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Automotive & Industrial Filter Grade
Outer Body Paper (SKWS)
Automotive & Industrial Filter Grade
Outer Body Paper (SKWS)
ASPHA's Outer Body Paper is a specialty product engineered with precision to meet demanding industrial requirements, manufactured from high-quality cellulose fibres.
It offers excellent dimensional stability, uniform GSM and smooth surface properties. The paper is specially treated to enhance mechanical strength and tear resistance. Our Outer Body Filter Paper is designed for high filtration efficiency and structural strength, making it ideal for automotive and industrial filter manufacturing.
Available Shades & Applications
Outer Body Paper — SKWS
Technical Specifications
| Product Code | SKWS |
|---|---|
| GSM Options | 130 ± 5 g/m², 140 ± 5 g/m² |
| Thickness | Min 0.19 mm |
| Bursting Strength | Min 3.5 kg/cm² |
| Bursting (After Water) | Min 1.5 kg/cm² (1 min immersion) |
| Tensile Strength MD | Min 5.0 kg/cm (180×15mm strip) |
| Tensile Strength CD | Min 3.0 kg/cm (180×15mm strip) |
| Stability (Color) | Should not dissolve |
| Stability (Delamination) | No delamination |
| Brittle Test (220°C) | No brittle when folded once both sides |
| Hot Oil Aging (100°C) | No brittle — SAE30, 72 hrs |
| Temperature Rating | Up to 220°C (FCO Test) |
| Water Resistance | 55–65% absorption @ 70°C × 24 hrs |
| H.S. Diesel Resistance | 22–28% absorption @ 70°C × 24 hrs |
Full Specification Table
All values measured under our in-house lab conditions per applicable standards.
| Sr. | Characteristic | Units | 130 GSM | 140 GSM |
|---|---|---|---|---|
| 1 | Basic Weight (GSM) | g/m² | 130±5 | 140±5 |
| 2 | Thickness | mm | Min 0.19 | Min 0.19 |
| 3 | Bursting Strength | kg/cm² | Min 3.5 | Min 3.5 |
| 4 | Bursting Strength (after 1 min water immersion) | kg/cm² | Min 1.5 | Min 1.5 |
| 5 | Tensile Strength MD (180×15mm) | kg/cm | Min 5.0 | Min 5.0 |
| 6 | Tensile Strength CD (180×15mm) | kg/cm | Min 3.0 | Min 3.0 |
| 7 | Stability Test (Color) | — | Should not dissolve | Should not dissolve |
| 8 | Stability Test (Delamination) | — | No delamination | No delamination |
| 9 | Brittle Test — 220°C, 16–20 min | — | No brittle (fold once both sides) | No brittle (fold once both sides) |
| 10 | Bursting Strength @ 220°C, 16–20 min | kg/cm² | Min 3.0 | Min 3.0 |
| 11 | Hot Oil Aging — SAE30, 100°C, 72 hrs | — | No brittle (fold once both sides) | No brittle (fold once both sides) |
| 12 | Bursting Strength after Hot Oil | kg/cm² | Min 3.0 | Min 3.0 |
| 13 | Immersion in Kerosene (15 min, ambient) | — | To dark Yellow | To dark White |
| 14 | Contraction 50×5cm @ 150°C, 2 hrs | mm | Max 0.5 | Max 0.5 |
| 15 | Expansion in water, 15 min, room temp | mm | Max 0.4 | Max 0.4 |
| 16 | Resistance vs Water @ 70°C × 24 hrs | % | 55–65% | 55–65% |
| 17 | Resistance vs H.S. Diesel @ 70°C × 24 hrs | % | 22–28% | 22–28% |
Results obtained from tests are based on our in-house lab conditions. These results may vary under different conditions, and we are not legally liable for any assurances or values obtained outside our specified test parameters.
Key Applications
Industries where Outer Body Paper is commonly applied.
Automotive Air Filters
Engine Oil Filters
Fuel Filters
Industrial Filtration
Commercial Vehicles
Hydraulic Filter Systems
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