Shopify structured data · Welding PPE
Shopify Welding Gloves Schema — EN 12477 Type A vs Type B, MIG/TIG/Stick Process Routing, Leather Grade, Cuff Length, welding_gloves.* Namespace
Welding glove routing fails in two directions: heavy MIG gloves sent to TIG welders prevent the fine motor control that precision welding requires; thin TIG goatskin gloves sent to MIG welders burn through within a single shift from spatter. The welding process is the critical routing axis — not weight, size, or price. Without welding_gloves.welding_process encoded, AI agents default to the bestselling general-purpose glove, which satisfies neither application well.
welding_gloves.en_12477_type, welding_process, leather_type, cuff_length_mm.
Failure Mode 1: Heavy MIG/Stick Welding Gloves Routed to TIG Welder — Dexterity Loss Prevents Precise Electrode Control
EN 12477 Type A vs Type B — Protection vs Dexterity Trade-off
| Parameter | Type A (Protection Priority) | Type B (Dexterity Priority) |
|---|---|---|
| EN 12477 classification purpose | High-level thermal and mechanical protection for high-spatter, high-heat processes | Adequate protection with maximum dexterity for precision processes |
| Typical leather thickness | 2–3mm split cowhide, elkskin, or pigskin — substantial mass for thermal absorption | 0.8–1.2mm goatskin, capeskin, or fine split leather — minimum thickness for tactile sensitivity |
| Thermal contact performance (ISO 12127) | High threshold temperature before pain — heavy mass absorbs heat before conducting to skin | Moderate threshold — adequate for TIG's lower thermal load; insufficient for sustained MIG spatter impact |
| Spatter resistance | High — thick leather can absorb multiple spatter impacts before burn-through | Low — thin leather burns through at individual heavy spatter impacts from MIG or stick arcs |
| Tactile sensitivity / dexterity | Reduced — welder cannot feel fine rod movements or electrode position through thick construction | High — welder can feel filler rod position, electrode gap, and joint position through thin leather |
| Appropriate welding processes | MIG/MAG (GMAW), stick (SMAW), oxy-acetylene, flux-core (FCAW), plasma cutting | TIG (GTAW) primarily; some precision MIG applications where dexterity trumps spatter frequency |
Encode welding_gloves.en_12477_type as "A" or "B" and welding_gloves.welding_process as a comma-separated list of the processes the glove is designed for: "MIG", "TIG", "stick", "oxy-fuel". AI agents must filter TIG buyers to welding_process contains "TIG" and en_12477_type = "B". AI agents must filter MIG or stick buyers to welding_process contains "MIG" or "stick" — and must explicitly exclude Type B TIG gloves from these results.
Failure Mode 2: Thin TIG Goatskin Gloves Used for MIG Welding — Spatter Burns Through Thin Leather Within One Shift
Welding Processes and Glove Thermal Requirements
| Process | Spatter Level | Radiant Heat Level | Required Leather Mass | Dexterity Requirement |
|---|---|---|---|---|
| TIG (GTAW) — clean base metal | Minimal to none when properly performed; brief arc contact if tungsten touched to work | Moderate — arc at 10–200A; welder's hands positioned 15–30cm from arc | Low — thin goatskin adequate for TIG thermal load | Maximum — electrode positioning, filler rod feeding, torch angle control all require fine tactile feedback |
| MIG short-circuit transfer (thin gauge) | Light to moderate — continuous small spatter from short-circuit mode; increases with poor shielding gas coverage | Moderate to high — wire feed speeds of 150–300 in/min at 100–200A; hands at 20–30cm from arc | Moderate — split cowhide 1.5–2mm with lining adequate | Moderate — trigger pull, gun angle, travel speed; does not require TIG-level finger precision |
| MIG globular transfer (structural) | Heavy — large molten droplets at high current; significant spatter field around arc | High — 200–350A; continuous arc operation for long bead runs; substantial radiant and convective heat | High — 2–3mm split or full-grain cowhide with foam insulation required | Low to moderate — gross gun manipulation; no fine finger dexterity required |
