ASTM D6319 Explained: What Medical Glove Certification Actually Means
Bottom line: When Canadian procurement managers see "ASTM D6319" on a box of nitrile gloves, they're looking at a comprehensive quality and safety standard — not just a marketing label. This standard sets minimum requirements for tensile strength, elongation, barrier integrity, and dimensional tolerances. Understanding what ASTM D6319 actually certifies helps Canadian healthcare facilities make informed purchasing decisions and maintain regulatory compliance.
What Is ASTM D6319 and Why Does It Matter?
ASTM D6319 is the American Society for Testing and Materials standard specification for nitrile examination gloves intended for medical use. It was developed specifically for gloves made from acrylonitrile-butadiene rubber (nitrile) and covers everything from raw material quality to manufacturing consistency to final product testing.
In Canada, medical glove standards follow a multi-layered regulatory framework. Gloves sold in Canada must meet Health Canada's Medical Devices Regulations (SOR/98-282) as Class I medical devices. While Health Canada does not mandate ASTM compliance by name, virtually all reputable manufacturers certify their medical gloves to ASTM standards because provincial health authorities and IPAC guidelines explicitly reference them.
The key Canadian standards that interact with ASTM D6319 include:
- CSA Z314.8 — Selection, care, and use of gloves in healthcare
- CAN/CSA-Z317.10 — Handling and disposal of waste in healthcare facilities
- Health Canada Guidance Document — Medical glove quality requirements
- Provincial IPAC manuals (e.g., Public Health Ontario's PIDAC best practices)

Key Performance Requirements Under ASTM D6319
The standard defines several measurable performance parameters that every certified glove must meet:
| Parameter | ASTM D6319 Requirement | Why It Matters |
|---|---|---|
| Tensile strength (before aging) | ≥ 24 MPa (double latex requirement) | Higher tensile strength = less likely to tear during use |
| Tensile strength (after aging) | ≥ 20 MPa (7 days at 70°C) | Ensures gloves don't degrade during storage |
| Elongation at break | ≥ 500% (before aging) | Flexibility — glove must stretch without breaking |
| Elongation at break (after aging) | ≥ 400% | Maintains flexibility over shelf life |
| AQL (Acceptable Quality Level) | ≤ 1.5 (pinhole defects per 1000 gloves) | At most 1.5 defective gloves per 1000 — a critical safety metric |
| Length (full-size glove) | ≥ 240 mm (size medium) | Must provide adequate cuff coverage |
| Powder-free limit | ≤ 2 mg residual powder per glove | Reduces airborne latex proteins and wound contamination |
AQL 1.5: The Single Most Important Number on Your Glove Box
If you remember only one thing about medical glove standards, make it AQL 1.5. AQL stands for Acceptable Quality Level, and it measures the maximum allowable failure rate during water-leak testing. An AQL of 1.5 means that no more than 1.5 gloves out of every 1,000 (0.15%) may have pinhole defects.
This is not an arbitrary number. ASTM D6319 sets AQL 1.5 as the maximum for nitrile examination gloves. By comparison:
- AQL 4.0: Industrial/utility gloves — higher pinhole rate, not suitable for medical use
- AQL 2.5: Some lower-grade exam gloves — borderline for clinical use
- AQL 1.5: Standard medical exam gloves — the minimum for Canadian healthcare
- AQL 0.65: Premium medical gloves — surgical-grade barrier protection
- AQL 0.25: Surgical gloves — the highest barrier standard
For Canadian procurement managers, requiring AQL 1.5 or better is a best practice. Some discount suppliers may sell gloves with AQL 2.5 or 4.0 at lower prices, but these gloves are not appropriate for clinical examinations or patient care.

How to Verify ASTM D6319 Compliance When Buying Gloves
Not all gloves claiming ASTM compliance are actually tested. Here's how Canadian procurement teams can verify glove certification Canada compliance:
- Check the box: ASTM D6319 compliance should be printed directly on the product packaging along with the lot number.
- Request the Certificate of Analysis (CoA): Reputable manufacturers provide lot-specific CoAs showing actual tensile strength, elongation, and AQL results.
- Look for the MDEL: Canadian suppliers must have a Medical Device Establishment License (MDEL) from Health Canada to import or distribute medical gloves.
- Verify the third-party lab: Independent testing by labs like SGS, Intertek, or Nelson Labs provides an additional layer of confidence.
- Check for ISO 13485: Manufacturing facilities certified to ISO 13485 (medical device quality management) are more likely to produce consistent, compliant products.
Other ASTM Standards for Medical Gloves You Should Know
While ASTM D6319 specifically covers nitrile exam gloves, Canadian procurement teams should also be familiar with related standards:
| Standard | Covers | Application |
|---|---|---|
| ASTM D3578 | Latex examination gloves | Natural rubber exam gloves (high tactile sensitivity) |
| ASTM D5250 | Vinyl examination gloves | PVC gloves for low-risk, non-clinical use |
| ASTM D3577 | Surgical gloves (sterile) | Sterile, higher AQL requirements for OR use |
| ASTM D6978 | Chemotherapy drug gloves | Resistance testing for hazardous drug handling |
CliniEco Medical's nitrile examination gloves are manufactured to meet ASTM D6319 standards with AQL 1.5. CliniEco Medical sources these gloves from ISO 13485-certified manufacturing partners; lot-specific documentation is available on request. CliniEco Medical operates under MDEL #35334.
Need this for your facility? CliniEco Medical supplies CliniEco Medical Nitrile Gloves — 4mil Standard, Blue, 100-Pack to Canadian clinics, laboratories and long-term care homes. Open a wholesale account for institutional pricing.
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