Sas 66518 review — SAS Raven Nitrile Gloves, Large

Short answer: this Sas 66518 review checks every spec against the live listing for the SAS Raven Nitrile Gloves, Large, read against OSHA 29 CFR 1910.138 and NIOSH skin exposure guidance: glove selection starts with the chemical and mechanical hazard, not the mil thickness alone — and this SKU ships as a box of 100. Our editorial verdict: 4.4/5.

Sas 66518 review — Editorial Verdict and Context

Related glove research: the SAS Raven shelf, the wider nitrile glove category, disposable gloves and chemical-resistant gloves, plus the mechanics glove shelf and latex alternatives.

Spec analysis — what the record supports

Why trust this review

WC Safety is an independent review site with no products of its own — purchase links earn an affiliate commission at no extra cost to you, and no manufacturer pays for placement. Earlier copy on this page carried an affiliate tag that did not match its own disclosure; that is corrected, and the rating here is our editorial verdict alone. As an Amazon Associate, WC Safety earns from qualifying purchases. Reviewed by Steven Eaton, WC Safety Editorial.

Our methodology

Every spec here is checked against the live product record rather than marketplace copy; where the record and the earlier copy disagreed, the record won and the correction is stated plainly. We hold no safety certification and perform no laboratory testing — this is research.

SAS Safety 66518 Raven Black Nitrile Gloves Large Review — 7-Mil Powder-Free Disposable for Automotive, Mechanical, and Chemical Work

Published May 13, 2026 · Last updated July 27, 2026

The SAS Safety 66518 Raven is a 7-mil black nitrile disposable glove in Large size. It is powder-free, textured at the fingertips for grip, and rated for light chemical and solvent resistance — the core requirements for automotive maintenance, mechanical repair, tattoo application, janitorial, and industrial assembly tasks. At 7 mil wall thickness, the Raven is classified as a heavy-duty disposable nitrile glove, providing significantly more puncture and tear resistance than standard 3–4 mil examination gloves. The black colorway masks grease, oil, and ink contamination, making it a preferred choice in automotive and tattoo studio environments. ANSI/ISEA 105 provides the testing framework for classifying disposable glove performance; the Raven's specifications align with its chemical permeation and mechanical protection benchmarks for light-duty industrial applications.

What Makes the SAS Safety 66518 Raven Different from Standard Nitrile Gloves

Most examination-grade nitrile disposable gloves are 3–4 mil thick — sufficient for medical and light contamination barriers but not for mechanical work where puncture from sharp metal edges, wire, or fasteners is a genuine hazard. The Raven's 7-mil wall thickness is the primary differentiator: it provides approximately double the puncture resistance of standard exam gloves while remaining thin enough for tactile feedback during assembly, inspection, and repair tasks.

The powder-free formulation eliminates the latex powder contamination risk present in older powdered gloves — important for food-adjacent applications and any task where powder residue on components or parts is unacceptable. Textured fingertips increase grip on oily or wet surfaces, which standard smooth-palm nitrile cannot achieve. The black colorway provides visual masking of grease, ink, and dark fluids — extending perceived glove life in automotive and tattooing applications where a visibly contaminated glove causes premature disposal.

The consistent pinhole-inspection standard.5 means the manufacturing process maintains a defect rate below 1.5% — a quality control standard that aligns with the applicable nitrile-glove specifications requirements for industrial-grade nitrile gloves. This is the same inspection sampling level used in medical examination gloves, providing confidence in glove integrity across the 100-glove box.

Technical Specifications

Chemical Resistance and Appropriate Applications

Nitrile provides good resistance to petroleum-based oils, greases, hydraulic fluid, and many light solvents. However, nitrile is not appropriate for all chemical exposures. The Raven 66518 is suitable for:

• Automotive maintenance: motor oil, gear oil, brake fluid (light contact), grease, transmission fluid
• Mechanical repair: machining oils, cutting fluids, light solvents for parts cleaning
• Tattoo application: ink, petroleum jelly, cleaning solutions
• Janitorial: general cleaning chemicals, disinfectants, light acid/alkali solutions at low concentration
• Food service (non-FDA): the Raven is not FDA-approved for direct food contact unless specifically designated; verify regulatory status before food application

The Raven is NOT appropriate for: concentrated acids or caustics, ketones (acetone, MEK), aromatic solvents (benzene, toluene), chlorinated solvents, or any application requiring chemical immersion rated protection. For those applications, consult the chemical-resistant gloves section at WC Safety for thicker or multi-layer alternatives.

