Audited Supplier
RDS is professional producer for SMC (Sheet Molding Compounds), BMC/DMC (Bulk/Dough Molding Compounds) and relative molded products and boards from these materials. Advanced production line, excellent technology and experienced work team assure we can provide you the products which comply with the international standards and different requirements.
We can design, develop and make the mold or tooling according the customers' drawing or sample. And take the different production formula to produce the different properties SMC or DMC material according customers' technical requirement.
At present, what we produced insulating structural parts are mainly used
in railway and subway industry, automobile industry, power transmission
and transformation, metallurgical industry, wind power industry, electrical
industry and so on.
| Beijing Red Sun Composite Material Co.,Ltd. | |||||||||
| Technical Data | |||||||||
| Reference Standard No. | JB/T 7770-1995 | 2009.4.20 April 20, 2009 | |||||||
| Products | sheet/dough molding compouds | Test method | |||||||
| Properties | Value | - | |||||||
| Types | Unit | SMC-A | SMC-B | SMC-C | DMC-A | DMC-B | DMC-C | - | |
| Density | g/cm 3 | 1.75-1.95 | 1.75-1.95 | 1.75-1.95 | 1.75-1.95 | 1.75-1.95 | 1.75-1.95 | GB 1033-86 | |
| Water Absorption | mg | ≤ 20 | ≤ 20 | - | ≤ 20 | ≤ 20 | - | JB3961-85 | |
| Mould shrink Rate | % | ≤ 0.15 | ≤ 0.15 | ≤ 0.30 | ≤ 0.15 | ≤ 0.15 | ≤ 0.30 | JB3961-85 | |
| Heat Distortion Temp. | Centigrade | ≥ 240 | ≥ 240 | ≥ 220 | ≥ 240 | ≥ 240 | ≥ 220 | JB3961-85 | |
| Impact strength Charpy | kJ/m 2 | ≥ 90 | ≥ 60 | ≥ 45 | ≥ 30 | ≥ 25 | ≥ 20 | GB1043-79 | |
| Flexural Strength | MPa | ≥ 170 | ≥ 150 | ≥ 135 | ≥ 90 | ≥ 80 | ≥ 70 | JB3961-85 | |
| Insulation Resistance | Under normal conditions | Ω | ≥ 1.0×10 13 | ≥ 1.0×10 13 | ≥ 1.0×10 12 | ≥ 1.0×10 13 | ≥ 1.0×10 13 | ≥ 1.0×10 12 | GB10064-88 |
| Impregnated water after 24h | ≥ 1.0×10 12 | ≥ 1.0×10 12 | - | ≥ 1.0×10 12 | ≥ 1.0×10 12 | - | GB10064-88 | ||
| Dielectric strength | MV/m | ≥ 12.0 | ≥ 12.0 | ≥ 10.0 | ≥ 12.0 | ≥ 12.0 | ≥ 10.0 | GB1408-89 | |
| Medium loss factor (1MHZ) | - | ≤ 0.015 | ≤ 0.015 | ≤ 0.015 | ≤ 0.015 | ≤ 0.015 | - | GB1408-88 | |
| Relative dielectric coeff (1MHZ) | - | ≤ 4.5 | ≤ 4.5 | ≤ 4.5 | ≤ 4.5 | ≤ 4.5 | - | GB1409-88 | |
| Arc Resistance | S | ≥ 180 | ≥ 150 | ≥ 180 | ≥ 180 | ≥ 180 | ≥ 180 | GB1411-88 | |
| Proof tracking index (PTI) | V | ≥ 600 | ≥ 600 | ≥ 600 | ≥ 600 | ≥ 600 | ≥ 600 | GB4207-84 | |
| Flame Retardant | Grand | FV0 | FV0 | - | FV0 | FV0 | - | GB11020-89 | |
| Temperature Index | ° C | 155 | 155 | 130 | 155 | 155 | 130 | JB3961-85 | |
| Appearance | - | Smooth surface, no air bubble and crack, no sundries | JB/T7770-1995 | ||||||
| Products Applications | Excellent electrical properties, high mechanical strength, realiable flame resistance arc resistance, and reliable dimensional stability.It can be moulded at low pressure in short period. Widely used in the electircical field, civik construction, railway industry, and automobile field. | ||||||||
