with a nip pressure of 40 psi and percent wet pick up of approximately 120 the pre dye finish composition formulation by weight percent of bath was as follows water 73 6 y30 0 1 tween 20 0 2 rhoplex tr934hs 15 0 tr934hs is an acrylic copolymer emulsion registered to rhom amp haas co of delaware rhoplex tr407 10 0 tr407 is an acrylic copolymer emulsion ammonia 0 1 sancure 861 1 0 sancure is a water based urethane resin registered to sanncor industries inc of massachusetts the following benchmarks have been established in connection with nonwoven fabrics which exhibit the desired combination of durability softness abrasion resistance etc for certain apparel and home use applications thermal shrinkage is determined by initially cutting 11 inch by 11 inch square samples of the test fabric the samples being taken at a minimum of 4 inches from the edge of the fabric roll indelible reference markings are directly indicated on the sample at a 1 inch increment from each corner a 9 inch span being centrally located on each edge of the sample resulting the samples are then placed in an operating convention style oven of which has obtained and is maintaining a 350 u00b0 f temperature the samples are incubated for 30 minutes at the conclusion of the incubation period the samples are removed and allowed to cool on a flat surface until the samples reach ambient temperature samples are remeasured against the said reference markings the difference between the final measure and the initial measure is presented in the form of a percent change the test data in table 1.