Description
MCR Safety 9643LM is a 7-gauge string knit glove. MCR Safety rates it contact heat level 3. Knit wrist cuff. Sizes S (7) to L (9). Sold by the dozen. Part numbers 9643LM, 9643MM, 9643SM. Ships in 1–2 business days; most orders arrive in 3–7 business days.
MCR Safety 9643LM specifications
| Item | MCR Safety data |
|---|---|
| Part numbers | 9643LM (L (9)), 9643MM (M (8)), 9643SM (S (7)) |
| MCR Safety description | String Knit Work Gloves 7 Gauge Heavy Weight Multi-Color Cotton Polyester |
| ANSI Contact Heat Level | 3 |
| Style | Stringed |
| Gauge | 7 |
| Cuff Style | Knit Wrist |
| Sizes | S (7), M (8), L (9) |
| Packaging | Polybag 12 |
| MCR Safety sells by | Dozen |
| Case pack (MCR Safety file) | 20 per case |
Source: MCR Safety product page https://mcrsafety.com/cotton/9643lm, fetched Nov 6 2026; MCR Safety specification sheet 9643LM; MCR Safety price and packaging file, Oct 21 2026.
Ratings and standards
| Standard | Rating as published by MCR Safety |
|---|---|
| ANSI/ISEA 105-2024 conductive heat resistance (ASTM F1060) | Level 3 (contact temperature up to 200 °C (392 °F)) |
| TAA (Trade Agreements Act) | Yes, as MCR Safety lists it |
| Nearshore manufacturing | Yes, as MCR Safety lists it |
Source: MCR Safety product page https://mcrsafety.com/cotton/9643lm, fetched Nov 6 2026; MCR Safety specification sheet 9643LM; MCR Safety, "ANSI/ISEA Standard 105-2024 Update" (ANSI/ISEA 105-2024: A Quick Guide to Hand Protection Standards). Ratings are as published by the manufacturer or the named standard, not a recommendation for any task.
Features
- 7 gauge multi-colored string knit
- Breathable, cool and comfortable
- Color coded hem to identify sizes
- Polyester cotton blend
- Reversible pattern
Source: MCR Safety feature list for style 9643LM on its product page, fetched Nov 6 2026.
MCR Safety 9643LM family
| Part number | Style | Size | UPC | Case pack | MCR sells by | On our site |
|---|---|---|---|---|---|---|
| 9643SM | 9643LM | S (7) | 30451439643695 | 20 | DZ | this page |
| 9643MM | 9643LM | M (8) | 30451439643763 | 20 | DZ | this page |
| 9643LM | 9643LM | L (9) | 30451439643909 | 20 | DZ | this page |
Source: MCR Safety product page for each style (fetched Nov 6 2026); MCR Safety price and packaging file, Oct 21 2026 (UPC, case pack, how MCR sells it). Each style links to its own page.
MCR Safety 9643LM questions
Is a size 9 glove large or XL? Size 9 is L on the 9643LM, as MCR Safety sizes it. Sizes: S (7), M (8), L (9); the size is the part-number ending (9643LM, 9643MM). Glove size numbers vs letters.
What glove material is heat resistant? MCR Safety rates the 9643LM ANSI/ISEA 105 conductive heat Level 3 (contact temperature up to 200 °C (392 °F)) on the ASTM F1060 test. The rating is for contact heat, not flame.
Is 100% cotton considered FR? MCR Safety lists no flame or arc rating for the 9643LM; its rating is ANSI/ISEA 105 contact heat Level 3 (contact temperature up to 200 °C (392 °F)) (ASTM F1060), which is contact heat, not flame.
What are knit gloves used for? MCR Safety describes the 9643LM as “String Knit Work Gloves 7 Gauge Heavy Weight Multi-Color Cotton Polyester”; 7-gauge; contact heat 3.
How is the 9643LM sold? By the dozen (12 pairs of one size). MCR Safety case pack: 20 per case.
Guides: how to measure glove size · OSHA hand protection requirements · ANSI cut levels A1 to A9 · every glove by cut level and coating · glove size numbers vs letters.
Manufacturer item number: 9643LM. Spec sheet: MCR Safety specification sheet (PDF).
String Knit Work Gloves7 Gauge Heavy Weight
Multi-Color Cotton Polyester
Multipurpose cotton polyester strings knit work gloves
Our multi-purpose string knit gloves come in various blends and weights. Economy, regular, and heavy weight gauge offerings are available. These gloves are suitable for general hand protection in light duty applications. The 9643M 7 gauge heavy weight string knit work gloves feature a multi-color recycled cotton polyester blend. The fabric is soft, cool, and comfortable making it easy to wear throughout the long workday.Sold by the dozen
One dozen holds 12 pairs. The price shown is per dozen; quantity 1 = 1 dozen.
Size chart (MCR Safety)
| Size | Across the hand, men's | Across the hand, ladies' | Size on this page |
|---|---|---|---|
| Small | 2.75 to 3 in | 2 to 2.5 in | S (7) |
| Medium | 3 to 3.5 in | 2.5 to 3 in | M (8) |
| Large | 3.5 to 4 in | 3 to 3.5 in | L (9) |
MCR Safety says to use a ruler to measure across your hand; the chart is an approximate size and the glove should be tried on to confirm fit.
Source: MCR Safety, Glove Size Guide.
Item Numbers
Variant item numbers:
9643LM – Large
9643MM – Medium
9643SM – Small
