
Product Category
Automotive & NVH Foam
Polyurethane foam materials and converted components for automotive seating, interior trim, sealing, anti-rattle, vibration-isolation and tire acoustic applications.
Representative Products
Product Series
YUNDY provides technical development and volume-production support based on customer requirements.
Automotive Seat Comfort & Support Foam SeriesExpand / Collapse Product Properties
| Grade | Color | Density (KG/M³) | ASKER-F Hardness | Indentation Hardness (kpa) | Tear Strength (KG/CM) | Tensile Strength (KG/CM²) | Elongation (%) | Compression Set (%) | Rebound | Flame Performance | Details |
|---|---|---|---|---|---|---|---|---|---|---|---|
YAS382 View Details & Images +![]() Polyurethane comfort foam for automotive seat cushions, backrests or liner support applications; final fit and performance are reviewed by project. | Black | 35±3 | 30±5 | — | 0.4↑ | 0.8↑ | 100↑ | ≤10 | — | GB8410 ≤100 | View Details & Images +![]() Polyurethane comfort foam for automotive seat cushions, backrests or liner support applications; final fit and performance are reviewed by project. |
YA404C View Details & Images +![]() Polyurethane comfort foam for automotive seat cushions, backrests or liner support applications; final fit and performance are reviewed by project. | Black | 45±5 | 47±5 | — | 0.4↑ | 0.8↑ | 150↑ | ≤10 | — | GB8410 ≤100 | View Details & Images +![]() Polyurethane comfort foam for automotive seat cushions, backrests or liner support applications; final fit and performance are reviewed by project. |
YAS515 View Details & Images +![]() Polyurethane comfort foam for automotive seat cushions, backrests or liner support applications; final fit and performance are reviewed by project. | Black | 50±5 | 45±5 | — | 0.4↑ | 0.8↑ | 150↑ | ≤10 | — | GB8410 A≤100 | View Details & Images +![]() Polyurethane comfort foam for automotive seat cushions, backrests or liner support applications; final fit and performance are reviewed by project. |
YAS652 View Details & Images +![]() Polyurethane comfort foam for automotive seat cushions, backrests or liner support applications; final fit and performance are reviewed by project. | Black | 65±5 | 20±5 | — | 0.2↑ | 0.3↑ | 100↑ | ≤10 | — | GB8410 ≤100 | View Details & Images +![]() Polyurethane comfort foam for automotive seat cushions, backrests or liner support applications; final fit and performance are reviewed by project. |
ESA454 View Details & Images +![]() Comfort and support foam for automotive seats and cushion liners; final performance is validated by project. | Black | 45±4 | — | 3.5±0.5 | ≥0.3 | ≥0.6 | ≥120 | — | ≥50 | ≤100 | View Details & Images +![]() Comfort and support foam for automotive seats and cushion liners; final performance is validated by project. |
ESA552 View Details & Images +![]() Comfort and support foam for automotive seats and cushion liners; final performance is validated by project. | White | 55±5 | — | 4.0±0.5 | ≥0.5 | ≥0.8 | ≥120 | — | ≥40 | ≤100 | View Details & Images +![]() Comfort and support foam for automotive seats and cushion liners; final performance is validated by project. |
ESA8035 View Details & Images +![]() Comfort and support foam for automotive seats and cushion liners; final performance is validated by project. | White | 80±5 | — | 3.5±0.5 | ≥0.3 | ≥0.6 | ≥120 | — | ≥40 | ≤100 | View Details & Images +![]() Comfort and support foam for automotive seats and cushion liners; final performance is validated by project. |
ESA9535 View Details & Images +![]() Comfort and support foam for automotive seats and cushion liners; final performance is validated by project. | White | 95±5 | — | 3.5±0.5 | ≥0.3 | ≥0.6 | ≥120 | — | ≥40 | ≤100 | View Details & Images +![]() Comfort and support foam for automotive seats and cushion liners; final performance is validated by project. |
