Cut-Resistant Glove Specification: ANSI/ISEA 105 A4/A6 vs EN 388 — HPPE, Steel Fibre and Nitrile

Overview #

The specification parameter that safety managers most consistently get wrong when sourcing cut-resistant gloves from China is not the base material — it’s the cut level mapping between ANSI/ISEA 105 and EN 388, which use fundamentally different test methods and produce non-interchangeable ratings. A glove marked A4 under ANSI and a glove marked Level C under EN 388 are not equivalent, and treating them as such is the most common sourcing error we see in global procurement programs. When qualifying Chinese suppliers for cut-resistant PPE, the first document to request is not the CE certificate — it is the actual TDM-100 or Tomodynamometer test report with the raw gram-force value, not just the level designation printed on the label.

Cut Resistance Standards: ANSI/ISEA 105 vs EN 388 — What the Test Methods Actually Measure #

The core sourcing problem with cut-resistant gloves is that two dominant standards measure cut resistance using different instruments, different blade geometries, and different pass/fail thresholds — and Chinese suppliers routinely present both certifications on the same product without clarifying which test produced which result.

ANSI/ISEA 105 (current edition: 2016, updated 2022) uses the TDM-100 (Tomodynamometer) test method, which measures the force in grams required to cut through the glove material with a straight blade under constant load. The scale runs from A1 (≥200g) through A9 (≥6,000g). The A4 threshold is ≥1,500g; A6 is ≥3,000g. These are absolute gram-force values — not relative rankings — which makes them directly comparable across suppliers if the test report is genuine.

EN 388:2016+A1:2018 uses two methods: the legacy Coup test (ISO 13997 coupe blade, reported as Levels 1–5) and the TDM test (reported as Levels A–F, mirroring the ISO 13997 scale). The critical detail: EN 388 requires TDM testing when the Coup test blade dulls before completing the test — which happens with high-cut-resistance materials like HPPE and steel fibre blends. This means a glove tested under EN 388 may show a Coup level of “X” (indicating blade dulling, TDM used instead) alongside a TDM letter level. Buyers who read only the Coup level on the pictogram are reading an incomplete result.

The EN 388 TDM Level E threshold is ≥2,200g — not ≥3,000g. This means an EN 388 Level E glove does not meet ANSI A6 (≥3,000g). Most Western buyers do not realize that GB/T 38179 — the Chinese national standard governing cut-resistant gloves — aligns with the EN 388 TDM scale, not the ANSI scale. A Chinese supplier presenting a GB/T 38179 Level E certificate is not certifying to ANSI A6 performance.

For industrial-safety procurement programs requiring ANSI A6 compliance, the only acceptable test evidence is a TDM-100 report showing ≥3,000g from an accredited third-party laboratory — not a CE mark, not a GB/T certificate, and not a supplier-issued COA.

Material Construction: HPPE, Steel Fibre and Nitrile Coating — Performance by Application #

Cut resistance in gloves is delivered by the liner construction, not the coating. The three dominant liner materials sourced from China are HPPE (High-Performance Polyethylene, also called UHMWPE), steel fibre blends, and aramid (para-aramid). Each has a different cut resistance ceiling, different failure mode, and different total cost profile.

HPPE liners are the most common material in the A4–A6 range sourced from China. Pure HPPE yarn (e.g., Dyneema SK75 or domestic equivalents) achieves A4–A5 performance at 13-gauge knit. To reach A6, suppliers typically blend HPPE with fibreglass or steel wire. The problem with fibreglass blends is skin irritation in extended wear — a parameter that does not appear on any cut resistance certificate but drives glove rejection rates on the production floor.

Steel fibre blends (typically 35–50% stainless steel wire by weight, blended with HPPE or nylon) reliably achieve A6–A7 performance and are the preferred construction for meat processing, glass handling, and metal stamping applications. The sourcing risk with steel fibre gloves from China is wire gauge consistency: we have seen suppliers substitute 0.08mm wire with 0.12mm wire between production lots, which changes both cut resistance and tactile sensitivity without altering the label designation.

Nitrile coating (foam nitrile, sandy nitrile, or flat nitrile) is applied to the palm and fingers to add grip and abrasion resistance. The coating does not contribute to cut resistance — a point that is frequently misrepresented in Chinese supplier datasheets. Sandy nitrile coating at 0.4–0.6mm thickness adds approximately 50–80g to TDM cut resistance values, which is within test variability and should not be used to claim a higher cut level.

Most procurement teams over-specify cut level and under-specify coating adhesion — which is the parameter that determines glove service life in wet or oily environments. A nitrile-coated A6 glove with poor coating adhesion will delaminate within 20–30 wash cycles, driving replacement frequency and total cost far above a correctly specified A5 glove with durable coating.

