ASTM International standards are the global benchmark for ensuring the safety and performance of Personal Protective Equipment (PPE). While often associated with face masks, ASTM standards are critical in determining the protection levels of medical gowns and protective clothing.

Understanding these standards is essential for healthcare procurement, compliance officers, and safety managers to ensure staff are protected against liquids, chemicals, and viral pathogens.

Quick Reference: ASTM Standards for Protective Clothing

Before diving into the technical details, use this table to identify which ASTM standard matches your specific safety requirements.

1. ASTM F1671: The Gold Standard for Viral Protection

“Resistance of Materials Used in Protective Clothing to Penetration by Blood-Borne Pathogens”

ASTM F1671 is the most critical test for high-risk medical environments. It measures whether a fabric can block viruses using a surrogate microbe (MS2 bacteriophage).

• Why it matters: Passing this test ensures the garment protects against Hepatitis B, C, and HIV.

• Best for: AAMI Level 4 isolation gowns and surgical drapes used in fluid-intensive procedures.

• Note: This test evaluates the fabric and seams, but not the overall garment design.

2. ASTM F903: Fluid Penetration Resistance

“Resistance of Protective Clothing Materials to Penetration by Liquids”

This test evaluates how well a material resists the visible passage of liquids under constant contact and pressure.

• Key Focus: Determining if liquids physically “leak” through the fabric or seams.

• Application: Essential for garments used in environments where splashes are common but viral risk is lower.

• Technical Tip: If a material passes F903 but is exposed to hazardous chemicals, it should also undergo F739 for molecular-level analysis.

Reference: astm.org

3. ASTM F739: Continuous Chemical Permeation

“Permeation of Liquids and Gases Through Protective Clothing Under Continuous Contact”

Unlike F903, which looks for visible leaks, F739 measures permeation at a molecular level.

• Measurement: It tracks the permeation rate and breakthrough time of hazardous gases or liquids.

• Best for: Protective wear in oncology (chemotherapy handling) and industrial chemical processing.

4. ASTM F1407: The Permeation Cup Method

“Quickly determine chemical resistance in less than one hour.”

• How it works: This method ranks materials by their suitability against specific chemicals using a rapid evaporation process.

• Technical Tip: It is less sensitive than ASTM F739. Do not use this method for chemicals that cause severe skin reactions; stick to F739 for high-risk substances.

• Best for: Preliminary material screening and ranking product suitability.

Reference: astm.org

5. ASTM F1383: Protection for Accidental Splashes

“Resistance under intermittent chemical contact.”

• Key Focus: Measures permeation when a chemical touches the garment occasionally rather than continuously.

• Application: Ideal for laboratory aprons and exam gloves where contact is accidental and brief.

• Comparison: If your staff is constantly exposed to chemicals, ensure the product passes ASTM F739 instead.

Reference: astm.org

6. ASTM F1494: Unified Industry Terminology

“Standard Terminology Relating to Protective Clothing”

• Why it matters: Clearly defines the exact terms and definitions used across all ASTM Committee F23 protective clothing standards.

• Key Focus: Eliminates confusion and misinterpretation between manufacturers, testing laboratories, and buyers.

• Best for: Writing precise RFP (Request for Proposal) specifications, drafting legal compliance documentation, and developing internal safety training protocols.

Reference: astm.org

7. ASTM F1001: The Standardized Chemical Challenge List

“Standard Guide for Selection of Chemicals to Evaluate Protective Clothing Materials”

• Why it matters: Instead of testing random substances, this guide provides a specific baseline list of 21 recommended “challenge chemicals” (such as acetone or sulfuric acid).

• Key Focus: Ensures that different protective materials are evaluated against the exact same baseline, allowing buyers to compare “apples to apples.”

• Best for: Procurement officers and safety managers who need to benchmark chemical resistance across different PPE brands.

Reference: astm.org

8. ASTM F1194: Standardized Data Documentation

“Standard Guide for Documenting the Results of Chemical Permeation Testing”

• Why it matters: Provides a universal, standardized template for reporting chemical permeation test results.

• Key Focus: Ensures that Technical Data Sheets (TDS) and QA reports present performance data consistently, preventing ambiguous safety claims.

