A form of extrusion using two or more counter rotating rolls in which film and sheet is produced by squeezing a hot, viscous material between them....
ASTM D1182-54 test method describes this measurement of mass per unit volume of a molding powder (in large volume determinations)....
A measure for judging the relative merits of materials for low temperature flexing or impact – i.e., the temperature at which materials rupture by impact under specified conditions....
Method of fabrication in which a warm plastic parison (hollow tube), is placed between the two halves of a mold cavity and forced to assume the shape of that mold cavity by use of air pressure....
Upon addition to plastics or rubbers and then heating, this chemical generates inert gases, which results in the resin assuming a cellular structure....
These additives act as pesticides and are used to inhibit the growth of fungus, bacteria & viruses and other pests....
A resin or other material used to hold particles together. The binder is the continuous phase in a reinforced plastic, which provides mechanical strength or ensures uniform consistency, solidification, or adhesion to a surface coating. Typical binder materials include resin, glue, gum and casein....
Bulk-molding compounds are used as a premix in composite manufacturing. A BMC consists of a mixture of resin, reinforcements, inert fillers, and other additives, which form a puttylike preformed shape, rope or sheet. ...
