Custom Gas Mixtures | Gas | Airgas

We use cookies to improve your browsing experience and help us improve our websites. By continuing to use our website, you agree to our use of such cookies. Agree Learn more

Need an Account? Register or Login

Sign up for Email | Need an Account? Register or Login

Find a Branch
Customer Service
SDS Search
Careers

Switch Account
Dashboard

Skip to main content

To see product availability

Enter a Delivery Zip Code

Need an Account? Register or Login

Sign up for Email | Need an Account? Register or Login

Find a Branch
Customer Service
SDS Search
Careers

×

To see product availability

Enter a Delivery Zip Code

OFFERS & REBATES
Industries
Solutions
Resources

TELL US MORE

To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account

Zip Code should not be blank Email and Password should not be blank

Enter Delivery Zip Code

or

Log In

Email Address

Password Show Hide

LOG IN

Forgot Password?

Need an Account? Register

TELL US MORE

Are you currently located in California?

8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)

Password cannot contain space

Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.

No

Yes

Have an account?Login

Gases
Gas Equipment
Welding Products
Safety Products
Tools & Hardware
View All

Home/
Category Page/
Gases/
Mixed Gases

Results For:
By Category
Mixed Gases
Gas Comp Amount1
35.0000000 50.0000000 14.0000000 75.0000000
Gas Comp 2
PPM PHOSPHINE PPM METHANE PPM CARBON DIOXIDE ARGON PPM NITROGEN ETHYLENE PPB BENZENE HELIUM AIR ETHANE PPM CHLORINE PPM OXYGEN

Narrow Results:

{$title}

{$label}

Gas Component Amount 1
25.0000000 (20)

5.0000000 (19)

2.0000000 (16)

10.0000000 (15)

2.5000000 (11)

15.0000000 (7)

100.0000000 (6)

20.0000000 (6)

40.0000000 (5)

80.0000000 (5)

99.9990000 (5)

60.0000000 (4)

90.0000000 (4)

95.0000000 (4)

99.9998000 (4)

99.9999500 (4)

3.0000000 (3)

30.0000000 (3)

1.0000000 (2)

18.0000000 (2)

65.0000000 (2)

8.0000000 (2)

99.5000000 (2)

99.9800000 (2)

0.2000000 (1)

0.4000000 (1)

0.9000000 (1)

1.1000000 (1)

1.1500000 (1)

1.2500000 (1)

12.0000000 (1)

13.5000000 (1)

15.6000000 (1)

2000.0000000 (1)

27.5000000 (1)

3.1400000 (1)

3.4000000 (1)

3.5000000 (1)

31.4100000 (1)

38.0000000 (1)

385.0000000 (1)

4.0000000 (1)

4.5000000 (1)

45.0000000 (1)

500.0000000 (1)

55.0000000 (1)

6.0000000 (1)

75.9800000 (1)

85.0000000 (1)

87.3865000 (1)

96.0000000 (1)

97.7700000 (1)

98.5000000 (1)

98.6500000 (1)

99.7000000 (1)

99.7500000 (1)

99.8500000 (1)

99.8800000 (1)

99.9000000 (1)

99.9100000 (1)

99.9600000 (1)

99.9900000 (1)

99.9920000 (1)

99.9975000 (1)

99.9980000 (1)

99.9992000 (1)

99.9993000 (1)

99.9994900 (1)

99.9995000 (1)

99.9997000 (1)

99.9999000 (1)

99.9999990 (1)

Gas Component 1
% HELIUM (10)

% ARGON (6)

% NITROGEN (6)

% HYDROGEN (3)

% CARBON DIOXIDE (2)

% METHANE (1)

PPM AMMONIA (1)

PPM CARBON MONOXIDE (1)

PPM METHANE (1)

Gas Component Amount 2
25.0000000 (14)

50.0000000 (8)

65.0000000 (3)

99.9950000 (3)

86.0000000 (2)

60.0000000 (1)

