Woven Sacks

MFI  Measuring   The  melt flow index  ( MFI ) is a  measure  of the ease of flow of the melt of a  thermoplastic   polymer . It is defined as the  mass  of polymer, in grams, flowing in ten minutes through a capillary of a specific diameter and length by a pressure applied via prescribed alternative gravimetric weights for alternative prescribed temperatures.Polymer processors usually correlate the value of MFI with the polymer grade that they have to choose for different processes, and most often this value is not accompanied by the units, because it is taken for granted to be g/10min. Similarly, the test conditions of MFI measurement is normally expressed in kilograms rather than any other units. The method is described in the similar standards  ASTM  D1238 and ISO 1133. Melt flow rate is an indirect measure of molecular weight, with high melt flow rate corresponding to low molecular weight. At the same time, melt flow r...

Specifications of polypropylene Polypropylene (PP) is a thermoplastic polymer used in a wide variety of applications including packaging and labeling, textiles (e.g., ropes, thermal underwear and carpets), stationery, plastic parts and reusable containers of various types, laboratory equipment, loudspeakers, automotive components, and polymer banknotes. Most commercial polypropylene is isotactic and has an intermediate level of crystallinity between that of low-density polyethylene (LDPE) and high-density polyethylene (HDPE). Polypropylene is normally tough and flexible, and has good resistance to fatigue. An addition polymer made from the monomer propylene, it is rugged and unusually resistant to many chemical solvents, bases and acids. Basic knowledge of polypropylene Polypropylene (PP) is a thermoplastic resin polymerization system of propylene monomer. In accordance with the spatial location of the polypropylene molecular-CH3, can be divided into isotac...

The properties of woven polypropylene bags come from two aspects: 1. Properties of polypropylene 2. Properties of woven method Polypropylene has qualities of rot/flame/chemical resistance, and woven method means strong yet breath. Combining together with other factors, we got 9 facts of woven polypropylene bags. · Woven Polypropylene Bags are reusable. · Woven Polypropylene Bags don’t degrade when wet. · Woven Polypropylene Bags are naturally resistant to tearing. · Woven Polypropylene Bags can be printed on one side or both sides. · Woven Polypropylene Bags allow the contents to breath until air dried. · Woven Polypropylene Bags have better burst strength than plastic bags. · Woven Polypropylene Bags can be laminated as the vapor and moisture barrier. · Woven Polypropylene Bags can be partially transparent for outstanding presentation. · Woven Polypropylene Bags can be side gusseted to accommodate bulky items easily. it’s an eco-friendly fabric. It can be melted ...