Pertex®H50 is a methyl-hydroxypropylcellulose ether. Together with polyvinyl alcohol, cellulose ethers are important primary suspending agents for vinyl chloride suspension polymerisation due to their surface activity, gelation properties and organic solvent solubility.
Properties and uses
Appearance Off-white power
Methoxy content (%) 27.5 – 29.5
Hydroxypropyl content (%) 7.5 – 10.5
Viscosity (mPa.s)* 45.0 – 55.0
H2O content (%) 3.0max
PH of solution 5.5 – 8.0
* 2% sol.dry @ 20ºC Brookfield RV
The use our suspending agents requires no significant plant modification.
- Pertex H50 should be stored away from wet areas and naked flames. Ingress of moisture should be avoided to maintain product quality.
- As supplied, the product should remain fit for use for 12 months from the date of delivery. Beyond that date, the material may still be fit for use, but we would advise that it is good practice to test the material. As such, we advise that material stored for 12 months or more after delivery should be tested before use.
- Pertex H50 is supplied in 20kg (nominal) paper sacks. Each sack carries the grade number, batch number and net weight. Deliveries are palletised with each pallet being stretch wrapped and labelled with the relevant shipping marks.
Before handling, please read the Safety Data Sheet of this product for advice on safety, use and disposal.
For further information regarding this product please refer to:
TianJin Sunnymer Suspending Agents Co., Ltd Head Office
Phone: +86 (0)22 63313182
FAX: +86 (0)22 63313199