Tensile weight

Material Density (g/cm ) Young s modulus (GPa) Tensile strength (MPa) Modulus to Tensile weight ratio strength to (10 m) weight ratio (10 m)" ... 

TVt 571717.694 Maximum tensile weight on both tail lugs... 

An important application of Eq. (3.39) is the evaluation of M, . Flory et al.t measured the tensile force required for 100% elongation of synthetic rubber with variable crosslinking at 25°C. The molecular weight of the un-cross-linked polymer was 225,000, its density was 0.92 g cm , and the average molecular weight of a repeat unit was 68. Use Eq. (3.39) to estimate M. for each of the following samples and compare the calculated value with that obtained from the known fraction of repeat units cross-linked ... 

Chemical Bp, °C Test temperature. Tensile Elongation Weight... 

Changes in piopeities <15% aie consideied insignificant test peifomied on 250—1250-)J.m microtensile bars tensile strength, elongation, and weight gain deterniined within 24 h after termination of exposure. 

Product Substrate/fiber Coating Weight, Thick Density, Tensile Elongation Tear Water-vap Flex... 

Product Basis weight, g/m Thickness, mm a b Tensile strength, N a b Tear strength, N Mullen burst, kPa Bonding method... 

Tensile Properties. Tensile properties of nylon-6 and nylon-6,6 yams shown in Table 1 are a function of polymer molecular weight, fiber spinning speed, quenching rate, and draw ratio. The degree of crystallinity and crystal and amorphous orientation obtained by modifying elements of the melt-spinning process have been related to the tenacity of nylon fiber (23,27). 

Definitions of the commonly measured tensile properties are as follows Unear density (tex) is the weight in grams of 1000 m of yam. Tenacity is the tensile stress at break and is expressed in force-per-unit linear density of unstrained specimen, N /tex. Knot tenacity is the tensile stress required to mpture a single strand of yam with an overhand knot tied in the segment of sample between the testing clamps. It is expressed as force-per-unit linear density and is an approximate measure of the britdeness of the yam. Toop tenacity is the tensile stress required to mpture yam when one strand of yam is looped through... 

Film or fibers derived from low molecular weight polymer tend to embrittle on immersion ia acetone those based on higher molecular weight polymer (>0.60 dL/g) become opaque, dilated, and elastomeric. When a dilated sample is stretched and dried, it retains orientation and is crystalline, exhibiting enhanced tensile strength. The tensile heat-distortion temperature of the crystalline film is iacreased by about 20°C, and the gas permeabiUty and resistance to solvent attack is iacreased. 

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