Product Details : 

• Accuracy : 2%
• Purity : 98.5%
• Grade Standard : Industrial Grade, Chemical Grade

Vehicle Emission Gas:

• 3000ppm propane + 8.0% co + 11.0% co2 bal n2
• 600ppm propane + 1.6% co + 11.0% co2 bal n2
• 1600ppm propane + 8.0% co + 13.0% co2 bal n2
• 1200ppm propane + 4.0% co + 12.0%co2 bal n2
• 125ppm propane bal air
• 40%h2 bal helium