Soarnol™grades

Boil and retort grades RB series

Soarnol™ RB series are special grades to improve “whitening, delamination and elusion” after hot water treatment (boil and retort).
By using Soarnol™ RB series, it is possible to reduce whitening, delamination and elusion of multilayer film after boil and retort treatment.

Film evaluation after retort treatment

Pouches with water were treated under 120 ~ 130 ˚C, 30 min and checked appearance and edge part. Soarnol™ RB grade reduce whitening and delamination after retort treatment.
―Pouch structure:
PP/Tie/EVOH/Tie/PP=10/10/10/10/10µm

32mol%EVOH
Film appearance Edge part observation
Before treatment CLEAR? 32mol%EVOH
After treatment Letters became invisible due to whitening 32mol%EVOH
Soarnol™ RB series
Film appearance Edge part observation
Before treatment CLEAR? Soarnol™ RB series
After treatment CLEAR? Soarnol™ RB series

Procedure of evaluation

Put pouch into water (120 ˚C) for 30 min Pouch with waterPut pouch into water (120 ˚C) for 30 min Pouch with water

Application

Retort rice, IV bag, Chinese dumpling, pet food

  • Retort riceRetort rice
  • Stand-up pouchStand-up pouch
  • Pet foodPet food

For more detail about RB series,please contact below;

Soarnol Unit
TEL:+81 3 6748 7803