Accurate Gas Detection, Made Simple
Gas Detector Corporation’s detector tubes are the trusted choice for industries worldwide, offering quick, cost-effective, and precise measurement of hazardous gases.
Polytec Tubes
Polytec tubes are quick, reliable tools used to identify unknown gases in the environment. They are widely trusted by emergency responders as they instantly indicate the presence of various gases, enabling faster decision-making during hazardous situations.
Continuous monitoring without interruption
Provides TWA exposure levels for critical safety compliance
Compact, lightweight, and easy to use with dositube holders
Types of Polytec Tubes
There are 6 types of Polytec tubes, each designed with 1–8 reaction layers to detect multiple gases at once. A single tube with a hand pump can analyze different substances simultaneously.
Polytec I (No.107)
Detects a wide range of gases with one tube
Color change indicates the type of gas present
Simple, portable, and highly efficient for field use
Detectable Gases & Indicators
| Substance | Min. Concentration | Colour Change |
|---|---|---|
| Carbon Disulphide | ≥ 1 ppm | Green |
| Hydrogen Sulphide | ≥ 1 ppm | Green |
| Carbon Monoxide | ≥ 10 ppm | Green / Brown |
| Acetone | ≥ 1000 ppm | Brown / Green |
| Acetylene | ≥ 10 ppm | Brown / Green |
| Ethylene | ≥ 70 ppm | Brown / Green |
| Benzene | ≥ 20 ppm | Brown |
| Propane, Propylene | ≥ 100 ppm | Brown |
| Styrene | ≥ 10 ppm | Yellow / Brown |
| Trichloroethylene | ≥ 15 ppm | Pale Brown |
| Gasoline | ≥ 100 ppm | Brown |
| Toluene, Xylene | ≥ 10 ppm | Purple |
Qualitative analysis tube for fire investigation (No.108)
| Substance | Min. Concentration | Colour Change |
|---|---|---|
| Required Details | Required Details | Required Details |
| Required Details | Required Details | |
| Required Details | Required Details |
Polytec II (No.25)
| Substance | Min. Concentration | Colour Change |
|---|---|---|
| Required Details | Required Details | Required Details |
| Required Details | Required Details | |
| Required Details | Required Details |
Polytec III (No.26)
| Substance | Min. Concentration | Colour Change |
|---|---|---|
| Required Details | Required Details | Required Details |
| Required Details | Required Details | |
| Required Details | Required Details |
Polytec IV (No.27)
| Substance | Min. Concentration | Colour Change |
|---|---|---|
| Required Details | Required Details | Required Details |
| Required Details | Required Details | |
| Required Details | Required Details |
Polytec V(No.28)
| Substance | Min. Concentration | Colour Change |
|---|---|---|
| Required Details | Required Details | Required Details |
| Required Details | Required Details | |
| Required Details | Required Details |
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