ASTM C1393 is the ASTM specification for perpendicularly oriented mineral fiber roll and sheet thermal insulation used on pipes and tanks. It helps define the material characteristics and general expectations for this type of insulation, supporting more consistent selection and evaluation. For buyers, engineers, and quality teams, the standard matters because it provides a common technical reference for comparing products intended for thermal insulation applications on cylindrical and storage equipment.

What is ASTM C1393?

ASTM C1393 is a product specification focused on perpendicularly oriented mineral fiber roll and sheet thermal insulation for pipes and tanks. In practical terms, it establishes a standardized basis for identifying and evaluating insulation materials intended for these applications. The document is used as a technical reference when checking product conformance, comparing offerings, or supporting procurement and quality control decisions. As an ASTM standard, it helps align material expectations across manufacturers and users.

Where is ASTM C1393 used?

This standard is commonly used in applications involving pipe insulation and tank insulation where mineral fiber roll or sheet products are specified. It is relevant to purchasing, submittal review, and specification writing for thermal insulation systems on process piping and storage tanks. ASTM C1393 may also be referenced during product testing and acceptance activities when a project requires a defined mineral fiber insulation type with a particular orientation and format.

Why is ASTM C1393 important?

ASTM C1393 is important because it supports consistency in how perpendicularly oriented mineral fiber insulation for pipes and tanks is described and evaluated. That consistency can reduce confusion in procurement, improve product comparison, and help users check whether a material matches project requirements. In engineering and quality control workflows, a clear ASTM specification can also support better documentation, more reliable review, and lower risk of misapplication.

• Specification for mineral fiber roll and sheet insulation
• Focused on pipes and tanks
• Supports product comparison and procurement
• Useful for quality control and compliance checks