Part Number: 77505HB

SEALTEC 500 Series Headband Earmuff Stainless Steel Dual Arm, NRR 27 CSA A

The SEALTECâ„¢ 500 Series Headband Earmuff is a premium, high-performance hearing protection solution designed for durability, comfort, and consistent protection in demanding industrial environments. Featuring a stainless steel dual-arm headband, it provides enhanced strength, stability, and long service life compared to standard plastic designs.

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 help distribute pressure evenly, reducing fatigue and improving compliance across long shifts. The dual-foam ear cup construction enhances sound insulation, delivering reliable protection in moderate to high noise environments.

Built with corrosion-resistant stainless steel components and impact-resistant ear cups, the 500 Series is engineered to perform in tough industrial conditions, including hot and cold environments. With NRR 27 dB (CSA Class A) protection, it offers a strong balance of comfort, durability, and dependable noise reduction.

SEALTEC 77505HB Headband Earmuff Stainless Steel Dual Arm
Frequency in Hz 125 250 500 1000 2000 3150 4000 6300 8000 CSA NRR
Mean (dB) Attenuation 19.0 25.4 33.7 37.9 36.4 36.4 40.4 39.5 38.0 A 27 dB
Standard Deviation 2.9 2.7 2.7 2.7 2.9 2.8 4.1 4.1 2.7

$30.00

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Part Number: 77505HB Category: Tags: , , , Brand:

$30.00

SEALTEC™ Earmuff – Headband – NRR 25 dB
Durable, lightweight headband earmuff engineered for consistent fit and reliable performance. SEALTECâ„¢ soft cushions provide effective sealing and comfort, while the all-plastic design delivers dielectric protection for a wide range of industrial applications.

Features

  • NRR 27 dB, CSA Class A certified — Delivers reliable, compliant hearing protection for industrial noise environments.
  • SEALTECâ„¢ PU-like sealing cushions — Soft, lightweight, and abrasion-resistant cushions provide superior comfort, sealing, and long-term durability.
  • Wide padded headband with four-point suspension — Distributes pressure evenly to reduce hot spots and wearer fatigue during extended use.
  • Low headband force (2.7 lbs) — Maximizes comfort without sacrificing protection, encouraging all-day wear compliance.
  • Oval-shaped dual-foam ear cup design — Double sound insulation improves attenuation across key industrial noise frequencies.
  • Impact-resistant ABS ear cups — Built to withstand tough jobsite conditions and repeated daily use.
  • Adjustable, rotating ear cups — Allows quick height and position adjustments for a secure, customized fit for every user.
  • Excellent hot and cold weather performance — Maintains comfort and protection across a wide range of working environments.
  • 304 stainless steel headband — Corrosion-resistant and heat-resistant (up to 870°C intermittent / 925°C continuous) for long service life in demanding industrial applications.
Manufacturer

DENTEC SAFETY SPECIALISTS

Trade Name

SEALTEC

Part Number

77505HB

MOQ

1

UOM

EA

CERTIFICATION

CSA

Protection Rating

NRR 27/Class A

Colour

Black/ Red

Material

Plastic/Metal/Foam

Country of Origin

China

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