When evaluating Chinese suppliers for cut-resistant gloves, we always request wash cycle adhesion data alongside the cut resistance test report. Specifically: coating peel strength after 20 industrial wash cycles at 60°C, tested per EN ISO 11644. Suppliers who cannot provide this data have not tested it — and that is a qualification disqualifier in our program.

Compliance Documentation and Incoming Inspection Requirements #

The compliance landscape for cut-resistant gloves sold into Western markets is more complex than most Chinese suppliers communicate accurately. For EU market entry, cut-resistant gloves are classified as Category II PPE under EU PPE Regulation 2016/425, requiring EC type-examination by a notified body and a Declaration of Conformity referencing EN 388:2016+A1:2018. For US market entry, ANSI/ISEA 105 compliance is voluntary but is contractually required by most major industrial buyers and distributors.

The documentation failure we see most often in Chinese supplier qualification is a CE certificate that references EN 388:2003 — the superseded version — rather than EN 388:2016+A1:2018. The 2016 revision introduced mandatory TDM testing for high-cut materials and changed the pictogram format. A certificate referencing the 2003 standard is not valid for current EU market entry and will be rejected by customs authorities in Germany, France, and the Netherlands, which have the most active PPE market surveillance programs in the EU.

For REACH compliance, nitrile-coated gloves must be assessed for residual acrylonitrile content in the coating — a requirement that is almost never proactively addressed by Chinese suppliers. The SVHC threshold under REACH is 0.1% by weight. We have tested nitrile-coated gloves from three Chinese suppliers and found one instance of residual acrylonitrile at 0.14% — above the SVHC threshold — in a batch that carried a valid CE certificate. The CE certificate does not cover REACH compliance; these are separate obligations.

For incoming inspection, our standard protocol for cut-resistant gloves uses ASTM International sampling procedures with AQL 2.5 for critical defects (cut level non-conformance, coating delamination, mislabelled size) and AQL 4.0 for major defects (stitching defects, sizing inconsistency). At AQL 2.5 with a lot size of 1,200 pairs, the sample size is 80 pairs; the acceptance number is 5 and the rejection number is 6.

Practical Guidance for Buyers #

When sourcing ANSI A4 or A6 cut-resistant gloves from China, the first document to request is the TDM-100 test report — not the CE certificate and not the product datasheet. The test report must show the raw gram-force value (≥1,500g for A4, ≥3,000g for A6), the test laboratory accreditation number, and the specific glove model and lot number tested. Suppliers who provide only a level designation without the underlying gram-force data have not passed a verifiable test.

The most common sourcing mistake is accepting EN 388 TDM Level E as equivalent to ANSI A6. It is not. EN 388 Level E requires ≥2,200g; ANSI A6 requires ≥3,000g. Specifying the wrong standard in your purchase order will result in receiving gloves that are 27% below your required cut resistance threshold — a gap that is invisible on the label but measurable in incident rates.

Before committing to volume order, require three consecutive production lot TDM test reports (not just one sample approval), a wash cycle adhesion test result after 20 cycles at 60°C, and a REACH SVHC declaration for nitrile-coated styles. These three documents together will disqualify approximately 40% of Chinese suppliers at the qualification stage — which is exactly the point.

Frequently Asked Questions #

Q1: What is the minimum TDM gram-force value required to certify as ANSI A6?
A: ≥3,000g, measured per the TDM-100 method specified in ANSI/ISEA 105. Any test report that does not show this raw value should be rejected.

Q2: Is EN 388 Level E equivalent to ANSI A6 for procurement purposes?
A: No. EN 388 TDM Level E requires ≥2,200g; ANSI A6 requires ≥3,000g. If your engineering specification calls for ANSI A6, you must request a TDM-100 report showing ≥3,000g — an EN 388 certificate alone will not confirm compliance. The CEN standard and ANSI use different thresholds at every level above A4/C.

Q3: What is the most common quality failure in Chinese-sourced cut-resistant gloves?
A: Lot-to-lot cut resistance variation caused by raw material substitution at the yarn level. We have seen initial sample approval at A6 followed by production deliveries testing at A4 — a 50% reduction in cut resistance with no change to the label or COA. Require three consecutive lot TDM reports before volume commitment.

Q4: What certifications should I require for EU market entry?
A: A valid EC type-examination certificate referencing EN 388:2016+A1:2018 (not the 2003 version), a current Declaration of Conformity, and a separate REACH SVHC declaration for nitrile-coated styles. The CE certificate does not cover REACH — these are separate documents.

Q5: Does nitrile coating improve cut resistance?
A: Not meaningfully. Sandy nitrile at 0.4–0.6mm adds 50–80g to TDM values — within test variability. Cut resistance is determined by the liner construction, not the coating. Any supplier claiming a higher cut level based on coating type is misrepresenting the test data.

Published by sinoraw.com Technical Team | Request a sourcing consultation