ANSI/ISEA 105 and Hand Protection Standards

ANSI/ISEA 105 (American National Standard for Hand Protection) establishes performance classifications for cut, puncture, chemical permeation, and heat resistance. The SAS Raven 66518 is a disposable nitrile glove designed for light mechanical and chemical protection — it is not rated for cut hazards above ANSI A1 (the lowest cut resistance level) and should not be used as primary protection in cut-hazard environments such as glass handling, sheet metal work, or blade operations. OSHA 29 CFR 1910.138 requires employers to select hand protection based on the hazards present; for cut hazards, use ANSI A4–A9 cut-resistant gloves from the WC Safety cut-resistant glove catalog.

SAS Raven Size Guide — Finding the Right Fit

Measure hand circumference at the widest point of the palm (excluding thumb). Nitrile has low stretch compared to latex; when in doubt, size up. A glove that is too tight fatigues the hand and increases tear-out risk at the fingertips; a glove that is too loose reduces grip and tactile sensitivity.

Pros and Cons

Pros

• 7-mil wall thickness — double the puncture resistance of standard 3–4 mil exam gloves; reliable barrier for mechanical and automotive tasks
• Powder-free — no latex powder contamination; compatible with hygiene-sensitive environments
• Textured fingertips — grip on oily, wet, and greasy surfaces; superior to smooth-palm alternatives for automotive and mechanical use
• Black colorway — masks grease, oil, and ink; extends visual cleanliness perception; standard choice in automotive and tattoo studio applications
• inspection-grade.5 — manufacturing quality control aligned with the applicable nitrile-glove specifications industrial nitrile glove standard
• Latex-free — suitable for latex-sensitive workers (nitrile does not cause latex protein allergy)
• 100 gloves per box — economical per-unit cost for high-frequency replacement environments

Cons

• Not rated for cut hazards — no ANSI A-level cut resistance; do not use as primary protection in blade, glass, or sheet metal environments
• Not for chemical immersion — light solvent contact only; concentrated solvents, ketones, and chlorinated compounds permeate nitrile rapidly
• Disposable — not reusable after significant chemical contamination; adds to waste stream in high-volume applications
• Large sizing only (66518) — workers requiring Small, Medium, or XL must order separate SKUs

Frequently Asked Questions — SAS Safety 66518 Raven Nitrile Gloves Large

Q: How thick are the SAS Safety 66518 Raven nitrile gloves?

A: 7 mil at the finger area. This is approximately double the thickness of standard 3–4 mil examination nitrile gloves, providing significantly higher puncture and tear resistance for mechanical and automotive applications.

Q: Are the SAS Raven gloves powder-free?

A: Yes. The 66518 is powder-free. No latex powder is used in donning or manufacturing, eliminating powder contamination risk on parts, surfaces, or in food-adjacent environments.

Q: Are the Raven gloves latex-free?

A: Yes. Nitrile is a synthetic rubber compound. The 66518 contains no natural latex protein and does not trigger latex protein allergies. Workers with latex sensitivity can safely use nitrile gloves.

Q: What is inspection-grade.5 and why does it matter?

A: inspection sampling (Acceptable Quality Level) 1.5 means the manufacturing process maintains a defect rate below 1.5 defective gloves per 100. This quality control standard aligns with the applicable nitrile-glove specifications for industrial nitrile gloves and provides confidence in barrier integrity across the box. Lower inspection sampling numbers indicate higher quality control.

Q: Can the SAS 66518 be used for automotive work?

A: Yes — this is the primary application. 7-mil nitrile resists motor oil, gear oil, grease, hydraulic fluid, and transmission fluid. The textured fingertips provide grip on oily components. The black colorway masks petroleum contamination.

Q: Is the SAS 66518 appropriate for tattoo application?

A: Yes. Black nitrile disposable gloves are the industry standard for tattooing. The 66518's 7-mil thickness provides barrier protection against blood and ink, powder-free formulation avoids contamination, and black colorway is standard in the industry.

Q: What chemicals can nitrile gloves NOT resist?

A: Nitrile permeates rapidly with: ketones (acetone, MEK, MIBK), aromatic hydrocarbons (benzene, toluene, xylene), chlorinated solvents (methylene chloride, TCE), and strong oxidizing acids. For these applications, use butyl rubber or laminate gloves available in the WC Safety.

Q: How many gloves come in a box of SAS 66518?

