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GC Column Cross-Reference

Columns by Phase

16 Feb 2026

Restek GC columns are built on a foundation of proven performance based on over 40 years of leadership in GC column development. Groundbreaking RMX GC columns—manufactured with next-generation TriMax deactivation—are the latest innovation in GC column technology. RMX columns join our tried-and-true Rxi and Rtx fused silica columns, rugged metal MXT columns, and our specially bonded and stabilized PLOT columns. From start to finish, quality is built in at every step to ensure you get reliable chromatography and accurate results. Available in a wide range of stationary phases, you’ll find the right solution for even your most challenging applications at Restek.

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Fused Silica GC Columns

RestekPhase
Description
USP
Nomenclature
Similar to AgilentSimilar to SGESimilar to PhenomenexSimilar to Machery-NagelSimilar to SupelcoSimilar to Quadrex
Rtx-1dimethyl polysiloxaneG1, G2, G9, G38HP-1, DB-1,
CP-Sil 5 CB
BP1ZB-1OPTIMA 1Equity 1, SPB-1007-1
Rxi-1HTdimethyl polysiloxaneDB-1htZB-1HT inferno007-1HT
Rxi-1msdimethyl polysiloxane
(low bleed)
G1, G2, G9, G38HP-1ms,
HP-1ms UI,
DB-1ms,
DB-1ms UI,
VF-1ms
BP1ZB-1msOPTIMA 1 MS, OPTIMA 1 MS, AccentSLB-1ms007-1MS
NEW!
RMX-5Sil MS
1,4-bis(dimethylsiloxy) phenylene dimethyl polysiloxaneG27, G36DB-5msUI, DB-5Q, DB-5ms, DB-UI 8270DBPX5ZB-5MSPLUS, ZB-SemivolatilesOPTIMA 5 MS AccentSLB-5ms
Rtx-5diphenyl dimethyl polysiloxaneG27, G36CP-Sil 8 CB, DB-5, HP-5BP5ZB-5OPTIMA 5Equity-5, SPB-5007-5
Rtx-5MSdiphenyl dimethyl polysiloxaneG27, G36CP-Sil 8 CB, DB-5, HP-5, HP-5ms, Ultra-2ZB-5, ZB-5MSEquity-5, SPB-5
Rxi-5HTdiphenyl dimethyl polysiloxaneG27, G36DB-5ht,
VF-5ht
HT5ZB-5HTinfernoOPTIMA 5HT007-5HT
Rxi-5msdiphenyl dimethyl
polysiloxane
(low bleed)
G27, G36HP-5ms UIBP5MSZB-5plusOPTIMA 5 MSSPB-5007-5MS
Rxi-5Sil MS1,4-bis(dimethylsiloxy)
phenylene dimethyl
polysiloxane
G27, G36DB-5msUIBPX5ZM-5MS plusOPTIMA 5 MS AccentSLB-5ms
RMX-5Sil MS1,4-bis(dimethylsiloxy) phenylene dimethyl polysiloxaneG27, G36DB-5msUI, DB-5QBPX5ZB-5MSPLUS, ZB-SemivolatilesOPTIMA 5 MS AccentSLB-5ms
Rxi-XLBproprietary phaseDB-XLB,
VF-Xms
MR1, ZB-XLBOPTIMA XLB
Rtx-20diphenyl dimethyl
polysiloxane
G32SPB-20007-20
Rtx-35diphenyl dimethyl
polysiloxane
G42HP-35, DB-35ZB-35SPB-35007-35
Rxi-35Sil MSproprietary phaseG42VF-35msBPX35, BPX608MR2OPTIMA 35 MS007-35MS
Rtx-50phenyl methyl
polysiloxane
G3HP-50+SPB-50007-17
Rxi-17diphenyl dimethyl
polysiloxane
G3DB-17ZB-50OPTIMA 17
Rxi-17Sil MSproprietary phaseG3DB-17msBPX50ZB-50OPTIMA 17 MS007-17MS
Rtx-65diphenyl dimethyl
polysiloxane
007-65HT
Rxi-624Sil MSproprietary phaseG43VF-624msBPX-VolatilesZB-624plus007-502, 007-608, 007-624
Rxi-1301Sil MSsilarylene-based cyanoG43VF-1301msZB-624plus007-502, 007-608, 007-624
Rxi-LAOmidpolarity Crossbond phase
Rxi-SVOCmsProprietary 5% phenyl-type phaseG27, G36DB-5ms, DB-5ms UI, DB-UI 8270DZB-Semivolatiles
Rtx-1301
Rtx-624
cyanopropylmethyl phenylmethyl
polysiloxane
G43CP-Select 624 CB, DB-1301,
DB-624,
DB-624UI,
DB-Select 624UI
BP624ZB-624OPTIMA 1301, OPTIMA 624SPB-624007-1301, 007-502,
007-624
Rtx-1701cyanopropylmethyl phenylmethyl
polysiloxane
G46DB-1701P,
DB-1701,
VF-1701 Pesticides
BP10ZB-1701,
ZB-1701P
OPTIMA 1701Equity-1701007-1701
Rtx-200trifluoropropylmethyl polysiloxaneG6DB-210,
DB-200
OPTIMA 210
Rtx-200MStrifluoropropylmethyl polysiloxane
(low bleed)
G6VF-200ms
Rtx-225cyanopropylmethyl phenylmethyl
polysiloxane
G7, G19DB-225msBP225OPTIMA 225SPB-225007-225
Rtx-440proprietary phaseRestek Innovation
Rtx-2330biscyanopropyl cyanopropylphenyl
polysiloxane
G5, G8VF-23msBPX70SP-2330,
SP-2331,
SP-2380
Rt-2560biscyanopropyl polysiloxaneG5ZB-FAMESP-2560SLP-2560
Rtx-5 Amine5% diphenyl 95% dimethyl polysiloxaneOPTIMA 5 Amine
Rxi-PAHproprietary phaseG51Restek Innovation
Rtx-Waxpolyethylene glycolG16, G47CP-Wax 52 CB, DB-Wax, DB-WAX UIBP20ZB-WaxOPTIMA WAXBRT-CW
FAMEWAXpolyethylene glycolG16Omegawax
Stabilwaxpolyethylene glycolG16, G47HP-INNOWaxZB-WAXplusSUPELCOWAX 10007-CW
Stabilwax-DApolyethylene glycol modified for acidsG25, G35CP-FFAP CB, CP-Wax 58 FFAP CB, DB-FFAP, HP-FFAP, VF-DABP21ZB-FFAPOPTIMA FFAP, OPTIMA FFAP Plus, PERMABOND FFAPNukol
Stabilwax-DBpolyethylene glycol modified for basesCAM, CP-Wax 51FS-CW 20 M-AMCarbowax Amine
Stabilwax-MSpolyethylene glycolG16, G47VF-WAX MSSUPELCOWAX 10007-CW

