ASTM D3767-03 (2020) PDF

Full title and description

ASTM D3767-03(2020) — Standard Practice for Rubber—Measurement of Dimensions. This practice provides standardized procedures for determining geometrical dimensions (length, width, thickness, diameter, circumference) of rubber products and specimens used in physical testing and specification conformance assessments.

Abstract

ASTM D3767-03(2020) defines methods to measure the dimensions of rubber items and test specimens so that geometrical data used in specifications and in calculation of other test results are accurate and comparable. It emphasizes control of instrument contact pressure when measuring soft, flexible materials and covers length, width, thickness, diameter and circumference measurements; it does not address sampling locations or sampling plans.

General information

• Status: Active.
• Publication date: Published February 1, 2020 (document record updated February 24, 2020).
• Publisher: ASTM International (American Society for Testing and Materials).
• ICS / categories: 83.060 — Rubber.
• Edition / version: Designation D3767-03 with 2020 reissue (D3767-03(2020) / D3767-03R20).
• Number of pages: 8 pages.

Scope

This practice is intended for determining geometrical dimensions of rubber products and specimens for physical tests. It describes procedures for measuring length, width, thickness, diameter, and circumference and clarifies that the chosen measurement method shall be specified in the applicable product specification or test method. The practice explicitly excludes sampling procedures and sample location selection.

Key topics and requirements

• Standardized procedures for measuring length, width, thickness, diameter, and circumference of rubber products and specimens.
• Requirement to control and specify instrument contact/foot pressure when measuring soft, flexible materials to ensure comparability.
• Guidance on which measurement method to use when dimensional values are required for specification conformance or for use in calculation of other test results.
• Notes on use of SI and non‑SI units as separate, normative values (do not mix systems).
• Statement that the practice does not cover sampling or sample‑location decisions (those are handled by the detail specification or other standards).

Typical use and users

Used by testing laboratories, rubber product manufacturers (hoses, gloves, seals, molded parts), quality/inspection departments, and specification writers who need reproducible dimensional data for acceptance criteria or as inputs to other physical tests. It is commonly referenced when preparing or validating dimensional requirements in product specifications.

Related standards

ASTM D3767 is typically used alongside other ASTM rubber test methods. Commonly associated standards include ASTM D412 (tensile properties of vulcanized rubber and thermoplastic elastomers) and ASTM D2240 (durometer hardness measurement), which cover mechanical property and hardness testing that often require precise specimen thickness or geometry measured per D3767.

Keywords

rubber, dimensions, measurement, length, width, thickness, diameter, circumference, durometer, specimen geometry, ASTM D3767.

FAQ

Q: What is this standard?

A: ASTM D3767-03(2020) is a standard practice that defines methods for measuring the geometrical dimensions of rubber products and specimens used in physical testing and specification compliance.

Q: What does it cover?

A: It covers procedures for determining length, width, thickness, diameter, and circumference and provides guidance on controlling instrument contact pressure for soft flexible materials; it does not cover sampling or sample‑location selection.

Q: Who typically uses it?

A: Testing laboratories, rubber product manufacturers and quality/inspection personnel, materials engineers, and spec writers who need standardized dimensional measurements for testing, acceptance criteria, or input into other ASTM test methods.

Q: Is it current or superseded?

A: The practice is listed as active and was reissued/updated in 2020 (published February 1, 2020; administrative/record update noted February 24, 2020). Users should confirm they have the latest active designation in their organization’s standards subscription.

Q: Is it part of a series?

A: D3767 is part of ASTM’s collection of standards for rubber testing (Book of Standards Vol. 09.01 and Committee D11 activity). It is commonly referenced together with other D11 series test methods dealing with mechanical and physical properties of rubber.

Q: What are the key keywords?

A: Rubber, measurement, dimensions, thickness, length, diameter, circumference, specimen geometry, instrument pressure, ASTM D3767.