ASTM D1005-95 (2024) PDF

Full title and description

ASTM D1005-95 — Standard Test Method for Measurement of Dry‑Film Thickness of Organic Coatings Using Micrometers. Describes procedures for measuring the thickness of dried films of paint, varnish, lacquer and related organic coating products using stationary and hand‑held micrometers (Procedures A–D).

Abstract

This test method specifies four procedures for measuring dry‑film thickness: Procedure A (stationary micrometer on coated rigid substrates), Procedure B (stationary micrometer for free films), Procedure C (hand‑held micrometer on coated rigid substrates), and Procedure D (hand‑held micrometer for free films). The method gives guidance on instrument calibration, specimen preparation, minimum applicable thicknesses, and limitations (for example, coatings that deform under the measuring load are not suitable). Inch‑pound units are the standard; SI units are provided for information.

General information

• Status: Current — designation D1005‑95 (reapproved/updated and indicated as D1005‑95(2024)).
• Publication date: Reapproved/updated edition recorded in 2024 (document listings show a 23 December 2024 publication/revision entry).
• Publisher: ASTM International (American Society for Testing and Materials).
• ICS / categories: ICS 87 — Paint and colour industries; primarily 87.040 — Paints and varnishes (coatings test methods).
• Edition / version: Designation D1005‑95 (original adoption/revision year 1995; reapproval/revision reference through 2024, often shown as D1005‑95(2024)).
• Number of pages: 3 pages (short test method).

Scope

Provides standardized procedures for measurement of dry‑film thickness of dried organic coatings using micrometers. Applicable to coatings applied to rigid, plane substrates or prepared as free films; includes guidance on when to use stationary versus hand‑held gages and minimum reliable thickness ranges (procedures A and C generally not recommended for films below about 0.5 mil / 12.5 μm). Not intended for coatings that are readily deformable under the measurement load.

Key topics and requirements

• Four measurement procedures: A (stationary, coated panels), B (stationary, free films), C (hand‑held, coated panels), D (hand‑held, free films).
• Instrumentation and calibration requirements for micrometers used in each procedure (verification with shims/standards and zero checks).
• Specimen preparation: guidance on panels and free‑film preparation, reference to film‑making practices for uniform films.
• Minimum practical thickness guidance (≈0.5 mil / 12.5 μm) and limitations for deformable coatings.
• Recording and calculation conventions (difference readings between coated and uncoated measurements; reporting to specified resolution).
• Safety and applicability note: users must establish appropriate health/safety practices for handling coatings and solvents used in film preparation.

Typical use and users

Used by paint and coatings manufacturers, quality control and inspection laboratories, independent testing laboratories, R&D teams developing coating formulations, procurement/specification engineers, and regulatory or contract testing bodies needing a simple, low‑cost measurement method of dry‑film thickness. Suitable where micrometer measurement is appropriate (rigid substrates or removable free films) and where nondestructive bulk methods are not required.

Related standards

Commonly referenced or related ASTM documents include Practices for producing uniform films (D823), Test Method for preparation of free films (D2370), and other coating‑thickness or nondestructive thickness methods such as D6132 (ultrasonic thickness gages) and related paint/coating test methods referenced in the D01 committee literature. Users should consult the referenced‑documents section of the standard for the full list.

Keywords

dry‑film thickness, organic coatings, micrometer, paint, varnish, lacquer, Procedure A, Procedure B, Procedure C, Procedure D, calibration, free film, test method, ASTM D1005.

FAQ

Q: What is this standard?

A: ASTM D1005‑95 is a short ASTM test method that specifies how to measure the thickness of dried organic coating films using micrometers (stationary and hand‑held procedures).

Q: What does it cover?

A: It covers specimen preparation (coated panels or free films), four measurement procedures (A–D), instrument calibration and verification, minimum recommended thicknesses, and reporting conventions for dry‑film thickness measurements using micrometers.

Q: Who typically uses it?

A: Coatings manufacturers, QC/inspection labs, test laboratories, R&D teams, and engineers specifying or verifying coating thickness where micrometer measurement is appropriate.

Q: Is it current or superseded?

A: The designation D1005‑95 is the base standard from 1995; the document is listed with a 2024 reapproval/update reference (often shown as D1005‑95(2024)) and appears in document listings with a December 2024 entry — treat the 2024 reapproval/update as the current available edition. Users requiring the absolute latest legal/technical status should verify with ASTM International.

Q: Is it part of a series?

A: It is part of the ASTM D01 committee’s body of test methods and practices for paints and related coatings; it references and is referenced by other D‑series coating test methods and practices (for example D823, D2370 and various nondestructive thickness methods).

Q: What are the key keywords?

A: dry‑film thickness; micrometer; organic coatings; paint; varnish; lacquer; Procedures A–D; film measurement; calibration; free film.