| 摘要 |
<p>The present invention provides an injection molded article comprising: (a) vinyl polymer; (b) an effective amount for stabilizing the vinyl polymer of tin stabilizer and metallic stearate; and (c) an effective amount for lubricating the vinyl polymer of polyethylene having a Brookfield viscosity at a temperature of 150 °C of between about 1,000 and about 100,000 centipoises and an acid number as determined by standardized titration of KOH of between about 1 and about 40. The present injection molded article has an improved splay rating and is useful as pipe fitting.</p> |
