Products

Pyrocrete 341

A minimum average 52 lb./ft³ (833 kg/m³) density, portland cement-based fireproofing material that provides hydrocarbon pool fire, jet fire, and cryogenic spill protection for structural steel. Recommended areas of application include refineries, petrochemical, and LNG facilities.

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File Name Language Download
Pyrocrete 341 PDS English
Pyrocrete 341 PDS English (US)
File Name Language Download
Pyrocrete 341 SDS English
File Name Language Download
Pyrocrete 341 - Application Guide (Revision C) English
Pyrocrete 341 - Approved Primer List English
Pyrocrete 341 - Brochure English
Pyrocrete 341 UL 1709 XR747 English
Pyrocrete Series - Shop Application Brochure English
Pyrocrete Series Brochure English
Pyrocrete Series Environmental Product Declaration English
Technical Bulletin - Durometer Hardness English
Video - Pyrocrete 341 Promotional English
Video - Pyrocrete 341 Spray Test English
Video - Pyrocrete 341 vs a Cinder Block English
XR747-1 Alternate Temperature Assessment (482°F to 1202°F) English

Features & Benefits

  • UL 1709 hydrocarbon fire rated up to 4 hours
  • ISO 22899-1 jet fire rated from 30 minutes to 2 hours
  • ISO 20088-1 cryogenic spill protection to -50°C
  • Resistant to 4 bar blast overpressure
  • ISO 20088-1 cryogenic spill followed by ISO 22899-1 jet fire
  • 4 bar overblast followed by third party witnessed hydrocarbon fire
  • NFPA 290 simultaneous torch and hose stream resistant (extended to 150 minutes)
  • UL 2431 Category I-A Outdoor Heavy Industrial and Exterior Environmental Purpose
  • Lightweight - one-third the weight of concrete
  • Ideal for field and shop application
  • Enhanced application characteristics (3/4" - 1 1/2" (19 - 38.1 mm) on initial pass)
  • Excellent durability with early hardness development
  • Non-friable – high impact strength
  • Asbestos-free – complies with EPA and OSHA regulations