BS EN ISO 2554:1999. Plastics - Unsaturated polyester resins - Determination of hydroxyl value. BS EN ISO 2554 specifies a method for determining the hydroxyl value of unsaturated polyester resins. In fact, this method determines the difference between the hydroxyl value and t.he acid value; it is therefore necessary t.o determine the total acid value separately, in order to calculate...
BS EN ISO 1600:1999 pdf free
BS EN ISO 1600:1999 pdf free.Plastics - Cellulose acetate - Determination of light absorption of moulded specimens produced using different periods of heating. BS EN ISO 1600 specifies a method for the determination of light absorption of cellulose acetate, employing test specimens taken from two mouldings which have been produced using different periods of heating. The aim is to provide...
ISO 291:2008 pdf free
ISO 291:2008 pdf free.Plastics — Standard atmospheres for conditioning and testing. ISO 291:2008 sets out specifications relating to the conditioning and testing of all plastics and all types of test specimen at constant atmospheric conditions. Special atmospheres applicable to a particular test or material or simulating a particular climatic environment are not included in this International Standard. 3 Terms and...
ISO 62:2008 pdf free
ISO 62:2008 pdf free.Plastics — Determination of water absorption. Introduction of ISO 62: ISO 62:2008 describes a procedure for determining the moisture absorption properties in the “through-the-thickness” direction of flat or curved-form solid plastics. It also describes procedures for determining the amount of water absorbed by plastic specimens of defined dimensions, when immersed in water or when subjected to humid...
BS EN ISO 4600:1998 pdf free download
BS EN ISO 4600:1998 pdf free download.PLASTICS - DETERMINATION OF ENVIRONMENTAL STRESS CRACKING (ESC) - BALL OR PIN IMPRESSION METHOD. Environmental stress cracking is exhibited by many materials, including plastics. When a plastic material is stressed or strained in air below its yield point, stress cracking can occur after a period of time, which may be very long. These stresses...
BS EN ISO 11963:2012 download free
BS EN ISO 11963:2012 download free.Plastics - Polycarbonate sheets - Types, dimensions and characteristics. This International Standard specifies the requirements for solid, flat extruded sheets of polycarbonate (PC) for general applications. It applies specifically to sheets made of poly(p,p’-isopropylidene-diphenyl carbonate). The sheets may be coloured or colourless, and they may he transparent, translucent or opaque. The sheets may also have...
BS EN ISO 527-1:1996
BS EN ISO 527-1:1996 pdf free.Plastics - Determination of tensile properties - Part1.General principles. 1.1 This part of ISO 527 specIfies the general principles for determining the tensile properties of plastics and plastic composites under defined conditions. Sever& dIfferent types of test specimen are defined to suit different types of material which are detailed in subsequent parts of ISO 527....
BS ISO 22196:2011 pdf free
BS ISO 22196:2011 pdf free.Plastics — Measurement of antibacterial activity on plastics surfaces. Antibacterial materials and products have been widely and rapidly accepted by general consumers as fulfilling a relatively new function, which is distinguishable from the more traditional function of material protection. Antibacterial products created by incorporating an antibacterial agent (biocide) can suppress the growth of bacteria on the...