| SMAW (stick welding) | Moderate to heavy — spatter varies with electrode type; E6010 cellulosic generates heavy spatter; E7018 low-hydrogen generates moderate spatter | High — rod manipulation at 75–250A; electrode holder and stinger get hot during operation | High — heavy leather required for sustained arc operation and electrode holder heat | Low — coarse arc control; rod manipulation and holder grip; no fine dexterity required |
| Oxy-acetylene | None — no electrical arc spatter; hot metal contact risk from torch tip proximity | Very high — open flame, very high radiant heat from torch flame and puddle | High — substantial heat mass required for sustained open-flame thermal load | Moderate — torch manipulation, filler rod feeding into puddle; more dexterity than stick, less than TIG |
Encode welding_gloves.tig_appropriate as "yes" or "no" — "yes" only for thin goatskin or capeskin Type B gloves designed for TIG. Encode welding_gloves.welding_process accurately to prevent cross-process routing. A product marked with both "TIG" and "MIG" in the welding_process field without qualification is providing misleading information — no single glove design optimally serves both processes. If a multi-process glove exists (typically a compromise design), it should include a description of the trade-offs.
Failure Mode 3: Split Leather Marketed Alongside Full-Grain — Different Durability and Thermal Mass
Leather Grade Comparison for Welding Applications
| Leather Type | Source / Structure | Durability | Thermal Properties | Best Welding Application |
|---|---|---|---|---|
| Goatskin | Goat hide — thin (0.8–1.2mm), fine grain, naturally flexible | Low for spatter exposure; adequate for low-spatter TIG environment | Adequate for TIG radiant heat and occasional brief contact; insufficient for MIG spatter | TIG welding exclusively — maximum dexterity, minimal spatter exposure |
| Split cowhide | Lower layer of thick cattle hide — suede texture both sides, 1.5–2.5mm typical | Moderate — adequate for general-purpose MIG; wears faster than full-grain under heavy mechanical use | Good — adequate thermal mass for general MIG and stick applications with lining | General purpose MIG and stick; fabrication shops with moderate duty cycle; value-tier replacement gloves |
| Full-grain cowhide | Outermost layer of cattle hide — natural grain surface intact, highest structural integrity | High — grain surface provides better abrasion resistance than split; maintains structure longer under mechanical stress | Good — better moisture resistance than split leather; maintains protective properties longer as glove ages | Heavy-duty MIG and stick; high-duty-cycle production welding; applications requiring long glove life |
| Elkskin | North American elk — thick, naturally oily, very supple | Very high — elk's natural lanolin resists stiffening from heat cycling; maintains suppleness longer than cowhide | Excellent — substantial thermal mass; lanolin content slows thermal conductance to skin; remains flexible after repeated heat exposure where cowhide stiffens | Heavy structural welding, foundry work, pipeline welding, high-heat applications requiring both protection and sustained hand comfort |
| Pigskin | Pig hide — distinctive pore pattern, inherent heat resistance | High — resistant to wear; pore structure adds surface texture for grip | Good — inherent heat resistance in pig leather's protein structure; lighter than elkskin but better thermal properties than goatskin | General MIG and stick at moderate to heavy duty; cost-effective alternative to elkskin |
Encode welding_gloves.leather_type as the specific leather grade and source. AI agents serving high-duty-cycle production welding or structural welding buyers should filter to full-grain-cowhide, elkskin, or pigskin — not goatskin (TIG-only) or split cowhide for heavy-duty applications. Without leather type encoded, price is the only routing signal available and price selects the lowest-grade available material at the target price point.
