As a professional supplier of flame-resistant and high-temperature PPE, WLTech delivers top-tier inherent flame-resistant protection for the petrochemical industry through its Flame Stopper® series.
Under scorching conditions, Flame Stopper® offers two lightweight protective fabrics: FS-150 and FS-170.
Both belong to the same flame-resistant, flash-fire-protective family—but what exactly makes them different? And how should you choose between them?
Today, WLTech uncovers the real differences between these two fabrics. Let’s dive in!
Truth #1: Different Fiber Compositions
FS-150 Composition
93% Meta-aramid,5% Para-aramid,2% Anti-static fiber
FS-170 Composition
49% Meta-aramid,49% Lenzing FR,2% Anti-static fiber
Truth #2: Different Fabric Weights
FS-150 weight: 150 gsm
FS-170 weight: 170 gsm
FS-150 is lighter and thinner than FS-170, making it ideal for users who prioritize lightweight, flexible protective clothing.
Truth #3: Different Comfort Levels
FS-170 contains 49% Lenzing heat-protective fiber, a cellulosic fiber known for:
Excellent moisture-wicking performance
Improved breathability
Superior skin-friendliness
This makes FS-170 particularly suitable for hot climates.
The fabric is also certified under OEKO-TEX® Standard 100, ensuring environmental and skin-safe performance.
Truth #4: Same High-Level Protection
As top-tier inherent FR fabrics designed for petrochemical operations, both FS-150 and FS-170 provide:
Inherent flame resistance
Flash-fire protection
Anti-static properties
Both materials are certified to:
EN ISO 11612, NFPA 2112, and EN 1149.
After learning the key differences, do you know which Flame Stopper® suits your needs best?
