N7233HL BK Ravago PA6/12 HYLON N7233HL BK
|型号||HYLON N7233HL BK|
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一般这种情况同注塑机的射咀孔过小有关,因为射咀是同模具长期接触的,模具温度很低20-90 ℃,射咀温度240-280 ℃,他们之间存在温差难免会发生热交换,当射咀的温度降到尼龙的熔点以下时,射咀孔被冻结,在下次注射时得大的压力冲开,造成压力损失产生*注,但这时加大注塑压力后,生产几模后又会涨模。从现象看是注塑机注塑不稳定,其实是射咀孔过小,加大射咀孔这个现象就会消失。
Ravago is a Belgian plastic producing company with its headquarters located in Luxembourg. The company is active in polymer and chemical distribution, building materials, recycling and compounding of plastic and elastomeric raw materials. Theodoros Roussis is the chief executive officer of the company.
In the United States, Ravago has six main subsidiary companies: Amco, Channel Prime Alliance, Entec, Muehlstein, Ravago Chemicals North America (RCNA) and Ravago Manufacturing Americas. Ravago has plastic compounding facilities in the United States located in Pennsylvania, Michigan, Ohio, Tennessee, and Texas.
On 25 April 1961, the company was founded by Raf Van Gorp and in 1965 he bought the premises of his former employer, a dynamite company (PRB: Poudre Reunion d'Arendonk, Belgique) in Arendonk.
Today, the Ravago group represents over 6,600,000 metric tons of annual polymer sales serving more than 50,000 active customers through 325+ locations across more than 55+ countries worldwide. Ravago’s production competence consists of 45+ manufacturing facilities of which 19 recycling and compounding plants in North America, Europe, Asia and Africa with a combined annual capacity of over 775,000 metric tons; 13 production plants in Europe that are offering finished products for the building sector and 7 plants and 7 application laboratories for the Chemicals business.