Grace Catalog 2008

gas chromatography
Septa
3- and 4-Layer Septa
• Excellent sealing characteristics
• Maximum temperature of 300ºC (3-layer) and
225ºC (4-layer)
The 3-Layer Septa consists of a layer of red silicone rubber,
a layer of translucent soft silicone rubber and another layer
of red silicone rubber. The 4-Layer Septa is the same but with
a 10-mil (0.010") PTFE facing.
Microsep ® PTFE-Lined Septa
• Maximum temperature of 250ºC
• Off-white silicone rubber with an ivory PTFE backing
4593
gc accessories | septa
3-Layer Septa
4595 4594
4-Layer Septa
3- and 4-Layer Septa
Size (o.d.) Qty. Part No.
3-Layer Septa
3/8" (9.5mm) 100 7836
7/16" (11mm) 100 7838
1/2" (12.5mm) 100 7840
4-Layer Septa
3/8" (9.5mm) 100 7844
7/16" (11mm) 100 7846
1/2" (12.5mm) 100 7848
High-Temperature, Ultra Low-Bleed Septa
• Long life, minimum of 450 injections
• Maximum temperature of 350ºC
• Made of 100% premium silicone
• Guide hole in center
• Precision molded
new
Microsep ® PTFE-Lined Septa
Size (o.d.) Qty. Part No.
0.250" (6mm) 12 75801
0.250" (6mm) 100 79391
0.281" (7mm) 12 75810
0.355" (9mm) 12 75803
0.375" (9.5mm) 12 75804
0.375" (9.5mm) 100 79411
0.394" (10mm) 12 75805
0.394" (10mm) 100 79451
0.438" (11mm) 12 75807
0.438" (11mm) 100 79471
0.469" (12mm) 12 75813
0.500" (12.5mm) 12 75806
0.500" (12.5mm) 100 79491
Microsep ® Low-Bleed PTFE-Lined Septa
• Maximum temperature of 250ºC
• Off-white silicone septa with yellow PTFE backing
7434
4591
High-Temperature, Ultra Low-Bleed Septa
Size (o.d.) Qty. Part No.
3/8" (9.5mm) 50 8619148
0.394" (10mm) 50 8619149
7/16" (11mm) 50 8619160
Shimadzu ® Plug 50 8619144
Microsep ® Low-Bleed PTFE-Lined Septa
Size (o.d.) Qty. Part No.
3/8" (9.5mm) 50 7802
3/8" (9.5mm) 2 x 50 78001
3/8" (9.5mm) 20 x 50 78002
7/16" (11mm) 50 7803
7/16" (11mm) 2 x 50 78011
7/16" (11mm) 20 x 50 78012
1/2" (12.5mm) 50 7806
1/2" (12.5mm) 2 x 50 78041
1/2" (12.5mm) 20 x 50 78042
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