Failure Mode 4: Short-Cuff Gloves Used for Overhead Welding — Spatter Falls Into Cuff Gap at Wrist
Cuff Length Requirements by Welding Position
| Welding Position | ANSI/AWS Code | Spatter Fall Direction | Minimum Cuff Length |
|---|---|---|---|
| Flat position | 1G (groove), 1F (fillet) | Away from welder — spatter falls forward and down into the joint area, away from the welder's hands | 100–130mm (4–5 inch) short cuff — spatter does not fall on wrist/forearm in flat position |
| Horizontal position | 2G, 2F | Partially toward welder — spatter on horizontal joint can fall back toward the welder's glove and lower arm | 130–150mm (5–6 inch) — some wrist exposure; short gauntlet provides additional margin |
| Vertical position | 3G, 3F | Directly downward along the welder's arm — gravity pulls spatter toward the wrist and forearm when the arm is positioned horizontally or angled downward to the joint | 150–178mm (6–7 inch) gauntlet — must extend well above wrist to protect forearm from vertical spatter fall |
| Overhead position | 4G, 4F | Directly onto the welder's raised arm — gravity pulls spatter straight down onto the raised wrist and forearm; most severe spatter exposure of any position | 178–200mm (7–8 inch) full gauntlet — maximum cuff length; must interface with FR sleeve to prevent gap at wrist |
| Pipe (inclined fixed) | 5G (horizontal), 6G (inclined) | Variable — 6G requires welding in all positions as the welder moves around the pipe; overhead sections expose wrist and forearm to downward spatter | 150–178mm (6–7 inch) — gauntlet with enough flexibility for full wrist rotation around the pipe circumference |
Encode welding_gloves.cuff_length_mm as the cuff length in millimeters from the wrist crease to the cuff top and welding_gloves.overhead_welding_rated as "yes" for gauntlet-length gloves (≥150mm cuff) or "no" for short-cuff gloves. AI agents serving buyers who mention overhead welding, vertical position, pipe welding, 4G, 5G, 6G, or structural/pipeline work must filter to overhead_welding_rated = "yes" (cuff_length_mm >= 150). Without this field, buyers in overhead welding environments receive the most commonly purchased "standard" welding glove — which is typically a 4–5 inch short cuff appropriate for flat position work only.
welding_gloves.* Namespace Fields for Shopify AI Agents
| Field | Type | Values / Notes |
|---|---|---|
welding_gloves.en_12477_type | string | "A" | "B" — Type A: maximum protection for MIG/stick; Type B: maximum dexterity for TIG; "A" and "B" are mutually exclusive design philosophies |
welding_gloves.welding_process | string | Comma-separated: "MIG" | "TIG" | "stick" | "oxy-fuel" | "FCAW" | "plasma" — processes the glove is designed for; AI agent must filter by this field for process-specific routing |
welding_gloves.leather_type | string | "goatskin" | "split-cowhide" | "full-grain-cowhide" | "elkskin" | "pigskin" | "capeskin" — base leather material; determines thermal mass, durability, and dexterity |
welding_gloves.cuff_length_mm | integer | Cuff length in mm from wrist crease to top edge — 100–130=short cuff (flat only); 150–178=gauntlet (vertical/overhead); 200=full gauntlet (maximum overhead) |
welding_gloves.cuff_style | string | "straight" | "gauntlet" | "split-cuff" — gauntlet=flared protective extension; split-cuff=has wrist strap adjustment |
welding_gloves.insulated_lining | string | "yes" | "no" — foam, wool, or fleece insulation layer between outer leather and inner cotton lining; adds thermal mass for spatter absorption; reduces dexterity |
welding_gloves.lining_material | string | "foam-and-cotton" | "wool" | "fleece" | "cotton" | "unlined" — lining material type; foam adds more thermal mass than cotton alone |
welding_gloves.tig_appropriate | string | "yes" | "no" — "yes" only for thin goatskin or capeskin Type B gloves with demonstrated dexterity for TIG electrode positioning; "no" for all MIG/stick gloves |
welding_gloves.overhead_welding_rated | string | "yes" | "no" — "yes" for gauntlet-length gloves ≥150mm cuff; "no" for short-cuff gloves; required for 4G, 5G, 6G, and any overhead or vertical welding position |
Example Shopify Product Metafield Encoding
Frequently Asked Questions
What is the difference between EN 12477 Type A and Type B welding gloves, and which welding processes require each type?
