ASTM D4985
Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)
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About This Item
ASTM D4985 is the ASTM specification for low silicate ethylene glycol base engine coolant intended for heavy duty engines that require a pre-charge of supplemental coolant additive (SCA). It provides a focused technical reference for coolant composition and performance expectations in this application, helping buyers and technical teams identify products designed for compatible service. For procurement, quality control, and product comparison, ASTM D4985 supports more consistent selection of coolant products suited to heavy duty engine cooling systems.
Purpose of ASTM D4985
The purpose of ASTM D4985 is to define requirements for a low silicate ethylene glycol base engine coolant used in heavy duty engines where a pre-charge of supplemental coolant additive is needed. As an ASTM standard, it helps establish a common basis for evaluating whether a coolant product aligns with the intended service environment. This is useful when specifying materials, reviewing product certifications, or comparing offerings from different suppliers. In practice, the standard helps reduce ambiguity around coolant suitability.
Common use cases of ASTM D4985
This specification is commonly used when selecting or verifying coolant for heavy duty engine cooling systems that rely on ethylene glycol base formulations and supplemental coolant additive management. It may be referenced by manufacturers, fleet maintenance teams, distributors, and testing labs involved in coolant procurement or product qualification. ASTM D4985 is also relevant during specification review and quality checks for products marketed for engines that need a pre-charge of SCA to support service requirements.
Why ASTM D4985 matters
ASTM D4985 matters because it gives purchasers and technical reviewers a clear specification reference for a specialized engine coolant type. That helps improve consistency in sourcing, supports product evaluation against a recognized standard, and may reduce the risk of using an unsuitable coolant in heavy duty applications. For organizations managing maintenance or supply decisions, the standard can also streamline compliance checks, documentation, and comparison of products offered for the same intended use.
- Low silicate ethylene glycol base coolant
- Heavy duty engine application
- Pre-charge of SCA required
- Specification reference for product review
- Useful for procurement and quality control
- Publication Date: 2023-09-13
- Publisher: ASTM
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