MXT GC Columns

RestekPhase
Description
USP
Nomenclature
Similar to AgilentSimilar to SGESimilar to PhenomenexSimilar to Machery-NagelSimilar to SupelcoSimilar to Quadrex
MXT-1dimethyl polysiloxaneG1, G2, G9, G38DB-1, DB-PS1BP1UAC-1, UAC-1MS
MXT-1HT SimDistdimethyl polysiloxaneG1, G2, G9, G38CP-SimDistZB-1XT SimDistUAC-SIM
MXT-5diphenyl dimethyl polysiloxaneG27, G36DB-PS5, VF-5ht UltiMetalUAC-5, UAC-5MS
MXT-50phenyl methyl
polysiloxane
G3UAC-17
MXT-65TGdiphenyl dimethyl polysiloxaneCP-TAP-CB UltimetalUAC-65HT
MXT-1301cyanopropylmethyl phenylmethyl
polysiloxane
G43DB-PS1301,
DB-PS624
UAC-624
MXT-1701cyanopropylmethyl phenylmethyl
polysiloxane
G46DB-PS1701UAC-1701
MXT-200trifluoropropylmethyl polysiloxaneG6
MXT-WAXpolyethylene glycolG16CP-Wax 52 CB, DB-PSWAXZB-WAXplusUAC-CW

PLOT GC Columns

Restek
(Phase Description)
USP
Nomenclature
Porous
Layer
ApplicationSimilar to Agilent
(J&W, Varian, Chrompack)
Similar to SupelcoSimilar to Quadrex
Rt-Alumina BOND/Na2SO4Aluminum oxideC1-C5 hydrocarbons purity analysis of ethylene, propylene, butenes, and halocarbonsCP-Al203/Na2SO4,GS-AluminaAlumina-sulfate
MXT-Alumina BOND/Na2SO4Aluminum oxideC1-C5 hydrocarbons purity analysis of ethylene, propylene, butenes, and halocarbonsCP-Al203/Na2SO4
Rt-Alumina BOND/KClAluminum oxideC1-C8 hydrocarbons; C1-C5 isomers purity analysis of ethylene, propylene, butene, and butadieneGS-Alumina KCl,
HP PLOT Al203,
CP-Al203/KCl
Alumina-chloride 
Rt-Alumina BOND/CFCAluminum oxideMulti-halogenated alkanes, C1-C5 range chlorofluorocarbons (CFC)Unique Product
Rt-Alumina BOND/MAPDAluminum oxideTrace analysis of methyl acetylene, propadiene, and acetyleneSelect Al203 MAPD
MXT-Alumina BOND/MAPDAluminum oxideTrace analysis of methyl acetylene, propadiene, and acetylene
Rt-Msieve 5AMolecular sieve 5APermanent gas analysis (He, Ne, Ar, O2, N2, Xe, Rn, CH4, and CO)CP-Molsieve 5A, HP-PLOT MolesieveMolsieve 5APLT-5A
MXT-Msieve 5AMolecular sieve 5APermanent gas analysis (He, Ne, Ar, O2, N2, Xe, Rn, CH4, and CO)
Rt-Q-BOND
(nonpolar porous polymer)
100% DivinylbenzeneHigh retention for solvents, alcohols, polar volatiles, CO2, and ppm-level water in solventsHP-PLOT Q, PoraBOND Q, PoraPLOT QSupel-Q-PLOTPLT-Q
MXT-Q-BOND (nonpolar porous polymer)G45100% DivinylbenzeneHigh retention for solvents, alcohols, polar volatiles, CO2, and ppm-level water in solventsPoraPLOT Q,
Ultimetal
PLT-Q 
Rt-QS-BOND
[intermediate polarity porous polymer (polarity between Q-BOND and S-BOND)]
Intermediate polarity porous polymerNeutral solvents, ketones, esters, and hydrocarbons; baseline separation of ethane, ethene, and acetyleneGS-Q
Rt-S-BOND
(intermediate polarity porous polymer)
DVB vinylpyridine polymerLight gases in ethylene and propylene; ketones, esters, hydrocarbonsPoraPLOT S
Rt-U-BOND
(polar porous ploymer)
G45DVB ethylene glycol-dimethylacrylate polymerMore retention for polar compounds; trace H2S, COS, and mercaptans in hydrocarbon streamsHP PLOT U,
PoraBOND U,
PoraPLOT U

If you’re running other applications, use our Pro EZGC Chromatogram Modeler to find the best Restek GC column for your analyte list.

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GNOT3472
Version: D