Barite has various applications in Sound Absorption.
Automotive Industry
In the automotive industry, Barite (BaSO4) is used in various sound insulation parts to prevent engine noise from reaching the interior of the vehicle.
Silent Pipe and Waste Water Systems
Barite (BaSO4) is preferred to use as a noise suppressor in High Filled Polypropylene (PP) and Polyethylene (PE) sewage and sewage pipes. Since the density of PP and PE is low, the noise becomes a problem. For this reason, it is more suitable to use barite, which has a much higher density than calcite, as a filler.
Polyurethane Plate
One of the main areas where Barite (BaSO4) used for sound insulation is polyurethane foam carpet underlays and mats. In this application, barite filling improves the quality of the product due to its sound damping feature. In addition to its flexibility and high density, it is highly preferred because of its chemical inertness.
| Special Products for Sound Absorption & Insulation | ||||||
| Product Groups |
Mean Size, D50 (Micron) Min. - Max. |
Top Cut Size, D98 (Micron) Min. - Max. |
Specific Gravity (gr / cm3) |
Oil Absorption (ml/100g) Min. - Max. |
L*(CIE) | Ry, Brightness (Min. - Max. %) |
| Double Ex |
1,4 - 4,0 | 7 - 21 | 4,10 - 4,40 | 13-15 | 97 | 94 - 97 |
| EX |
1,4 - 6,0 | 7 - 45 | 96 | 90 - 94 | ||
| A EX |
1,85 - 6,0 | 9,5 - 45 | 95,5 | 88 - 90 | ||
| B EX |
1,85 - 6,0 | 9,5 - 45 | 94,5 | 85 - 87 | ||
| STD |
1,4 - 8,5 | 7 - 45 | 91 | 75 - 85 | ||
| STD NTR |
1,85 - 6,0 | 9,5 - 45 | 10-12 | 90 | 65 - 75 | |
| 1040 |
10 | 40 | 96-90 | 65 - 94 | ||
| 1570 |
15 | 70 | 91 | 65 - 85 | ||
| NON-MICRONIZED |
8 - 15 | 70 | 80 | 55 - 85 | ||
| Special Products for Sound Absorption & Insulation |
||||||
| Product Groups |
Mean Size, D50 (Micron) Min. - Max. |
Top Cut Size, D98 (Micron) Min. - Max. |
Specific Gravity (gr / cm3) |
BaS04 (Min %) | L*(CIE) | Ry, Brightness (Min. - Max. %) |
| FRICTION & INSULATION |
15 | 70 | 4,10 - 4,40 |
83-94 | 60-80 | 65 - 85 |
