China Suppliers > LIAONING DECHENG SCIENCE & TECHNOLOGY GROUP CO.,LTD. > DCH 03C Cable Jacket
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DCH 03C Cable Jacket
Category : Polymers/Synthetic Rubber
CAS NO : EC NO : MF : MW : Specification : Cable Jacket colored generally non-extended burned under the temperature at 65°C Packing : 25KG/CARTON Product description : DCH 03C Cable Jacket colored generally non-extended burned under the temperature at 65°C I. Foreign Equivalent Grade XH-03C Heavy O&FR of O FR BS 6899 II. Illustration With Chlorinated Polyethylene (herein below called CPE) elastomer CM361M, blended with other additives and pigments, CPE Jacket has good properties of fire retardancy, oil-proof, wearing-proof, tearing-proof, good resistance to cold & weathering and excellent mechanical properties. Our DCH03C rubber-sheath Compound follows GB7594.5-87 standard, or SE4. Rubber sheath made by CDH 03C is the first ideal substitution of CR & CSM because of its excellent properties, good extruded rubber surface and lower cost. III. Application 1. Mine cables distinguish its pressure's class according to their colors as per the regulation of GB12972-91 & MT818-1999 standard. 2. Our yellow and red DCH 03C compounds are suitable for 0.66/1.14kv & 3.6/6kv cable for mine purpose. They have bright color, permanent stability, smooth and flat surface, excellent mechanical properties and exceed traditional CR colored cable sheath far away. IV. Comparison of Material Properties & Standard No. Test Item Unit GB7594-87XH-03C DCH03C Sheet DCH03CFinal Pdt 1 Mechanical properties before aging 1.1 Tensile Strength Mpa ≥11.0 13.5 13.3 1.2 Elongation at break % ≥250 450 460 2 Mechanical properties after ageing (75°C, 10days) 2.1 Change ratio of Tensile Strength (Maximum) % -15~+15 8.5 8.0 2.2 Change ratio of Elongation at break (Maximum) % -25~+25 -10 -11 3 Heat-extending test Test condition Temperature °C 200 Load time min 15 Mechanical stress Mpa 0.2 3.1 Elongation in load % ≤175 40 30 3.2 Permanent set after cooling % ≤25 10 5 4 Dipped mine oil test Test condition Oil temperature °C 100±2 Oil-absorption time h 24 4.1 Change ratio of Tensile Strength (Maximum) % -40~+40 -9 -10 4.2 Change ratio of Elongation at break (Maximum) % -40~+40 -14 -16 5 Low temperature Tensile test (-35°C) Test temperature % 90 6 Maximum elongation at break N/mm 8.4 8.0 7 Scorched time（140°C） Min > 30 Remarks: GB12972-1991 standard tearing strength ≥7.5N/mm，MT818-1999 standard tearing strength ≥5N/mm Oxygen Index can be adjusted according to the customers' requirement. V. Processing Condition Continuous vulcanization production method is preferred Reduction ratio of extruder: 1.1:1-1.5:1 Length-diameter ratio: 6:1-16:1(hot feed is suggested if lower than 10:1) Temperature of extruder: 65-85°C Curing pipe's temperature: 80-200°C (13-15Mpa) VI. Package & Storage Generally, 25kgs in one carton box or depends on customers' requirements. Shape of the material: Rectangle rubber sheet & depends on customers' request. The material should be stored at clean, dry, draughty warehouse Uses : Cable Jacket Synonyms : no data
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