Gas Component 2
% CARBON DIOXIDE (24)

% NITROGEN (15)

% HYDROGEN (3)

% METHANE (3)

% CARBON MONOXIDE (1)

% OXYGEN (1)

PPM NITRIC OXIDE (1)

Gas Component Amount 3
5.0000000 (1)

Gas Component 3
% CARBON DIOXIDE (1)

Compare Products Up to 4

Mixed Gases

Sort by:

AR HE50300

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

50% Argon, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:AR HE50300

AR HY35C23

35% Hydrogen, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 350

Show Full Description Hide Full Description

Compare

35% Hydrogen, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 350

Show Full Description Hide Full Description

Airgas Part #:AR HY35C23

X02NI50CC230001

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Compare

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Nitrogen Certified Reference Material, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X02NI50CC230001

AR HY35CS3

35% Hydrogen, Balance Argon Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 350

Show Full Description Hide Full Description

Compare

35% Hydrogen, Balance Argon Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 350

Show Full Description Hide Full Description

Airgas Part #:AR HY35CS3

AR HY35200

35% Hydrogen, Balance Argon Industrial Grade Mix, Size 200 High Pressure Steel Cylinder, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, Size 200 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

35% Hydrogen, Balance Argon Industrial Grade Mix, Size 200 High Pressure Steel Cylinder, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, Size 200 High Pressure Steel Cylinder, CGA 350

35% Hydrogen, Balance Argon Industrial Grade Mix, Size 200 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:AR HY35200

AR HE50C23

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Compare

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

50% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Airgas Part #:AR HE50C23

X02HE75BC230005

25% Argon, Balance Helium Batch Analyzed Mixture, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Batch Analyzed Mixture, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Compare

25% Argon, Balance Helium Batch Analyzed Mixture, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Batch Analyzed Mixture, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Batch Analyzed Mixture, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Batch Analyzed Mixture, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X02HE75BC230005

X03HE60Q2005357

5% Carbon Dioxide, 35% Nitrogen, Balance Helium Laser (Non Medical) Certified Grade, Size 200 High Pressure Steel Cylinder, CGA 580

5% Carbon Dioxide, 35% Nitrogen, Balance Helium Laser (Non Medical) Certified Grade, Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

5% Carbon Dioxide, 35% Nitrogen, Balance Helium Laser (Non Medical) Certified Grade, Size 200 High Pressure Steel Cylinder, CGA 580

5% Carbon Dioxide, 35% Nitrogen, Balance Helium Laser (Non Medical) Certified Grade, Size 200 High Pressure Steel Cylinder, CGA 580

5% Carbon Dioxide, 35% Nitrogen, Balance Helium Laser (Non Medical) Certified Grade, Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X03HE60Q2005357

X02HE75B30025G9

25% Argon, Balance Helium Batch Analyzed Mixture, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Helium Batch Analyzed Mixture, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

25% Argon, Balance Helium Batch Analyzed Mixture, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Helium Batch Analyzed Mixture, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Helium Batch Analyzed Mixture, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Helium Batch Analyzed Mixture, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X02HE75B30025G9

X02AI99CA342547

50PPM Ammonia, Balance Air Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

50PPM Ammonia, Balance Air Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

Show Full Description Hide Full Description

Compare

50PPM Ammonia, Balance Air Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

50PPM Ammonia, Balance Air Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

50PPM Ammonia, Balance Air Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

50PPM Ammonia, Balance Air Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

Show Full Description Hide Full Description

Airgas Part #:X02AI99CA342547

X02HE75C3005111

25% Argon, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

25% Argon, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X02HE75C3005111

HE AR25C23

25% Argon, Balance Helium Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Compare

25% Argon, Balance Helium Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Airgas Part #:HE AR25C23

AR CD14300

14% Carbon Dioxide, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

14% Carbon Dioxide, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

14% Carbon Dioxide, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

14% Carbon Dioxide, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

14% Carbon Dioxide, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

14% Carbon Dioxide, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:AR CD14300

