AL300 Acoustic Louver

• Material: Extruded aluminum 6063-T5 / 6063-T6
• Blade Type: Single Bank, Drainable
• Finish: Anodized / Powder Coated/PVDF
• Certification: ASTM E90 / ASTM E413
• Frame Thickness: 2.0-3.0 mm
• Angle: 40°
• Louver Depth: 300 mm
• Blade Thickness: 2.1 mm
• Blade Orientation: Vertical

Product Overview
Togen’s AL300 offers high-performance sound attenuation for environments with elevated acoustic requirements. Tested under ASTM E90 (STC pending), its deep-profile design provides increased transmission loss and weather durability.

Acoustic performance test standard ASTM E90，Sound Transmission Class (STC) Ratings per ASTM E413

Frequency（Hz）	125	250	500	800	1000	2000	4000	6300	8000	STC	%Free Area	Weights kg/m2
Tranmission Loss（dB）	5	4	10	15	16	20	17	16	16	15	31	45.95
Noise Reduction (dB）	11	10	16	21	22	26	23	22	22	15	31	45.95

Test Results At Standar Air On BS EN 13030:2001
Intake Ce	Airflow Rate m3/s	Pressure Pa	Ce Class
0.285	2.41	43	3
Exhaust Cd	Airflow Rate m3/s	Pressure Pa	Ce Class
0.295	2.43	41	3

Key Features

• High Acoustic Performance: Designed for superior STC and noise isolation capabilities.
• Deep Blade Geometry: Enhanced sound path complexity and airflow management.
• Tested per ASTM E90: Supports acoustic data validation and design compliance.

Applications

•   Air handling units in hospitals and labs
•   Industrial generator enclosures
•   Highway barriers with acoustic elements

Technical Resources

📄 Download: Togen Technical Datasheet (PDF)
📐 Request: CAD Drawings & Installation Details
🧱 Explore: Material Specs & Structural Info

FAQ

1.   Q: How is AL300 different from AL200?
A: It has deeper blades and better sound reduction for high-demand applications.
2.   Q: Is STC available?
A: Testing is done per ASTM E90; STC value is pending or customized by project.
3.   Q: Is this weatherproof?
A: Yes, it is made with corrosion-resistant coating and outdoor-tested structure.