Outline. Features. Structure. Standard Size

Transcription

1 Foam sealing material SEAL-SAVER Offers a high level of waterproofing while maintaining all the basic function of NITTO EPTSEALER Outline Realizes high water sealing performance while maintaining all the basic functions of NITTO EPTSEALER, the high-function sealing material that protects automobile interiors from rain, wind, heat and impact. SEAL-SAVER is a high-function waterproof sealing material that is easy to work with and is able to provide a watertight seal with minimal pressure. Features The main component, EPDM rubber foam,displays superior resistance to heat, weather, and chemicals (acids and alkalis) as compared with general purpose rubbers. Nitto Denko s adhesive technology has been utilized to add a special waterproof layer to the foam materials. Does not display its adhesive property before applying, and it does not harm workability. Providing a high level of waterproofing with very little compression, SEAL-SAVER can be thinner than general foam. Flexibility and low rebound make assembly work easier. Structure (high water pressure resistant type) (standard type) Special waterproof layer EPDM rubber foam (closed cell structure) Acrylic adhesive Special waterproof layer EPDM rubber foam (semi-closed cell structure) Acrylic adhesive Standard Size Product No. Thickness (mm) Width (mm) Length (m) 3/5/8/ /8/1 Doc No. EPT-31-E-2 213/9/19 1/5

2 Applications Waterproofing for high mount stop lamp. Waterproofing for rear combination lamp. Propertie Conform to JIS K 6767 Product No. Density (g/cm³) Tensile strength(n/cm²) Foam elongation (%) Compression Ratio vs. Compression Hardness Relations Compression rate(%)= (N/cm2) 3 thickness before compression thickness after compression thickness before compression X 1 Compression hardness Compression rate(%) (N/cm2) 5 Compression hardness Compression rate(%) Doc No. EPT-31-E-2 213/9/19 2/5

3 Compression rate vs. Watertightness Relations Compression(%) : No water leakage after 24hour : Water leakage within 24hour Note U-shaped 1mm thickness and wide test specimens were punched out and placed between acrylic and aluminum plates for compression to a preset load. Then the text specimens were filled with water to the depth of 1mm, and checked for leakage. Test sample 1mm x 1mm x 3mm Acrylic plate Aluminum plate Water depth 3mm Heat Resistance Test method: JIS K 6767 Heating condition: 1 C 3 Retained elongation (%) Time (days) Doc No. EPT-31-E-2 213/9/19 3/5

4 Weatherability Test method : JIS K 6767 Radiated by sunshine weatherometer 3 Retained elongation (%) Time (days) Peeling adhesion Foam adhesive N/15mm Tensile Stainless steel Test method A 15mm wide piece of foam/tape is applied to stainless steel with a 2kg roller passed back and force once. After allowing it to set for 3minutes,adhesive strength is measuredby peeling the foam/tape at a 9 angle. Pulling rate: 3mm/min. Measurement temperature : Room temperature Doc No. EPT-31-E-2 213/9/19 4/5

5 Precautions Wipe oil, moisture, and dust off the surface of adherends thoroughly before application. When processing foam/synthetic resin adhesive into ribbons, make sure to cut and process it in lengthwise. If it is cut in widthwise, the tape may stretch when using. The adhesive is pressure-sensitive. Handle it with utmost care. Most recommended temperature for adhesion is above 1 C. (If the temperature is below 1 C(like in winter), their initial adhesive strength will be low.) Place the original roll of these products horizontally for storage to avoid deformation. Keep the products away from high temperatures and humidity, and store them in a dark cool place avoiding direct sunlight. The numbers in this data sheet are typical measurements in our laboratory, and not guaranteed values. Make sure the product is suitable for the application (objective and conditions) before attempting to use. The tape may come off depending on the substrate to which it is applied or conditions under which it is applied. Doc No. EPT-31-E-2 213/9/19 5/5