Makrolon WB1239 PC is a global grade; volume melt index (300 °C/1.2 kg) 2.5 cm3/10 min; blow molding; high viscosity; branched chain structure; food contact quality; extrusion blow molding; injection molding Stretch blow molding; available in clear colors only; available in water bottles for drinking.
Features of Covestro Makrolon WB1239:
1. PC has excellent performance and good light transmission ability, and its light transmittance is close to 90%. The relative density is 1.20, which is smaller than polyoxymethylene and polyvinyl chloride, larger than polyolefin, and similar to polymethyl methacrylate.
2. PC is a transparent, white or yellowish rigid and tough polymer. It burns slowly when burning, and extinguishes slowly after leaving the fire. The flame is yellow, with black smoke and carbon beams. After burning, it melts and foams, and emits a flowery and fruity smell.
3. Rigid and tough, high impact resistance, high dimensional stability and wide range of service temperature, good electrical insulation, non-toxic and heat resistance, and can be formed by extrusion molding and injection molding Obtain the expected effect, make it develop very rapidly, the world’s annual consumption has exceeded 300,000 tons at present.
German Covestro Makrolon PC WB1239 application field:
1. Electronic appliances: CDs, switches, home appliance casings, signal tubes, capacitors, telephone casings, telephone switches, signal relays and parts, etc.;
2. Automotive application fields: bumper, switchboard, safety glass, etc.;
3. Industrial parts: camera body, equipment casing, helmet, diving goggles, safety lenses, etc.;
4. Optical lighting: large lampshade, protective glass, left and right eyepiece tubes of optical instruments, etc.;
5. High-precision parts: electronic computers, video recorders, etc.;
6. Mechanical equipment: various gears, racks, worm gears, worms, bearings, cams, bolts, levers, crankshafts, ratchets, mechanical equipment shells, covers and frames, etc.
7. Medical equipment: medical cups, barrels, bottles, dental instruments, drug containers and surgical instruments, and can also be used as artificial organs such as artificial kidneys and artificial lungs.
8. Other aspects: it is used in construction as hollow-reinforced double-wall panels, greenhouse glass, etc.; in the textile industry, it is used as textile bobbins, textile machine bearing bushes, etc.; Plug-ins, coil frames, tube holders, insulating sleeves, battery shells for miner’s lamps, insulating leather bags, audio tapes, color video tapes, etc.
More grades of Covestro Makrolon series:
German Covestro (Bayer) Makrolon PC 8025 20% reinforced glass fiber; high viscosity; easy release; extrusion; injection molding – melting temperature 310
Covestro (Bayer) Makrolon PC 8035 reinforced 30% glass fiber; milled fibers; high viscosity; easy release; extrusion
Covestro (Bayer) Makrolon PC 8315 reinforced 10% glass fiber; high viscosity; easy release; injection molding
Covestro (Bayer) Makrolon PC 8325 20% reinforced glass fiber; high viscosity; easy release; extrusion; injection molding
Covestro (Bayer) Makrolon PC 8345 reinforced 35% glass fiber; high viscosity; easy release; injection molding – melting temperature 310
Covestro (Bayer) Makrolon PC 9125 20% glass fiber reinforced; chlorine and bromine free flame retardant; UL 94V-0 medium viscosity
Covestro (Bayer) Makrolon PC 9415 reinforced 10% glass fiber; flame retardant; UL 94 V-0 high viscosity; easy release
Covestro (Bayer) Makrolon PC 9417 10% reinforced glass fiber; chlorine and bromine free flame retardant; UL 94V-0/1.5 mm and 5VA/3.0
German Covestro (Bayer) Makrolon PC 9425 20% reinforced glass fiber; chlorine and bromine free flame retardant; UL 94V-0/1.5 mm and 5VA/3.0
Covestro (Bayer) Makrolon PC AG2677 Medium viscosity; UV stabilized; easy release; injection molding – melting temperature 280 – 320 °.
Bayer PC: food grade 2858; impact resistance 2605; high flow 2407;
Bayer PC: 2405, 2458, 2805, 2865, 3103, 3105, 3208, 6485, etc.;
German Bayer flame retardant PC: 6485, 8555, 6585, 6557, etc.;
The following are the physical properties of Covestro Plastic Makrolon WB1239
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