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Rubber Compound Rubber

Mixed rubber refers to the uncrosslinked and fluid rubber material in which the compounding ingredients are mixed in block, granular and powder raw rubber. Raw rubber or plasticized rubber is mixed according to the formula and compounding agent through the rubber mixer

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Hardness	Colour	Condition	Density Kg/m3	Tensile strength MPa	Elongation at break%	Compression set%	Water absorption%	Heat shrinkage %	Dimensions(mm)
8±2	Black	obturator	100±20	≥0.3	≥200	≤30	≤2	≤3	1000×2000
10±3	Black	obturator	75±15	≥0.3	≥150	≤30	≤2	≤3	1000×2000
15±3	Black	obturator	130±20	≥0.5	≥150	≤30	≤2	≤3	1000×2000
18±3	Black	obturator	120±20	≥0.5	≥150	≤25	≤1	≤3	1000×2000
20±3	Black	obturator	175±25	≥0.7	≥150	≤25	≤1	≤3	1000×2000
30±3	Black	obturator	190±30	≥0.9	≥150	≤25	≤1	≤3	1000×2000
40±5	Black	obturator	220±30	≥1.0	≥200	≤25	≤2	≤3	1000×2000
20±3	Black	obturator	140±20	≥0.5	≥150	≤30	≤1	≤3	1000×2000
20±5	Black	obturator	120±20	≥0.5	≥150	≤30	≤1	≤3	1000×2000
18±5	Gray	obturator	140±20	≥0.5	≥150	≤30	≤1.5	≤3	1000×2000