A: 100 gloves (50 pairs) per box.

Q: What OSHA standard requires hand protection in the workplace?

A: OSHA 29 CFR 1910.138 requires employers to select and provide hand protection based on hazards present — including chemical, cut, puncture, and thermal hazards. Employers must assess the hand hazard and select appropriate gloves; the SAS 66518 meets OSHA 1910.138 requirements for light chemical and puncture protection in automotive and mechanical applications.

Q: Is the SAS Raven 66518 suitable for cut-hazard environments?

A: No. Disposable nitrile gloves provide minimal cut resistance — at best ANSI A1 (the lowest level). For glass handling, sheet metal, blade use, or any cut-hazard environment, use cut-resistant gloves rated ANSI A4 or higher from the WC Safety cut-resistant catalog.

Q: What is ANSI/ISEA 105 and does it apply to the SAS 66518?

A: ANSI/ISEA 105 is the American National Standard for Hand Protection Selection, Use, and Care. It classifies glove performance in cut, puncture, chemical, and thermal resistance. The 66518's specifications for thickness, inspection sampling, and chemical resistance align with ANSI/ISEA 105 light-duty industrial disposable glove benchmarks.

Q: What size should I order for Large hands?

A: The 66518 is the Large size, fitting hand circumferences of 8–9 inches at the widest palm point. If you measure 9 inches or more, order the XL (66519). Nitrile has low stretch — when between sizes, size up for comfort and to reduce fingertip tear risk.

Q: Can I reuse the SAS 66518 Raven gloves?

A: Not after significant chemical contamination. The 66518 is a disposable glove intended for single-use or short-duration tasks. If the gloves are clean and undamaged after a task, some employers allow reuse for dry or minimally contaminated tasks, but reuse after chemical contact is not recommended.

Q: How does the Raven's black color benefit the user?

A: Black nitrile masks grease, oil, ink, and dark fluid contamination — reducing the visual trigger for premature disposal in automotive and tattooing applications. It also provides a professional appearance and prevents clients or customers from seeing contamination on the glove surface during service work.

Q: Where can I buy SAS Safety 66518 Raven nitrile gloves Large?

A: reviewed here and on Amazon (affiliate link) Check Price on Amazon →.

Related Products at WC Safety

• All Nitrile Gloves — WC Safety
• All Disposable Gloves — WC Safety
• Chemical-Resistant Gloves — WC Safety
• Cut-Resistant Gloves — WC Safety
• All Work Gloves — WC Safety

Citations: OSHA 29 CFR 1910.138 (Hand Protection); ANSI/ISEA 105 (Hand Protection Selection); the applicable nitrile-glove specifications (Nitrile Examination Gloves); ASTM D412 (Tensile Properties of Elastomers).

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Pros & Cons

Who It's For

Buy it if:

• Automotive techs and mechanics needing grip and puncture resistance against oils, grease, and hydraulic fluid
• Tattoo artists and studios wanting a thick black powder-free disposable for ink and fluid barrier work
• Maintenance and assembly workers handling sharp fasteners, wire, and metal edges where exam gloves tear through
• Latex-allergic users who need a synthetic disposable with no natural-rubber proteins
• Janitorial crews using light-concentration cleaners and disinfectants rather than concentrated chemistry

Look elsewhere if:

• Workers in blade, glass, or sheet-metal cut hazards who need ANSI A4-A9 cut resistant gloves instead
• Anyone immersing hands in ketones, aromatic or chlorinated solvents, or concentrated acids and caustics
• Operations needing a reusable or chemical-immersion-rated glove rather than a single-use barrier

Related Resources

• nitrile gloves
• cut resistant gloves
• nitrile gloves complete guide
• how to choose cut resistant gloves by ansi level
• sas safety 66518 raven nitrile gloves large

Frequently Asked Questions

How does the SAS 66518 compare to a standard 4-mil exam nitrile glove for shop work?

The 7-mil Raven roughly doubles the wall thickness of a 4-mil exam glove, which translates to markedly higher puncture and tear resistance against fasteners, wire ends, and metal edges. You sacrifice a small amount of fingertip sensitivity, but for mechanical and automotive tasks the durability trade is worth it. See the nitrile gloves complete guide for how thickness maps to task type.

Is a 7-mil disposable like the Raven thick enough, or should I move to a reusable nitrile glove?

