ADR / DDR

Greetings

i'm looking forward to designing tools
i have some questions ,i would be really thankful if u answers them

about Area Drawdown ratio:

is Area Drawdown equal to Shrinkage factor of plastics?

if yes what is the relation between ADR and Shrinkage factor?

for example if the shrinkage factor for PVC is 3% then what is PVC ADR?

-were can i find the ADR/DDR for different plastic material?

Hello Ms Ali Hosseini,

Please read and carefully understand these two web pages:

www.bhtool.com/advisor-article2.htm
www.bhtool.com/advisor-article3.htm

Shrinkage is an entirely different subject.

Talk with various polymer suppliers to obtain their recommended DDRs

Thank you.