Automotive Flame-Laminated Foam SeriesExpand / Collapse Product Properties
| Grade | Color | Density (KG/M³) | ASKER-F Hardness | Tear Strength (KG/CM) | Tensile Strength (KG/CM²) | Elongation (%) | Compression Set (%) | Flame Performance | Details |
|---|---|---|---|---|---|---|---|---|---|
ESF255B View Details & Images +![]() Flame-laminated foam for automotive seating or interiors; application and flame-performance requirements are validated by project. | Gray | 25±2 | 70±5 | ≥0.45 | ≥0.8 | ≥120 | ≤8 | ≤100 | View Details & Images +![]() Flame-laminated foam for automotive seating or interiors; application and flame-performance requirements are validated by project. |
ESF284 View Details & Images +![]() Flame-laminated foam for automotive seating or interiors; application and flame-performance requirements are validated by project. | Gray, White | 28±2 | 75±5 | ≥0.3 | ≥0.8 | ≥120 | ≤8 | ≤100 | View Details & Images +![]() Flame-laminated foam for automotive seating or interiors; application and flame-performance requirements are validated by project. |
ESF304 View Details & Images +![]() Flame-laminated foam for automotive seating or interiors; application and flame-performance requirements are validated by project. | Gray, Black | 30±3 | 75±5 | ≥0.3 | ≥0.82 | ≥150 | ≤8 | ≤100 | View Details & Images +![]() Flame-laminated foam for automotive seating or interiors; application and flame-performance requirements are validated by project. |
ESF3575LF View Details & Images +![]() Yellowing-resistant material for projects using light-colored leather; final suitability and yellowing performance are validated by project. | Gray | 35±3 | 80±5 | ≥0.45 | ≥0.8 | ≥130 | ≤8 | ≤100 | View Details & Images +![]() Yellowing-resistant material for projects using light-colored leather; final suitability and yellowing performance are validated by project. |
ESF406 View Details & Images +![]() Flame-laminated foam for automotive door panels; structure and flame-performance requirements are validated by project. | Gray, White | 40±3 | 65±5 | ≥0.4 | ≥0.8 | ≥80 | ≤8 | ≤100 | View Details & Images +![]() Flame-laminated foam for automotive door panels; structure and flame-performance requirements are validated by project. |
ESF554 View Details & Images +![]() Flame-laminated foam for automotive seating or interiors; application and flame-performance requirements are validated by project. | Gray | 55±3 | 55±5 | ≥0.5 | ≥0.8 | ≥150 | ≤8 | ≤100 | View Details & Images +![]() Flame-laminated foam for automotive seating or interiors; application and flame-performance requirements are validated by project. |
SF4050 View Details +Flame-laminated foam for automotive applications. | Gray | ≥37 | 70±5 | ≥0.5 | ≥1.2 | ≥150 | — | ≤100 | View Details +Flame-laminated foam for automotive applications. |
Tire Acoustic Foam SeriesExpand / Collapse Product Properties
| Grade | Color | Density (KG/M³) | ASKER-F Hardness | 40% Compression Hardness (N) | Tear Strength (KG/CM) | Tensile Strength (KG/CM²) | Elongation (%) | Compression Set (%) | Flame Performance | Details |
|---|---|---|---|---|---|---|---|---|---|---|
ESF252 View Details & Images +![]() Automotive tire acoustic foam; material suitability and acoustic performance are validated by project. | Black | 25±2 | 55±5 | — | ≥0.3 | ≥0.8 | ≥120 | ≤10 | ≤100 | View Details & Images +![]() Automotive tire acoustic foam; material suitability and acoustic performance are validated by project. |