X02AI99CP113004

50PPM Methane, Balance Air Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder, CGA AERO

50PPM Methane, Balance Air Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder, CGA AERO

Show Full Description Hide Full Description

Compare

50PPM Methane, Balance Air Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder, CGA AERO

50PPM Methane, Balance Air Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder, CGA AERO

50PPM Methane, Balance Air Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder, CGA AERO

50PPM Methane, Balance Air Certified Reference Material, 10 Liter Portable Disposable Aluminum Cylinder, CGA AERO

Show Full Description Hide Full Description

Airgas Part #:X02AI99CP113004

X02AI99CP104640

50PPM Carbon Monoxide, Balance Air Certified Reference Material, 103 Liter Portable Disposable Steel Cylinder, CGA C10

50PPM Carbon Monoxide, Balance Air Certified Reference Material, 103 Liter Portable Disposable Steel Cylinder, CGA C10

Show Full Description Hide Full Description

Compare

50PPM Carbon Monoxide, Balance Air Certified Reference Material, 103 Liter Portable Disposable Steel Cylinder, CGA C10

50PPM Carbon Monoxide, Balance Air Certified Reference Material, 103 Liter Portable Disposable Steel Cylinder, CGA C10

50PPM Carbon Monoxide, Balance Air Certified Reference Material, 103 Liter Portable Disposable Steel Cylinder, CGA C10

Show Full Description Hide Full Description

Airgas Part #:X02AI99CP104640

AR HE25300BLU1

25% Helium, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

25% Helium, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

25% Helium, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

25% Helium, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

25% Helium, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

25% Helium, Balance Argon Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:AR HE25300BLU1

X02AR75C2004937

25% Helium, Balance Argon Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

25% Helium, Balance Argon Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

25% Helium, Balance Argon Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

25% Helium, Balance Argon Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

25% Helium, Balance Argon Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X02AR75C2004937

AR HE25C23

25% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Compare

25% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

25% Helium, Balance Argon Industrial Grade Mix, 12 Pack Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Airgas Part #:AR HE25C23

HE AR25CS3

25% Argon, Balance Helium Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Compare

25% Argon, Balance Helium Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 580

25% Argon, Balance Helium Industrial Grade Mix, 16 Pack of Size 300 High Pressure Steel Cradle, CGA 580

Show Full Description Hide Full Description

Airgas Part #:HE AR25CS3

X02NI75C30044Y8

25% Argon, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

25% Argon, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

25% Argon, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X02NI75C30044Y8

1
2
NEXT ›

Gas Supply

Gas Supply Modes
Bulk
Cylinders
Dynamic On-site Mixer
Jobsite Skid
Liquid Cylinders
MicroBulk
On-site Generation - FLOXAL

Solutions

Airgas Dry Ice
eBusiness Solutions
Red-D-Arc
Safety Solutions
Supply Chain Solutions
Welding Automation
Welding Efficiency

Industries

Airgas Healthcare
Beverage
Construction
Energy & Chemicals
Food
Life Sciences
Metal Fabrication
Primary Materials
Retail

Resources

Catalogs
COA Search
FAQs
Offers & Rebates
Safety Notices
SDS Search
Tutorials
User Guides

Our Company

Careers
Diversity and Inclusion
Events
Fill Your Potential
Mergers & Acquisitions
Newsroom
Overview
Sustainability
Visit Parent Company

Contact

Connect with Sales
Customer Service
Find a Branch
Emergency Response

Log In
Register
Shop Products
Find A Branch
Industries
Solutions
Customer Service
Search Careers
Newsroom

© 2024 Airgas, Inc. All Rights Reserved.
|Customer Service ||Privacy Policy ||Terms & Conditions ||Terms of Sale ||Do Not Sell/Share My Personal Information ||Mobile App Policy ||Website Accessibility ||Return Policy |

C96F3509F26FBDFE3B9D9E87019018C8

C96F3509F26FBDFE3B9D9E87019018C8