensional Tolerances & Chemical Analysis

Dimensional Tolerances

A,B,BZ,SC 4-40 2.5% --- 2% 10% 10%
SC,SCH 95-216 --- 2mm 1.0% 10% 15%
SCR(*) 150-350 --- 2mm 0.5% 20% 20%
SCR 351-500 --- 2mm 0.5% 25% 25%
Mid range fused quartz tubes (41-80) dimensional tolerance given on request.
Tighter tolerances can be supplied on request.

 

Chemical Analysis, ppm (typical)

SG25 15 0.3 0.7 0.6 0.7 0.6 0.2 <0.2 <0.1 <0.1 <1.0 1.0 0.9
SG26 15 0.3 0.7 0.6 0.7 0.6 0.2 <0.2 <0.1 <0.1 <1.0 1.0 100.0
SG27 9 0.3 0.2 0.2 0.2 0.5 <0.2 <0.2 <0.1 <0.1 <1.0 0.5 1.2
SG28 15 0.3 0.1 0.6 <0.1 0.6 0.2 <0.2 <0.1 <0.1 <1.0 1.0 0.9
SG29 9 0.3 0.1 0.2 0.1 0.5 <0.2 <0.2 <0.1 <0.1 <1.0 0.5 1.2