About Common Braided Sleeving Specifications

National Electrical Manufactures Association standard for Coated Electrical Sleeving

Type 1 - organic based fibers impregnated or coated, 105°C
Type 2 - inorganic, impregnated or coated, 103°C
Type 3 - inorganic, impregnated or coated (such as PVC), 105°C
Type 4 - inorganic, impregnated or coated (such as silicone resin or PTFE), 200°C
Type 5 - inorganic, impregnated or coated (such as silicone elastomer), 200°C
Type 6 - inorganic, impregnated or coated (such as epoxies, polyesters or acrylics), 155°C
Type 7 - inorganic, impregnated or coated, 180°C
Grade A - 7000V Dielectric breakdown average
Grade B - 4000V Dielectric breakdown average
Grade C - 2500V Dielectric breakdown average

National Electrical Manufactures Association standard for Uncoated Treated Fiberglass Sleeving.

Type 1 - nominal 0.008” wall
Type 2 - nominal 0.006” wall
Type 3 - AWG sizes, wall varies with ID
Type 4 - AWG IDs with 0.031” wall

US Military specification for Yarn, Cord, Sleeving, Cloth and Tape-Glass.

Class C – Continuous Filament
Class S – Staple Fiber
Form 1 – Yarn
Form 2 – Cordage
Form 3 – Sleeving
Form 4 – Cloth
Form 5 – Tape

US Military specification for Coated, Flexible Fiberglass Insulating Sleeving.

Grade A – 7000 volt min. avg.
Grade B – 4000 volt min. avg.
Grade C – 2500 volt min. avg.
/2 - Class 130°C, Type B – Vinyl plastisol coated
/3 - Class 155°C, Type A – Acrylic resin coated
/5 - Class 200°C, Type C – Silicone resin coated
/6 - Class 200°C, Type D – Silicone rubber coated
/7 - Class 200°C, Type E – Fluoroelastomer coated
/8 - Class 220°C, type D – Silicone rubber coated
/9 - Class 240°C, Type D – Silicone rubber coated