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COMSTAR Frost Free CI-40 Ethylene Glycol Antifreeze
COMSTAREthylene Glycol

COMSTAR Frost Free CI-40 Ethylene Glycol Antifreeze

The COMSTAR Frost Free CI-40 is an ethylene glycol antifreeze product, supplied in a 55-gallon drum. It is a 40% concentration, red-colored formulation that is not food safe. This product is identified by…

SKU 3G-OTH-72616

Also listed as: 35903 · 35 903

Brand
COMSTAR
Item
Frost Free CI-40 Ethylene Glycol Antifreeze
Part Number
35-903
Category
Ethylene Glycol
Available to Order
Also known as:35-903COMSTAR
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

COMSTAR
Manufacturer Part Number
35-903
Series
Frost Free CI-40
Type
Not Food Safe, Red
Drum
55 gal
Concentration
40%

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

Product Description

The COMSTAR Frost Free CI-40 is an ethylene glycol antifreeze product, supplied in a 55-gallon drum. It is a 40% concentration, red-colored formulation that is not food safe. This product is identified by manufacturer part number 35-903.

Frequently Asked Questions

What is COMSTAR Frost Free CI-40 used for?

COMSTAR Frost Free CI-40 is an ethylene glycol antifreeze used in industrial cooling systems, HVAC loops, and process equipment to prevent freezing and corrosion. Its 40% concentration provides freeze protection down to approximately -24°F. This red, not-food-safe formulation is suitable for closed-loop systems where food contact is not required.

What are the specifications of COMSTAR Frost Free CI-40?

COMSTAR Frost Free CI-40 is a 40% concentration ethylene glycol antifreeze, red in color, and not food safe. It is supplied in a 55-gallon drum (MPN 35-903). The product is part of the Frost Free CI-40 series by COMSTAR. It is designed for industrial freeze protection and corrosion inhibition in closed-loop systems.

Where to buy COMSTAR Frost Free CI-40 in worldwide?

3G Electric supplies COMSTAR Frost Free CI-40 (MPN 35-903) worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this 55-gallon drum of ethylene glycol antifreeze to any international destination.

How to select the right concentration of COMSTAR Frost Free CI-40?

Select COMSTAR Frost Free CI-40 at 40% concentration for freeze protection down to approximately -24°F in closed-loop systems. For lower temperatures, a higher concentration may be needed, but avoid exceeding 60% as it reduces heat transfer. Always consult system specifications and local climate conditions. This product is not food safe and is intended for industrial use only.

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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