• Best for: Quality Assurance (QA) teams and compliance officers who need to accurately verify and compare lab test reports before purchasing.

Reference: astm.org

Strategic PPE Selection: Find the Right Gown for Your Facility

Choosing the right compliance level shouldn’t be a guessing game. Medtecs offers a full range of PPE tested to the highest ASTM and AAMI standards.

[Browse Gowns by Protection Level (AAMI)]

• [AAMI Level 1-2]: For basic care and visitor use.

• [AAMI Level 3]: For ER and trauma center triage.

• [AAMI Level 4]: For high-risk surgical and ICU environments.

[Browse Gowns by Clinical Application]

• [Oncology / Chemo Gowns]: Tested for chemical permeation.

• [Surgical Gowns]: High-breathability, sterile protection.

• [ICU & Emergency PPE]: Maximum fluid and viral barriers.

Frequently Asked Questions

Q: What is the difference between ASTM F1670 and F1671?

A: ASTM F1670 tests for resistance to synthetic blood (visual), while ASTM F1671 tests for resistance to viral pathogens (microscopic). F1671 is the more rigorous standard required for AAMI Level 4.

Q: Does ASTM F903 protect against vapors?

A: No. ASTM F903 only measures liquid penetration. For protection against hazardous vapors or gases, materials should be tested under ASTM F739.

Q: How do I know if my gown is ASTM compliant?

A: Always check the manufacturer’s technical data sheet (TDS). Reliable suppliers like Medtecs provide clear documentation of ASTM test results for every product batch.

Reference:

1. ASTM F903 – 18 Standard Test Method for Resistance of Materials Used in Protective Clothing to Penetration by Liquids. (n.d.). ASTM. Retrieved August 17, 2021, from https://www.astm.org/Standards/F903.htm
2. ASTM F739 – 12e1 Standard Test Method for Permeation of Liquids and Gases through Protective Clothing Materials under Conditions of Continuous Contact. (n.d.). ASTM. Retrieved August 17, 2021, from https://www.astm.org/DATABASE.CART/HISTORICAL/F739-12E1.htm
3. ASTM F903 – 18 Standard Test Method for Resistance of Materials Used in Protective Clothing to Penetration by Liquids. (n.d.-b). ASTM. Retrieved August 17, 2021, from https://www.astm.org/Standards/F903.htm
4. ASTM F1407 – 12(2017) Standard Test Method for Resistance of Chemical Protective Clothing Materials to Liquid Permeation—Permeation Cup Method. (n.d.). ASTM. Retrieved August 17, 2021, from https://www.astm.org/Standards/F1407.htm
5. ASTM F1383 – 20 Standard Test Method for Permeation of Liquids and Gases Through Protective Clothing Materials Under Conditions of Intermittent Contact. (n.d.). ASTM. Retrieved August 17, 2021, from https://www.astm.org/Standards/F1383.htm
6. ASTM F1494 – 14 Standard Terminology Relating to Protective Clothing. (n.d.). ASTM. Retrieved August 17, 2021, from https://www.astm.org/Standards/F1494.htm
7. ASTM F1001 – 12(2017) Standard Guide for Selection of Chemicals to Evaluate Protective Clothing Materials. (n.d.). ASTM. Retrieved August 17, 2021, from https://www.astm.org/Standards/F1001.htm
8. ASTM F1194 – 18 Standard Guide for Documenting the Results of Chemical Permeation Testing of Materials Used in Protective Clothing. (n.d.). ASTM. Retrieved August 17, 2021, from https://www.astm.org/Standards/F1194.htm

Medtecs Medical Gowns(Isolation Gown)

AAMI Level 1 SMMS 22gsm Isolation Gown

AAMI Level 2 SMMS 25gsm Isolation Gown

AAMI Level 3 PE Isolation Gown

AAMI Level 4 PP+PE 36gsm Isolation Gown with Tape

AAMI Level 4 PP+PE 63gsm Isolation Gown with Tape

Chemo Gown

Surgical Gown

Reusable Gown

Medtecs Group — Global Custom Isolation Gown Manufacturing & Factory OEM/ODM Services

• BY Protection Level (AAMI) Isolation Gowns:

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Frequently Asked Questions