For intermittent contact with oils, grease, and light solvents, the 7-mil disposable is the right call because you swap gloves rather than decontaminate them. If your hands are in fluid for long stretches or you need repeated reuse, step up to a flock-lined reusable chemical glove from the chemical-resistant range instead. Compare options in the nitrile gloves complete guide.

How do I decide between the Raven and a cut-resistant glove for a given job?

Match the glove to the dominant hazard. If the risk is puncture, oil, and light chemical, the Raven fits; if there is any blade, glass, or sheet-metal edge in play, the controlling hazard is cut and you need an ANSI-rated glove. Walk through the selection logic in how to choose cut resistant gloves by ansi level.

Can I wear the Raven as a liner under a cut-resistant glove?

Yes, a thin disposable under a cut glove is a common way to add a fluid and contamination barrier while keeping the cut rating of the outer glove. Just confirm the combined fit does not bunch and cost you dexterity. Pick the outer layer from the cut resistant gloves range based on your cut level.

For automotive brake and parts cleaning, is the Raven the best choice in this lineup?

It handles oils, grease, and brief contact with many parts cleaners well, which covers most routine automotive work. The limit is aggressive solvent soaking, where nitrile permeates quickly and you should switch to a dedicated chemical glove. The nitrile gloves complete guide details which fluids nitrile resists.

Does the black color affect performance, or is it purely cosmetic?

The pigment does not change the barrier; the practical benefit is that grease, oil, and ink do not show, so gloves get replaced on actual failure rather than on appearance. In customer-facing service and tattoo work that also reads as more professional. Other colorways in the nitrile gloves range perform identically.

How does inspection-grade.5 affect which tasks I should trust the Raven for?

inspection-grade.5 means fewer than 1.5 defective gloves per 100, which is the same control level used on many exam gloves and is appropriate for mechanical and light-chemical barrier work. For higher-stakes contamination control you would still glove-change frequently regardless of inspection sampling. The nitrile gloves complete guide covers inspection sampling in context.

Is the Raven a good single glove to standardize a mixed shop on?

As a default disposable it covers a lot of ground, but no single disposable covers cut or immersion hazards, so a complete shop stock pairs it with cut resistant gloves and a chemical-resistant option. Standardize the Raven for general handling and layer specialty gloves over it by task.

Between sizing up and sizing down, which is safer for the Raven?

Because nitrile has low stretch, sizing up is the safer error: a slightly loose glove still seals and reduces fingertip tear-out, while a too-tight glove fatigues the hand and splits at the seams. Confirm your measurement against the size table in the review before ordering.

How does the Raven stack up against vinyl disposables for the same price tier?

Vinyl is cheaper but far weaker on puncture, chemical, and tear performance, so for mechanical work the 7-mil nitrile Raven is the stronger value despite a higher per-glove cost. Vinyl only makes sense for very low-risk, short-duration tasks. The nitrile gloves complete guide explains the material trade-offs.

Will the Raven hold up for an entire shift, or is it a frequent-change glove?

It is a disposable, so plan to change it whenever it is chemically contaminated, torn, or compromised rather than wearing one pair all shift. In clean dry handling it can last longer, but the right habit is frequent replacement, which the 100-count box supports economically.

Is the Raven appropriate for electronics or precision assembly where dexterity matters most?

The 7-mil thickness costs some sensitivity, so for fine electronics a thinner 3-4 mil glove gives better feel; the Raven is better when puncture and durability outweigh maximum tactility. Choose by which matters more for your task, using the nitrile gloves complete guide as a reference.

Does the textured fingertip actually matter compared with smooth nitrile?

For oily and greasy work it matters a lot: the texture restores grip that smooth-palm nitrile loses on slick surfaces, reducing dropped parts and the force you grip with. For dry handling the difference is smaller. It is a meaningful advantage in the Raven's core automotive and mechanical use cases.

If my main hazard is chemical immersion, what should I buy instead of the Raven?

For immersion you need a thicker reusable glove matched to the specific chemistry, not a thin disposable, because permeation time is the limiting factor. The Raven is strictly a light-contact barrier. Confirm the right cut and chemical pairing using how to choose cut resistant gloves by ansi level for mechanical hazards and a chemical glove for the fluid.

Is the Raven a good value buy for a high-turnover environment?

At 100 gloves per box with 7-mil durability, the per-task cost is reasonable for environments that change gloves often, and the extra thickness reduces mid-task failures that waste gloves. For purely low-risk dry handling a thinner glove may cost less per pair. Weigh both against task demands in the nitrile gloves complete guide.