Science, asked by niangbawi9595, 1 month ago

what is the effect of dry heat on polyester?
SUBJECT: home science

Answers

Answered by jeffrinesujan2020

Answer:

The main aim of heat setting process is ensure that fabric do not alter their dimensions during use. This is process for the stabilisation of synthetic fibres so they do not shrink on heating. Polyester shrinks -7% in boiling water and 20% at 220 degree C. Higher the pressure higher the shrinkage.

Previous Question

Next Question

Similar questions

Math, 22 days ago

The volume of a cuboid is 2x^3+x^2-2x-1 m^3. Find the dimensions of the cuboid...

Music, 22 days ago

Answer this___________...

English, 22 days ago

define 3 agencies of UN:/...

Psychology, 1 month ago

Read the case study and answer the questions given below. Bruce, a research chemist for a major petro-chemical company, wrote a dense report about some new compounds he had synthesized in the laboratory from oil-refining by-products. The bulk of the report consisted of tables listing their chemical and physical properties, diagrams of their molecular structure, chemical formulas, and computer...

Math, 1 month ago