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- Region :Polymers/Synthetic Rubber
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DCH 03A Cable Jacket
Category : Polymers/Synthetic Rubber
CAS NO : EC NO : MF : MW : Specification : Cable Jacket Heavy non-extended burned under the temperature at 65°C Packing : 25KG/CARTON Product description : DCH 03A Cable Jacket Heavy non-extended burned under the temperature at 65°C I. Foreign Equivalent Grade XH-03A Heavy O&FR of O FR BS 6899 II. Illustration With Chlorinated Polyethylene (herein below called CPE) elastomer CM361M as basic material, blended with other additives, CPE compound has the properties of fire retardancy, oil-proof, wearing-proof, tearing-proof, good resistance to cold, weathering and excellent mechanical properties. Our DCH03A rubber-sheath Jacket follows GB7594.7-87 standard, our Heavy O&FR follows O FR BS6899 standard. Rubber sheath made by DCH03A is the first ideal substitution of CR&CSM because of to its excellent properties, good extruded rubber surface, good flexibility, light weight of cable (lower density) and lower cost. III. Application 1. Heavy cable sheath for mine coal purpose, especially for the heavy cable of mine coal and heavy moving cable, etc. 2. Soft cable sheath follows the standard of GB12972-91 for min purpose. 3. Soft cable sheath follows the standards of MT818-1999 for min coal. High fire-retardancy compounds (O.I≥40%) can be supplied because of bundle burned required. 4. Heavy flat cable sheath that has request of properties of fire retardancy, oil-proof, high strength. IV. Comparison of Material Properties & Standard . Test Item Unit/GB7594-87(XH-03A)/DCH03A Sheet/DCH03AFinal Pdt 1 Mechanical properties before aging 1.1 Tensile Strength Mpa ≥11.0 14.28 13.8 1.2 Elongation at break % ≥250 380 395 2 Mechanical properties after ageing (75°C, 10days) 2.1 Change ratio of Tensile Strength (Maximum) % -15~+15 8.5 7 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 Tensile strength Oil temperature °C 100±2 Oil-absorption time h 24 4.1 Change ratio of Tensile Strength (Maximum) % -40~+40 -7 -6 4.2 Change ratio of Elongation at break (Maximum) % -40~+40 -11 -10 5 Low temperature Tensile test (-35°C) Maximum elongation at break % 110 6 Tearing strength 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 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 stoned at clean, dry, draughty warehouse. Uses : Cable Jacket Synonyms : no data
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