Print Page

快乐飞艇开奖号码记录

poly_comp02

快乐飞艇一码计划

  • Sound Absorber
  • Noise Barrier
  • Optimal Noise Containment
  • Decoupler Isolates Vibration

WARNING: Polyurethane Foam is Flammable. Flame Spread > 400; Smoke Developed: > 480. ASTM E84

快乐飞艇全天计划单期


快乐飞艇官方登录

Material

Polyurethane Acoustical Foam Bonded to 1lb. – sq. ft. mass loaded Vinyl Noise Barrier with Polyurethane Foam Vibration Decoupler

Pattern

Flat Surface

Applications

This polyurethane board is ideally suited to line equipment enclosures. Commonly used to line walls and ceilings of utility or mechanical rooms to absorb and contain the noise source. Use this polyurethane insulated foam panel where sound absorption, noise reduction and vibration control are needed.

Thickness

1-3/8″

Sizes

24″×48″; Special Sizes Available Upon Request.

Colors

Charcoal (unfaced)

Facing Options

Black Tuftane, Aluminized Mylar, Paint Available for Polyurethane Board Upon Request. PSA Adhesive Back Available.

Flammability

UL-94/HFI – Pass. ASTM E84 – Unrated

Elongation

ASTM-D-412-DIE C = 325%

Tensile Strength

ASTM-D-412-DIE C = 358.2lbs. psf. Class C10

Installation

Acoustical adhesive or pressure sensitive adhesive backing. Use polyurethane insulated foam panel's mechanical attachment for overhead installations.

Reverberation Demonstration

Polyurethane Composite Foam Sheet – Sound Absorption Coefficients
Type B Mounting – ASTM C423-90a
125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC
Polyurethane Composite 0.13 0.60 0.81 0.97 1.00 0.90 0.85

 

Polyurethane Composite Foam – Sound Transmission Data
ASTM E90-75; ASTM E413-73
125Hz 250Hz 500Hz 1KHz 2KHz 4KHz STC
Polyurethane Composite 17 22 20 32 31 43 28

poly_comp06