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COMSTAR Frost Free CI-50 Ethylene Glycol, 50% Concentration, Red, 55 gal Drum
COMSTAREthylene Glycol

COMSTAR Frost Free CI-50 Ethylene Glycol, 50% Concentration, Red, 55 gal Drum

The COMSTAR Frost Free CI-50 is an ethylene glycol antifreeze product supplied in a 55-gallon drum. It is formulated at a 50% concentration and is not food safe. The product is red in color and is identified by…

SKU 3G-OTH-72764

Also listed as: 35905 · 35 905

Brand
COMSTAR
Item
Frost Free CI-50 Ethylene Glycol, 50% Concentration, Red, 55 gal Drum
Part Number
35-905
Category
Ethylene Glycol
Available to Order
Also known as:35-905COMSTAR
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

COMSTAR
Manufacturer Part Number
35-905
Series
Frost Free CI-50
Type
Not Food Safe, Red
Drum
55 gal
Concentration
50%

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COMSTAR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The COMSTAR Frost Free CI-50 is an ethylene glycol antifreeze product supplied in a 55-gallon drum. It is formulated at a 50% concentration and is not food safe. The product is red in color and is identified by manufacturer part number 35-905.

Frequently Asked Questions

What is COMSTAR Frost Free CI-50 used for?

COMSTAR Frost Free CI-50 is an ethylene glycol antifreeze used in industrial cooling and heating systems to prevent freezing and corrosion. It is suitable for closed-loop applications where food-safe fluid is not required, such as HVAC, process cooling, and hydronic systems.

What are the specifications of COMSTAR Frost Free CI-50?

COMSTAR Frost Free CI-50 is a 50% concentration ethylene glycol antifreeze, red in color, supplied in a 55-gallon drum. It is not food safe. The manufacturer part number is 35-905, and it belongs to the Frost Free CI-50 series by COMSTAR.

Where to buy COMSTAR Frost Free CI-50 worldwide?

3G Electric supplies COMSTAR Frost Free CI-50 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the 55-gallon drum (MPN 35-905) for your application.

How to select the right antifreeze concentration for my system?

Selecting the right antifreeze concentration depends on your minimum ambient temperature and system requirements. COMSTAR Frost Free CI-50 at 50% concentration provides freeze protection down to approximately -34 °C. Always consult system manufacturer guidelines and consider factors like corrosion inhibition and fluid compatibility.

Used in

Common applications for COMSTAR
Commercial refrigeration — COMSTAR ISO-32 polyol ester oil (e.g., part 45-007) for compressors using R-32 refrigerant in supermarket display cases and walk-in coolers.
Industrial refrigeration — COMSTAR ISO-68 polyol ester oil (e.g., part 45-010) for lubricating compressors in large cold storage and process cooling systems with HFC refrigerants.
HVAC service — COMSTAR ISO-32 oil in 1-quart containers (e.g., part 45-019) for field maintenance and oil changes in residential and light commercial air conditioning units.
Gas leak detection — COMSTAR leak detection fluid (part 90-210) for checking pressurized piping, valves, and fittings in industrial gas systems and refrigeration circuits.
Bulk system charging — COMSTAR ISO-32 oil in 55-gallon drums (e.g., part 45-009) for initial fill or large-volume oil replacement in industrial refrigeration plants.
A2L refrigerant systems — COMSTAR ISO-32 polyol ester oil (e.g., part 45-008) for compressors in equipment designed for mildly flammable A2L refrigerants, including R-32.
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COMSTAR Products

3G Electric supplies COMSTAR ethylene glycol. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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