描述

PMMA塑料挤出

PMMA塑料材料

优良的透明度和优异的耐老化性

PMMA具有重量轻、成本低、易于成型的优点

PMMA塑料挤出

产品细节

PMMA塑料挤出

挤出成型

也可以挤出聚甲基丙烯酸甲酯，有机玻璃板、杆、管和片材由悬浮聚合产生的颗粒制备

村庄等待着，但概况是这样准备的。特别是对于板材，由于聚合物的分子量较低，其机械性能、耐热性和耐溶剂性不如浇铸

浇铸型材具有生产效率高的优点，尤其是在使用浇铸方法的管道和其他模具中。难以制造型材。挤出成型可采用单级或双级通风挤出机，螺杆长径比一般为20-25。表2为挤出成型的典型工艺条件

表2聚甲基丙烯酸甲酯挤出成型工艺条件

工艺参数表和棒材

螺杆压缩比22

C筒体后部温度150-180 150-180

中部170-200 170-200

前部170-230 170-200

挤出压力MPa2。8-12.40. 7-3.4.

入口温度C 50-80 50-80

模具温度C 180-200 170-190

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PMMA Plastic Extrusion

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PMMA Plastic Material
Excellent transparency and outstanding aging resistance
PMMA has the advantages of light weight, low cost and easy molding.

PMMA Plastic Extrusion

Product Details

PMMA plastic Extrusion

Extrusion molding

Polymethyl methacrylate can also be extruded, and plexiglass plates, rods, pipes, and sheets are prepared from particles produced by suspension polymerization.

Village waited, but the profiles prepared in this way. Especially for plates, due to the low molecular weight of the polymer, the mechanical properties, heat resistance and solvent resistance are not as good as casting

The molded profile has the advantage of high production efficiency, especially for pipes and other molds when using the pouring method. Difficult to manufacture profiles. Extrusion molding

Single-stage or double-stage vented extruder can be used, screw length to diameter ratio-generally 20-25. Table 2 is the typical process conditions of extrusion molding.

Table 2 Polymethyl methacrylate extrusion molding process conditions

Process parameters sheet and bar

Screw compression ratio 22

C temperature rear part of barrel 150-180 150-180

Central 170-200 170-200

Front 170-230 170-200

Extrusion pressure MPa2.8-12.40. 7-3.4.

Inlet temperature C 50-80 50-80

Die temperature C 180-200 170-190

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