100% Dimethylpolysiloxane

Sources disagree

More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.

Agilent equivalents

glsciencesinc.com says agilent equivalents is DB-1ms UI, HP-1ms UI, VF-1ms, CP-Sil 5 CB Low Bleed/MS, as of 2026-08-15.

InertCap 1MS G1, G2, G38 100% Dimethylpolysiloxane DB-1ms UI, HP-1ms UI, VF-1ms, CP-Sil 5 CB Low Bleed/MS Rxi-1ms BPX1 ZB-1 Plus TR-1MS Equity-1 007-1 Optima-1ms

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

glsciencesinc.com says agilent equivalents is DB-1, HP-1, ULTRA-1, CP-Sil 5 CB, as of 2026-08-15.

InertCap 1 G1, G2, G38 100% Dimethylpolysiloxane DB-1, HP-1, ULTRA-1, CP-Sil 5 CB Rtx-1 BP1 ZB-1 TR-1 SPB-1 ENV-1 HR-1 UA + -1(S) , UA + -1 007-1 VB-1 MEGA-1 Optima-1 AT-1, EC-1 Elite-1, PE-1 DA-1 AB-1

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

Restek equivalents

glsciencesinc.com says restek equivalents is Rxi-1ms, as of 2026-08-15.

InertCap 1MS G1, G2, G38 100% Dimethylpolysiloxane DB-1ms UI, HP-1ms UI, VF-1ms, CP-Sil 5 CB Low Bleed/MS Rxi-1ms BPX1 ZB-1 Plus TR-1MS Equity-1 007-1 Optima-1ms

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

glsciencesinc.com says restek equivalents is Rtx-1, as of 2026-08-15.

InertCap 1 G1, G2, G38 100% Dimethylpolysiloxane DB-1, HP-1, ULTRA-1, CP-Sil 5 CB Rtx-1 BP1 ZB-1 TR-1 SPB-1 ENV-1 HR-1 UA + -1(S) , UA + -1 007-1 VB-1 MEGA-1 Optima-1 AT-1, EC-1 Elite-1, PE-1 DA-1 AB-1

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

Phenomenex equivalents

glsciencesinc.com says phenomenex equivalents is ZB-1 Plus, as of 2026-08-15.

InertCap 1MS G1, G2, G38 100% Dimethylpolysiloxane DB-1ms UI, HP-1ms UI, VF-1ms, CP-Sil 5 CB Low Bleed/MS Rxi-1ms BPX1 ZB-1 Plus TR-1MS Equity-1 007-1 Optima-1ms

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

glsciencesinc.com says phenomenex equivalents is ZB-1, as of 2026-08-15.

InertCap 1 G1, G2, G38 100% Dimethylpolysiloxane DB-1, HP-1, ULTRA-1, CP-Sil 5 CB Rtx-1 BP1 ZB-1 TR-1 SPB-1 ENV-1 HR-1 UA + -1(S) , UA + -1 007-1 VB-1 MEGA-1 Optima-1 AT-1, EC-1 Elite-1, PE-1 DA-1 AB-1

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

Supelco/Merck equivalents

glsciencesinc.com says supelco/merck equivalents is Equity-1, as of 2026-08-15.

InertCap 1MS G1, G2, G38 100% Dimethylpolysiloxane DB-1ms UI, HP-1ms UI, VF-1ms, CP-Sil 5 CB Low Bleed/MS Rxi-1ms BPX1 ZB-1 Plus TR-1MS Equity-1 007-1 Optima-1ms

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

glsciencesinc.com says supelco/merck equivalents is SPB-1, as of 2026-08-15.

InertCap 1 G1, G2, G38 100% Dimethylpolysiloxane DB-1, HP-1, ULTRA-1, CP-Sil 5 CB Rtx-1 BP1 ZB-1 TR-1 SPB-1 ENV-1 HR-1 UA + -1(S) , UA + -1 007-1 VB-1 MEGA-1 Optima-1 AT-1, EC-1 Elite-1, PE-1 DA-1 AB-1

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

Thermo Fisher equivalents

glsciencesinc.com says thermo fisher equivalents is TR-1MS, as of 2026-08-15.

InertCap 1MS G1, G2, G38 100% Dimethylpolysiloxane DB-1ms UI, HP-1ms UI, VF-1ms, CP-Sil 5 CB Low Bleed/MS Rxi-1ms BPX1 ZB-1 Plus TR-1MS Equity-1 007-1 Optima-1ms

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

glsciencesinc.com says thermo fisher equivalents is TR-1, as of 2026-08-15.

InertCap 1 G1, G2, G38 100% Dimethylpolysiloxane DB-1, HP-1, ULTRA-1, CP-Sil 5 CB Rtx-1 BP1 ZB-1 TR-1 SPB-1 ENV-1 HR-1 UA + -1(S) , UA + -1 007-1 VB-1 MEGA-1 Optima-1 AT-1, EC-1 Elite-1, PE-1 DA-1 AB-1

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

SGE/Trajan equivalents

glsciencesinc.com says sge/trajan equivalents is BPX1, as of 2026-08-15.

InertCap 1MS G1, G2, G38 100% Dimethylpolysiloxane DB-1ms UI, HP-1ms UI, VF-1ms, CP-Sil 5 CB Low Bleed/MS Rxi-1ms BPX1 ZB-1 Plus TR-1MS Equity-1 007-1 Optima-1ms

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

glsciencesinc.com says sge/trajan equivalents is BP1, as of 2026-08-15.

InertCap 1 G1, G2, G38 100% Dimethylpolysiloxane DB-1, HP-1, ULTRA-1, CP-Sil 5 CB Rtx-1 BP1 ZB-1 TR-1 SPB-1 ENV-1 HR-1 UA + -1(S) , UA + -1 007-1 VB-1 MEGA-1 Optima-1 AT-1, EC-1 Elite-1, PE-1 DA-1 AB-1

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

Macherey-Nagel equivalents

glsciencesinc.com says macherey-nagel equivalents is Optima-1ms, as of 2026-08-15.

InertCap 1MS G1, G2, G38 100% Dimethylpolysiloxane DB-1ms UI, HP-1ms UI, VF-1ms, CP-Sil 5 CB Low Bleed/MS Rxi-1ms BPX1 ZB-1 Plus TR-1MS Equity-1 007-1 Optima-1ms

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex

glsciencesinc.com says macherey-nagel equivalents is Optima-1, as of 2026-08-15.

InertCap 1 G1, G2, G38 100% Dimethylpolysiloxane DB-1, HP-1, ULTRA-1, CP-Sil 5 CB Rtx-1 BP1 ZB-1 TR-1 SPB-1 ENV-1 HR-1 UA + -1(S) , UA + -1 007-1 VB-1 MEGA-1 Optima-1 AT-1, EC-1 Elite-1, PE-1 DA-1 AB-1

https://www.glsciencesinc.com/gc-column-equivalent-list-comparison-chart-agilent-restek-phenomenex