Description
Comparison points and tradeoffs
When comparing WETRAG HeatShield Fire Protection (RT420H) | 12×12 Re-usable Fire & Flame-Resistant Welding Pad | Prevent Brazing/Welding Fires | Protection From Heat Transfer Damage with other Welding Blankets options, use this source-backed detail as the primary discriminator: High Temperature Resistant to 2500°F.
Use this second fact to evaluate the tradeoff: Made from high temperature fire resistant absorbent carbon with a woven core of fiberglass, this versatile HeatShield can be used wet or dry and protects wood, insulation, studs, walls, flooring, valves, painted surfaces, metal, pipe, and other components or surfaces from damage. A third point to compare across alternatives is: Viper Wet Rag Heat Shield meets or exceeds the testing certification standards below: ANSI/FM4950 standard for hot work protection National Fire Protection Association Std.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
Viper WetRag Heatshield by Refrigeration Technologies is a revolutionary flame-resistant welding pad designed to prevent fires and protect sensitive components from heat transfer damage. Made from high temperature fire resistant absorbent carbon with a woven core of fiberglass, this versatile HeatShield can be used wet or dry and protects wood, insulation, studs, walls, flooring, valves, painted surfaces, metal, pipe, and other components or surfaces from damage. WetRag HeatShield is machine washable and safe to dry.
Viper Wet Rag Heat Shield meets or exceeds the testing certification standards below:
ANSI/FM4950 standard for hot work protection
National Fire Protection Association Std. 701/1999 Test Method 1
ASTM C871-95 (9.1.3)
ASTM C871-95 (9.2.1)
ASTM C871-95 (9.4.2)
ASTM C871-95 (9.3.2)
NRC Guide 1.36, Figure 1
Source product highlights
- High Temperature Resistant to 2500°F
- Large 12×12″ Mat Protects from Fires and Heat Transfer Damage
- Can be used Wet or Dry
- Reusable and Machine Washable


JERRY D DICKINSON –
Awsome product – love it