Part Number: 77500HB

SEALTEC 500 Series Headband Earmuff Stainless Steel Dual Arm, NRR 31 CSA AL

SEALTEC 500 Series Headband Earmuff

The SEALTECâ„¢ 500 Series Headband Earmuff is a premium, high-attenuation solution engineered for maximum hearing protection in high-noise industrial environments. Featuring a stainless steel dual-arm headband, it delivers superior strength, stability, and long-term durability compared to standard plastic earmuffs.

Soft SEALTECâ„¢ sealing cushions create a secure acoustic seal while maintaining exceptional comfort during extended wear. The dual-arm design and four-point suspension system distribute pressure evenly, helping reduce fatigue and improve compliance across long shifts. The dual-foam ear cup construction enhances sound insulation, supporting consistent, high-level attenuation where it is needed most.

Built with corrosion-resistant stainless steel components and impact-resistant ear cups, the 500 Series is designed to perform in demanding conditions, including extreme temperatures and heavy industrial use. With NRR 31 dB (CSA Class AL) protection, this model represents the highest level of passive hearing protection in the SEALTECâ„¢ lineup, comparable to other top-tier industrial earmuffs in the same attenuation class

SEALTEC 77500HB Headband Earmuff Stainless Steel Dual Arms
Frequency in Hz 125 250 500 1000 2000 3150 4000 6300 8000 CSA NRR
Mean (dB) Attenuation 25.3 30.8 43.3 43.9 37.5 45.3 44.1 42.8 41.3 AL 31 dB
Standard Deviation 3.7 3.4 3.1 2.4 2.9 2.2 2.6 2.7 2.5

$36.50

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Part Number: 77500HB Category: Tags: , , , Brand:

$36.50

SEALTEC™ Earmuff – Headband – NRR 25 dB
Comfort-focused headband earmuff featuring SEALTECâ„¢ sealing cushions made from soft, abrasion-resistant material for superior comfort and noise reduction. Lightweight design with low headband force delivers dependable protection for extended wear in industrial settings.

Features

  • High attenuation performance (NRR 31 dB, CSA Class AL) — Provides maximum hearing protection for high-noise industrial environments.
  • SEALTECâ„¢ PU-like sealing cushions — Soft, lightweight, and abrasion-resistant cushions deliver superior comfort, sealing performance, and long-term durability.
  • Very low headband force (2.1 lbs) — Reduces pressure and fatigue, improving comfort and compliance during extended wear.
  • Four-point suspension system — Evenly distributes pressure to minimize hot spots and enhance all-day wearability.
  • Adjustable, rotating ear cups — Allows quick height and position adjustments for a secure, personalized fit for every user.
  • Thermoplastic Elastomer (TPE) and Polypropylene (PP) headband components — Feels comfortable against skin and hair while maintaining durability.
  • Oval-shaped dual-foam ear cup design — Double sound insulation enhances attenuation across critical industrial noise frequencies.
  • Impact-resistant ABS ear cups — Built to withstand tough jobsite conditions and repeated daily use.
  • Excellent performance in hot and cold environments — Maintains comfort and protection across a wide range of temperatures.
  • 304 stainless steel headband components — Corrosion-resistant and heat-resistant (up to 870°C intermittent / 925°C continuous) for long service life in demanding environments.
Manufacturer

DENTEC SAFETY SPECIALISTS

Trade Name

SEALTEC

Part Number

77500HB

MOQ

1

UOM

EA

CERTIFICATION

CSA

Protection Rating

NRR 31/Class AL

Colour

Grey/ Black

Material

Plastic/Metal/Foam

Country of Origin

China

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