Molten metals simply slide off of the extra heavy duty coating of High-Temperature Silicone Rubber on all of these products (firesleeve), providing excellent burn-through protection.
Firesleeve with Velcro Hook & Loop Closure: High Temperature, Heat & Flame Resistant Silicone Rubber Coated 
Firesleeve with velcro sleeve wire cable hose protection
Firesleeve with Velcro®
Firesleeve with Velcro Hook & Loop Closure (Firesleeve VC) is the perfect choice for protecting hydraulic hoses and lines, pneumatic lines, fuel & oil lines, brake lines, wires and cables from exposure to high and extreme heat conditions.  The extra thick special formulation of silicone rubber sheds molten metals, slag, welding splatter, electrical or grinding sparks and contamination.  Silco Shield VC also provides protection from ozone, UV and abrasion.

The standard colour is red-oxide.
We take our heavy duty braided substrate firesleeve and add Velcro® hook and loop to result in a firesleeve than can be easily installed on long hose or cable runs, or on hose and cables that cannot be detached from their installation.  This retrofit solution allows the sleeve to be added, or replaced conveniently - this makes for an easy to use Electic Arc Furnace cable cover (EAF cable cover).

The smallest standard I.D. is 1" and the largest standard I.D. is 12".  Larger I.D.s are possible by fabricating multiple fabric widths together, with an almost limitless I.D. size being the result.  Firesleeve with Velcro uses 3/4" wide Velcro® on IDs from 1" through 3 3/4" and 2" wide Velcro® on 4" through 12" I.D. fabrications.
Withstands Molten Splash & Welding Splatter.  Withstands 500°F / 260°C continuous exposure;
2200°F / 1205°C for periods up to 15 minutes and short flash excursions to 3000°F / 1650°C.