1.Chemical name: HPMC

2.Technical  Specifications

The viscosity of HPMC is 2% water solution at 20°C.

Three、Properties:

1. 1. Appearance: HPMC is white or similar to white fiber or granular powder; Odorless.

2. Fineness (Graininess) The oversize product above 100 mesh should be more than 98.5%,and  80 mesh should be more than 100%.

3. Carbonization temperature: 280-300℃。

4. Apparent density: 0.25-0.70g/cm³, density is1.26 g/cm³.- 1.31g/cm³.

5. Color temperature: 190-200℃

6. Surface tension:

7.With reduction of methoxyl groups content, HPMC is increased in gelling temperature and decreased in water solubility and surface activity. 

8.

Dissolving process
HPMC will agglomerate when directly added to water and then dissolve. In this way it dissolves very slow and hard. Suggested methods as followers:
1. In hot water.
HPMC does not dissolve in hot water. The primary HPMC can be uniformly disperse in hot water. Then cool down in two ways:
1) Add water in container to 1/3 or 2/3 of its content. Heated to over 70 centigrade add HPMC by sequence of a). Make it disperse to form slurry state. Add cool water or ice to the resideual content, stir and cool down the mixture.
2. Powder combination.
Mix HPMC with identical volume of other powder, disperses them sufficiently then add water to the

 
Five、. Application
It is widely used asdispersing agent, stabilizing agent in PVC industry., it can change the mean grain size, size distribution,and internal structure of suspended polymer. It is the main adjuvant of PVC making.

In addition, it can be used as thickening agent, stabilizing agent, emulsifying agent, water-retaining agent, and film-forming agent in petrochemical industry, coating, building industry, ink printing industry, ceramics and cosmetics.

Six. Packing and Delivery

1.Double-layer bag The product is packed in polyethylene film bag enclosed in composite film bag. Net weight is 25kgs per bag.

2. protect the product against humidity and moisture.