Global Polytec Ltd.,Part.

Posts Tagged ‘molder’

Located in High-tech Park of Nanping, Zhuhai, China, owing factory of large area, plenty of skilled designers and workers, Zhuhai Weichuang Technology Co., Ltd which belongs to Hong Kong Weichuang S&T Co., Ltd, specializes in manufacturing plastic injection products, mould design, mould making on electronic products, communication equipments, home appliances, hardwares, automation products and office supplies. So far, Weichuang has owned 10000 square meters factory, 300 employees, tens of branded machines and several production lines, whose precision ups to 0.001 mm. LKM, Assab and other high-quality steel are chiefly imported for moulds, and our plastic materials involve PET, PC, PS, PMMA, PA, POM, PP, ABS, and so on. Moreover, our technology in PET injection stays advanced position in this area. To improve competitiveness, advanced technologies and equipments such as SEIKI, SODICK have been importing by our factory for both injection and molding workshops, as well as senior professionals and managements, foreign staff are also employed. Weichuang’s main markets overseas covered USA, Europe, Asia and Middle East, as all production processes meet the international standards DME, HASCO and MISUMI, and Weichuang has the technology of SMED, which could save much cost for customers. Weichuang’s chief clients are Boeing, Motorola, GE, Carrefour, and so on. By now, Weichuang’s overseas sales takes up 90% of main business all year long. Since foundation, Weichuang sticks to the …

www.zappos.com Durable and tough suede uppers. Padded tongue and collar for comfort and support. Silicone reinforced toe cap allows the shoe to fit, function, and flex normally while adding a layer of very durable abrasion protection. The first thing to blow out on a skate shoe? The seams in the ollie area. The Davenport, however, boasts a seamless toe, preventing blow out. Plus, with no seams, you get a more consistent flick. Cocoon socklining is structurally integrated right into the upper to ensure proper fit and control regardless of tightly the upper is laced. Comfortable PU foam at the Cocoon’s core does not restrict breathability. A super lightweight Phylon EVA midsole is molded in a single process, creating dual cushioning zones that offer both comfort and support. Rubber is the most durable and gripping component of a shoe. The Davenport sole is designed in a manner that reduces rubber content, thus reducing weight, without sacrificing core durability or skate function. Injection molded heel offers the extra support you need to keep your foot where it belongs on those sketchy landings. The flex grooves in the outsole are inset deep into the rubber, allowing the shoe to flex freely and respond to your needs. The shape of the grooves ensures that the shoe flexes in all directions as needed. Weight: 14 oz Product measurements were taken using size 11. Please note that measurements may vary by size.

This excerpt is an introduction to the purpose and objectives of the In-Mold Rheology Test and explains the relationship of shear thinning, shear rate and material viscosity. This test graphs viscosity over shear rate and results in curve that can be used to establish an optimum processing window. These courses were produced for technicians and process engineers that want to thoroughly evaluate both the capability and repeatability of a given injection molding machine, injection mold, or injection molding process. Each course references three in-depth tests and will greatly benefit any participant of RJGs classroom-based, Master Molder SM Certification Series either as a primer or as follow-up training. A. Routsis Associates – Complete Training Solutions for the Plastics Industry. Visit www.traininteractive.com for state-of-art plastics training, including interactive CD-ROM and online training.
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Injection Mold Tooling Process. How molds are made. Billy Carmen From Product News Channel

Question by qcfx2a: Are virgin PVC pellets toxic when melted in an injection molder?
I keep seeing resources that the manufacturing of PVC plastic is toxic, but I can’t find any info on virgin PVC pellets and if melting them in an injection molder is or isn’t toxic.

Best answer:

Answer by zircalium
No. PVC manufacturing involves the toxic vinyl chloride gas. However, PVC plastic should contain very little of the monomer, not enough to be hazardous.

Hazardous fumes will be released if the PVC starts to burn, so don’t let the temperature get too high.

What do you think? Answer below!