Polyethylene designation system

ISO 1872-1 1993 Plastics - Polyethylene (PE) moulding and extrusion materials - Part 1 Designation system and basis for specifications ISO 1872-2 1997 Plastics - Polyethylene (PE) moulding and extrusion materials - Part 2 Preparation of test specimens and determination of properties ISO 1969 2004 Fibre ropes - Polyethylene - 3- and 4-strand ropes ISO 3458 1976 Assembled joints between fittings and polyethylene (PE) pressure pipes -Test of leakproofness under internal pressure ISO 3459 1976 Polyethylene (PE) pressure pipes - Joints assembled with mechanical fittings - Internal under-pressure test method and requirement ISO 3501 1976 Assembled joints between fittings and polyethylene (PE) pressure pipes -Test of resistance to pull out... 

ISO 6402-1 2002 Plastics - Acrylonitrile-styrene-acrylate (ASA), acrylonitrile-(ethylene-propylene-diene)-styrene (AEPDS) and acrylonitrile-(chlorinated polyethylene)-styrene (ACS) moulding and extrusion materials - Part 1 Designation system and basis for... 

ISO 1872-1 1993 Plastics - Polyethylene (PE) moulding and extrusion materials - Part 1 Designation system and basis for specifications. 

Plastics—Polyethylene (PE) and Ethylene Copolymer Thermoplastics— Part 1 Designation System and Basis for Specifications... 

Plastics—Polyethylene (PE) Moulding and Extrusion Materials—Part 2 Preparation of Test Specimens and Determination of Properties Plastics—Polypropylene (PP) Moulding and Extrusion Materials—Part 1 Designation System and Basis for Specifications Plastics—Polypropylene (PP) Moulding and Extrusion Materials—Part 2 Preparation of Test Specimens and Determination of Properties Plastics—Polyamides (PA) Moulding and Extrusion Materials—Part 1 Designation System and Basis for Specifications Plastics—Polyamides (PA) Moulding and Extrusion Materials—Part 2 Preparation of Test Specimens and Determination of Properties... 

The outdated standard DIN 16776-1 84 Polyethylene and Ethylene Copolymer Thermoplastics Classification and Designation and the replacing European standard EN ISO 1872-1 1999 Plastics Polyethylene (PE) Moulding and Extrusion Materials Part I Designation System and Basis... 

Physical Solution. In this type of process the component being absorbed is more soluble in the liquid absorbent than other components of the gas stream, but does not react chemically with the absorbent. The equilibrium concentration of the absorbate in the liquid phase is strongly dependent on the partial pressure in the gas phase. An example is the absorption of hydrogen sulfide and carbon dioxide in the dimethyl ether of polyethylene glycol (Selexol Process). Relatively simple analytical techniques have been developed for designing systems of this type. 

In practical product design, a full LCA is seldom performed. The unit operations represent whole systems, which are used as building blocks. Typical examples include elementary flows determined for the manufacture of 1 m-1-mm sheet metal of galvanized steel, incineration of 1 kg of polyethylene, or production and distribution of 1 MJ electricity. ... 

The concrete block walls of the cell housing the generator tube and associated components are 1.7 meters thick. The facility also includes a Kaman Nuclear dual-axis rotator assembly for simultaneous transfer and irradiation of reference and unknown sample, and a dual Na iodide (Nal) scintillation detector system designed for simultaneous counting of activated samples. Automatic transfer of samples between load station to the rotator assembly in front of the target, and back to the count station, is accomplished pneumatically by means of two 1.2cm (i.d.) polyethylene tubes which loop down at both ends of the system and pass underneath the concrete shielding thru a pipe duct. Total one-way traverse distance for the samples is approx 9 meters. In performing quantitative analysis for a particular element by neutron activation, the usual approach is to compare the count rates of an unknown sample with that of a reference standard of known compn irradiated under identical conditions... 

Example 4 Design a flat, perforated-plate grid for the polyethylene reactor schematically shown in Fig. 11, and calculate the gas j et penetration depth. Use a triangular pitch. System parameters are ... 

The process developed at CPRR is said to be similar in its layout to those used in private industry. Most plastic reclamation systems are designed to work with rigid containers, such as PET beverage bottles, and HDPE milk or household product containers, because they are currently the easiest postconsumer items to collect and sort. PET beverage bottles are actually not one, but several materials a PET body (clear or green), a pigmented high-density polyethylene (HDPE) base cup, aluminum cap, label, and adhesives. To separate these components, either a dry or wet separation method based on one or more of the different physical properties of the materials can be used. 

Preliminary estimates for full-scale treatment costs of uranium-contaminated soils were developed based on laboratory-scale studies. The process design uses polyethylene glycol (PEG) (15% solution) and sodium carbonate (10% salt solution) for the aqueous biphasic extractiou system. Uranium is recovered from the salt-rich phase by methanol precipitation. Methanol is then recovered by distillation. 

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