Y-23 View Details & Images +![]() Automotive tire acoustic foam; material suitability and acoustic performance are validated by project. | Gray | 23±2 | 75±5 | — | ≥0.6 | ≥1.0 | ≥150 | ≤10 | — | View Details & Images +![]() Automotive tire acoustic foam; material suitability and acoustic performance are validated by project. |
SC-30 View Details +Tire acoustic foam used as a sound-absorbing layer inside the tire cavity; final specifications are confirmed by project. Reference Test Details Density (kg/m³) GB/T6343-2009 Specification: 30±3Test Result: 31.5 / 32.8 Elongation (%) GB/T6344-2008 Specification: ≥300Test Result: 473 / 478 / 482 Tensile Strength (kg/cm²) GB/T6344-2008 Specification: ≥1.5Test Result: 1.58 / 1.89 / 1.71 Tear Strength (kg/cm) JISK 6400 Specification: ≥0.7Test Result: 1.16 / 1.20 / 1.12 40% Compression Hardness (N) ISO2439 Specification: 130±15Test Result: 137 / 142 | Black | 30±3 | — | 130±15 | ≥0.7 | ≥1.5 | ≥300 | — | — | View Details +Tire acoustic foam used as a sound-absorbing layer inside the tire cavity; final specifications are confirmed by project. Reference Test Details Density (kg/m³) GB/T6343-2009 Specification: 30±3Test Result: 31.5 / 32.8 Elongation (%) GB/T6344-2008 Specification: ≥300Test Result: 473 / 478 / 482 Tensile Strength (kg/cm²) GB/T6344-2008 Specification: ≥1.5Test Result: 1.58 / 1.89 / 1.71 Tear Strength (kg/cm) JISK 6400 Specification: ≥0.7Test Result: 1.16 / 1.20 / 1.12 40% Compression Hardness (N) ISO2439 Specification: 130±15Test Result: 137 / 142 |
Ventilated Seat Foam SeriesExpand / Collapse Product Properties
| Grade | Color | Density (KG/M³) | ASKER-F Hardness | Tear Strength (KG/CM) | Tensile Strength (KG/CM²) | Elongation (%) | Compression Set (%) | Ventilation Performance | Flame Performance | Details |
|---|---|---|---|---|---|---|---|---|---|---|
ESF284T View Details & Images +![]() Ventilated foam for automotive seats; ventilation performance is validated against the sample structure and project conditions. | Gray | 30±2 | 55±5 | ≥0.4 | ≥0.8 | ≥100 | ≤8 | ≥1400L/dm2/min | ≤100 | View Details & Images +![]() Ventilated foam for automotive seats; ventilation performance is validated against the sample structure and project conditions. |
ESF357T View Details & Images +![]() Ventilated foam for automotive seats; ventilation performance is validated against the sample structure and project conditions. | Gray | 35±3 | 65±5 | ≥0.4 | ≥0.8 | ≥80 | ≤8 | ≥900L/dm2/min | ≤100 | View Details & Images +![]() Ventilated foam for automotive seats; ventilation performance is validated against the sample structure and project conditions. |
ESAR3035PPI View Details & Images +![]() Ventilated foam for automotive seats; ventilation performance is validated against the sample structure and project conditions. | Gray | 30±3 | 35±5 | ≥0.5 | ≥0.7 | ≥160 | ≤8 | ≥2800L/dm2/min | ≤100 | View Details & Images +![]() Ventilated foam for automotive seats; ventilation performance is validated against the sample structure and project conditions. |
YAR35PPI View Details & Images +![]() Ventilated foam for automotive seats; ventilation performance is validated against the sample structure and project conditions. | Black | 26±2 | 65±5 | ≥0.5 | ≥0.7 | ≥100 | ≤8 | ≥2600L/dm2/min | ≤100 | View Details & Images +![]() Ventilated foam for automotive seats; ventilation performance is validated against the sample structure and project conditions. |
YAR40PPIB View Details & Images +![]() Ventilated foam for automotive seats; ventilation performance is validated against the sample structure and project conditions. | Black | 50±3 | 65±5 | ≥0.5 | ≥0.7 | ≥100 | ≤8 | ≥2600L/dm2/min | ≤100 | View Details & Images +![]() Ventilated foam for automotive seats; ventilation performance is validated against the sample structure and project conditions. |
