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Light-weight |
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minimize material weight |
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Increase sound absorption efficiency [Alpha cabin test] |
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when it is applied to trunk mat in the vehicle, more than
10% of sound absorbing power increased compared with
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foreign MB materials. [main frequency : 500 ~ 5000Hz] |
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Cost-saving productivity by original process |
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more than 10% cost saving compared with existing foreign material |
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Existing low cost sound-absorption materials |
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airborne particulates |
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weighty |
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low sound absorption strength by vinyl coating |
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mechanical bonding |
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airborne particulates |
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weighty |
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easy layer exfoliation |
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Existing high cost sound-absorption materials |
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New development of optimum MB method sound-absorption material |
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“ PP based Melt blown method adopted sound-absorption material ” |
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Melt- Blown PP Sound Absorption Sheet |
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Used ultra-fine fiber |
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Light weight |
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Harmless to human body and allergy free |
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Good sound-absorption properties |
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Classification : 200g/m2, 300g/m2, 400g/m2, 600g/m2, 800g/m2, 1000g/m2 |
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Width (mm) : 500mm / 1000mm / 1500mm |
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Waterproof, low water absorption and good dryness |
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Web-Q(Quiting) |
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Web-QA(Quiting+Adhesive) |
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Web-W(Welding) |
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Frequency (Hz) |
Coefficient |
Frequency (Hz) |
Coefficient |
100 |
0.07 |
800 |
1.05 |
125 |
0.09 |
1000 |
1.04 |
160 |
0.12 |
1250 |
0.98 |
200 |
0.22 |
1600 |
0.95 |
250 |
0.32 |
2000 |
0.92 |
315 |
0.55 |
2500 |
0.90 |
400 |
0.75 |
3150 |
0.88 |
500 |
0.91 |
4000 |
0.91 |
630 |
1.03 |
5000 |
0.90 |
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Light weight [200~1000g/m2] |
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Highly sound absorptive [Alpha cabin, trunk mat equipped test] |
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: increased sound absorption ability by 10% comparing with existing materials |
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Cost down 10% compared with existing imported material |
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Flame retardant : FMVSS 302, ASTM E84, BS6853 etc. |
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High heat insulation :thermal conductivity(KS K 0466) 0.022W/mK |
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Water repellency : water repellent grade 4th [KS K 0590] |
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100% recycling : eco friendly |
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No airborne particulates : comfortable in the vehicle improvement of working environment |
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Flame Retardant Coefficient : |
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Residual flame time : 0.1 sec |
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Residual spark time : 0.0 sec |
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Carried length : 6.1 cm |
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Carried area : 20.6 cm² |
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Specific Optical Density of Smoke [ASTM E662] : |
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Maximum time = 30.5 min |
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Ds Max = 64 |
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Toxic fume [BS6853] |
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R = 0.42 |
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FMVSS No. 302 : pass |
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Tunnel test [ASTM E84] |
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Realization to optimize high efficient sound absorption material |
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multi grades : 200 ~ 1000G |
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lightweight |
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Slim |
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highly sound absorptive |
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flame retardant |
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higher heat insulating for comfortable environment & energy saving |
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Cost Down |
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no airborne particulates |
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Recycling |
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improvement of working environment by no dust |
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Active cooperation for new model vehicle’s NVH material designing.
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