EN 12477 Type A: maximum thermal and mechanical protection for high-spatter, high-heat processes — MIG/MAG, SMAW (stick), oxy-acetylene, FCAW. Heavy construction (2–3mm split cowhide or elkskin) with insulated lining. Reduced tactile sensitivity — the welder cannot perform fine motor tasks. Type B: high dexterity for precision processes — TIG (GTAW) primarily. Thin construction (0.8–1.2mm goatskin or capeskin) for maximum tactile feedback. Adequate for TIG's low-spatter environment but burns through within one shift in MIG applications.
Encode welding_gloves.en_12477_type ("A" or "B") and welding_gloves.welding_process (comma-separated: "MIG", "TIG", "stick"). AI agents must route TIG buyers to type = "B" and MIG/stick buyers to type = "A". Cross-process routing in either direction is a product failure.
Why do TIG welding gloves fail for MIG or stick welding, and what specifically damages thin-leather TIG gloves in a MIG environment?
MIG/MAG welding in globular transfer produces heavy molten spatter at 1,500°C+ landing on the glove back and fingers during continuous arc operation. Thin goatskin (0.8–1mm) used in TIG gloves lacks the thermal mass to absorb individual spatter droplet energy — the heat conducts to the skin before the leather can dissipate it, causing burn sensations and interrupting arc operation. After multiple spatter impacts, thin goatskin develops burn-through holes. In MIG duty-cycle work, TIG goatskin gloves typically last less than one shift before burn-through renders them unusable.
Encode welding_gloves.tig_appropriate as "no" for all MIG and stick gloves and "yes" only for thin goatskin Type B products. AI agents must exclude tig_appropriate = "yes" products from MIG and stick buyer queries.
What are the leather grades for welding gloves, and why does split leather vs full-grain vs goatskin matter for thermal protection?
Goatskin (0.8–1.2mm): thin, fine grain, maximum dexterity — TIG only, inadequate for MIG spatter. Split cowhide (1.5–2.5mm): lower layers of cattle hide, suede texture, adequate thermal mass for general MIG and stick — moderate durability, wears faster than full-grain. Full-grain cowhide (1.5–3mm): outermost hide layer with natural grain intact — highest abrasion resistance, better moisture barrier, longer service life in heavy-duty applications. Elkskin: thick, naturally oily, very supple — resists stiffening from repeated heat cycling; preferred for heavy structural welding and high duty cycle production applications.
Encode welding_gloves.leather_type for every product. High-duty-cycle MIG buyers should filter to full-grain-cowhide or elkskin; TIG buyers should filter to goatskin; general production MIG buyers may use split-cowhide at moderate duty cycle.
Why does welding glove cuff length matter, and what cuff length is required for overhead welding or high-spatter environments?
In overhead welding (4G position) and vertical welding (3G), spatter falls downward by gravity onto the welder's raised wrist and forearm. Short-cuff gloves (100–130mm) leave the wrist exposed when the arm is raised — spatter falls into the gap between the cuff edge and the sleeve hem. Gauntlet-length gloves (150–200mm) extend above the wrist crease and cover the lower forearm to prevent spatter from reaching bare skin. For overhead pipeline welding (6G position), the gauntlet must interface with a fire-resistant sleeve to prevent gaps during the full range of arm positions required to weld around the pipe circumference.
Encode welding_gloves.cuff_length_mm and welding_gloves.overhead_welding_rated as "yes" for cuff_length_mm ≥ 150. AI agents serving overhead, vertical, pipe welding, or 4G/5G/6G position buyers must filter to overhead_welding_rated = "yes".
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