WILLIAMS CLASS B AR-AFFF 3%x3% Concentrate Foam Tote - 704174

CLASS B POLAR SOLVENTS T-STORM® WTS303A 3%x3% AR-AFFF Concentrate Foam Tote - 704174

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Description

WILLIAMS CLASS B AR-AFFF 3%x3% Concentrate Foam Tote - 704174

T-STORM® WTS303A 3x3 AR-AFFF (Alcohol Resistant Aqueous Film-Forming Foam) Concentrate from Williams Fire & Hazard Control combines fluoro- and hydrocarbon-surfactant technologies to provide superior fire and vapor suppression for Class B, polar solvent and hydrocarbon fuel fires. This synthetic foam concentrate is intended for forceful or gentle firefighting applications at 3% solution for hydrocarbon fuels and gentle firefighting applications at 3% solution for polar solvent fuels in fresh, salt, or hard water.

T-STORM® WTS303A foam solution utilizes three suppression mechanisms intended for rapid fire knockdown and superior burnback resistance:

  • The foam blanket blocks oxygen supply to the fuel.
  • Liquid drains from the foam blanket and forms either an aqueous film on a hydrocarbon fire, orA polymeric membrane on a polar solvent fire which suppresses the vapor and seals the fuel surface.
  • The water content of the foam solution produces a cooling effect for additional fire suppression.


TYPICAL PHYSIOCHEMICAL PROPERTIES AT 77 °F (25 °C)

  • Appearance Viscous pale amber liquid
  • Density 1.02 ± 0.02 g/ml
  • pH 7.0 - 8.5 Refractive Index 1.3525 minimum
  • Viscosity* 1600 + 300 cPs
  • Sediment** ≤ 0.25%
  • Spreading Coefficient 3 dynes/cm minimum at 3% dilution
  • Pour Point 25 °F (-4 °C)
  • Freeze Point 23 °F (-5 °C)

*Brookfield Viscometer Spindle #4, speed 60 rpm
**EN 1568: 2008 protocol

T-STORM® WTS303A Concentrate is a non-Newtonian fluid that is both pseudoplastic and thixotropic; therefore, dynamic viscosity will decrease as shear increases. The T-STORM® WTS303A 3x3 AR-AFFF Concentrate formulation
contains short-chain, C6 fluorochemicals manufactured using a telomer-based process that do not produce PFOS.
010254

 

Approvals, Listings, and Standards

T-STORM® WTS303A 3x3 AR-AFFF Concentrate is designed in accordance with National Fire Protection Association (NFPA) Standard 11 for Low-, Medium-, and High-Expansion Foam. The concentrate is approved, listed, qualified under, or meets the requirements of the following specifications and standards:

  • EN 1568: 2008
  • Parts 1, 3, 4

 

Application

T-STORM® WTS303A 3x3 AR-AFFF Concentrate is intended for use on both types of Class B fires: hydrocarbon fuels with low water solubility, such as crude oils, gasolines, diesel fuels, and aviation fuels; and polar solvent fuels with appreciable water solubility, such as methyl and ethyl alcohol, acetone, and methyl ethyl ketone. To provide even greater fire protection capability, T-STORM® WTS303A foam solution may be applied simultaneously with WILLIAMS FIRE & HAZARD CONTROL PKW dry chemical for a twin-agent system. When using a twin-agent application on polar solvent fuels, take care with the velocity of the dry chemical discharge to minimize submergence of the polymeric membrane below the fuel surface. T-STORM® WTS303A Concentrate can be ideal for semi-fixed, and emergency response firefighting applications such as:

  • Industrial chemical and petroleum processing facilities
  • Truck/rail loading and unloading facilities
  • Flammable liquid containment areas
  • Mobile equipment


Foaming Properties

T-STORM® WTS303A 3x3 AR-AFFF Concentrate may be effectively applied using most conventional foam discharge
equipment at the correct dilution with fresh, salt, or hard water. For optimum performance, water hardness should not exceed 500 ppm expressed as calcium and magnesium. T-STORM® WTS303A Concentrate requires low energy to foam and the foam solution may be applied with aspirating and non-aspirating discharge devices. Non-aspirating devices, such as handline water fog/stream nozzles or standard sprinkler heads, typically produce expansion ratios from 2:1 to 4:1. Aspirating low-expansion discharge devices typically produce expansion ratios from 3.5:1 to 10:1, depending on the type of device and the flow rate. Medium-expansion discharge devices typically produce expansion ratios from 20:1 to 60:1

 

TYPICAL FOAM CHARACTERISTICS* (Fresh and Salt Water)

  • Proportioning Rate 3%
  • Expansion Ratio > 8.0
  • 25% Drain Time (min:sec) > 9:00
  • 50% Drain Time (min:sec) > 13:30

*per EN 1568-3: 2008 protocol

 

Proportioning

The recommended operational temperature range for T-STORM® WTS303A 3x3 AR-AFFF Concentrate is 35 °F to 120 °F (2 °C to 49 °C). This foam concentrate can be correctly proportioned using most conventional, properly calibrated, in-line proportioning equipment such as:

  • Balanced and in-line balanced pressure pump proportioners
  • Balanced pressure bladder tanks and ratio flow controllers
  • Around-the-pump type proportioners
  • Fixed or portable in-line venturi type proportioners
  • Handline nozzles with fixed eductor/pick-up tubes
  • For immediate use: The concentrate may also be premixed with fresh or sea water to a 3% solution for hydrocarbon fuel fires or a 3% solution for polar solvent fuel fires.
  • For delayed use: Consult Technical Services for guidance regarding suitability of a stored pre-mix solution (fresh water only).
More Information
SKU 704174
Manufacturer WILLIAMS
Price Unit Each
Size Tote
Concentration 5-3%x3%
Country of Manufacture United States
Is Featured No
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