Automotive Battery Support Foam SeriesExpand / Collapse Product Properties
| Grade | Color | Density (KG/M³) | 30% Deformation Resistance | Tear Strength (KG/CM) | Tensile Strength (KG/CM²) | Elongation (%) | PPI | Details |
|---|---|---|---|---|---|---|---|---|
YR24100 View Details & Images +![]() Automotive battery support foam for battery frames and related support products. | White | 22+3/-2 | ≥120g | ≥0.4 | ≥1.5 | ≥180 | 95±10 | View Details & Images +![]() Automotive battery support foam for battery frames and related support products. |
SR2711 View Details & Images +![]() Automotive battery support foam for battery frames and related support products. | White | 27±2 | ≥120g | ≥0.4 | ≥2.0 | ≥240 | 110±10 | View Details & Images +![]() Automotive battery support foam for battery frames and related support products. |
SR28120 View Details & Images +![]() Automotive battery support foam for battery frames and related support products. | White | 30±3 | ≥120g | ≥0.4 | ≥2.0 | ≥240 | 120±10 | View Details & Images +![]() Automotive battery support foam for battery frames and related support products. |
Halogen-Containing Automotive Flame-Retardant Foam SeriesExpand / Collapse Product Properties
| Grade | Color | Density (KG/M³) | ASKER-F Hardness | Indentation Hardness (kpa) | Tear Strength (KG/CM) | Tear Strength (N/M) | Tensile Strength (KG/CM²) | Tensile Strength (KPA) | Elongation (%) | Flame Performance | Details |
|---|---|---|---|---|---|---|---|---|---|---|---|
KA18 | Black, Gray | 20±2 | 50±5 | — | 0.4↑ | — | 0.6↑ | — | 80↑ | GB8410≤80mm/min | |
YA154 | Black | 15±2 | 35±5 | — | 0.3↑ | — | 0.5↑ | — | 70↑ | GB8410≤80mm/min | |
YA2370 | Light black | 23±2 | 65±5 | — | 0.4↑ | — | 0.8↑ | — | 80↑ | GB8410 Class B | |
YA25 | Gray, Black | 25±2 | 65±5 | — | 0.5↑ | — | 1.0↑ | — | 80↑ | Electronics: UL94 HF-2 Automotive: GB8410≤100mm/min | |
YA28 | Black | 28±2 | 85±5 | — | 0.4↑ | — | 1.0↑ | — | 80↑ | GB8410 ≤100mm/min | |
YA287 | Black | 28±3 | 70±5 | — | 0.4↑ | — | 0.8↑ | — | 80↑ | GB8410 ≤100mm/min | |
YA305 | Gray | 28±2 | 70±5 | — | 0.4↑ | — | 1.0↑ | — | 80↑ | GB8410 Class A | |
YA307 | Black, Gray | 30±3 | 70±5 | — | 0.4↑ | — | 1.0↑ | — | 80↑ | GB8410 ≤100mm/min | |
YA307B | Gray | 30±3 | 60±5 | — | 0.4↑ | — | 1.0↑ | — | 80↑ | GB8410 ≤100mm/min | |
YA35 | Gray, Black | 35±3 | 85±5 | — | 0.4↑ | — | 1.0↑ | — | 60↑ | GB8410 Class A | |
YA40 | Black, White | 40±3 | 85±5 | — | 0.5↑ | — | 1.0↑ | — | 80↑ | GB8410 Class A | |
YA404 | Black | 40±3 | 40±5 | — | 0.4↑ | — | 0.7↑ | — | 120↑ | GB8410 ≤100mm/min | |
YA658 | Black, White | 65±5 | 90±5 | — | 0.5↑ | — | 1.5↑ | — | 60↑ | GB8410 ≤100mm/min | |
YAK205 | Black | 20±2 | 45±5 | — | 0.4↑ | — | 0.6↑ | — | 80↑ | GB8410≤100mm/min | |
YAS453 | Black | 45±5 | 30±5 | — | 0.3↑ | — | 0.5↑ | — | 80↑ | GB8410 ≤100mm/min | |
YAS604 | Black | 60±5 | — | 2.5-3.5 | — | ≥200 | — | ≥100 | ≥150 | GB8410 ≤100mm/min |
Halogen-Free Automotive Flame-Retardant Foam SeriesExpand / Collapse Product Properties
| Grade | Color | Density (KG/M³) | ASKER-F Hardness | Tear Strength (KG/CM) | Tensile Strength (KG/CM²) | Elongation (%) | Flame Performance | Details |
|---|---|---|---|---|---|---|---|---|
YU255B | Black | 25±2 | 45±5 | 0.5↑ | 1.0↑ | 80↑ | GB8410 ≤100mm/min | |
YU284 | Black | 28±2 | 50±5 | 0.5↑ | 0.8↑ | 100↑ | GB8410 Class A | |
YU30 | Black | 35±3 | 60±5 | 0.4↑ | 0.8↑ | 80↑ | GB8410 Class A | |
YU356 | Black | 30±3 | 60±5 | 0.4↑ | 0.8↑ | 80↑ | UL94 HF-1 |
Environmental / Compliance Support
RoHS, REACH, and related requirements can be supported based on the product and customer requirements.
Existing grade colors are shown for reference. Other colors can be customized based on project requirements.
























