Xingtai Lang Bo Imp & Exp Trading Co., Ltd.

China Manufacturer with main products: Titanium Dioxide, Citric Acid, Caustic Soda

Home  >Products Catalog > HPMC (Hydroxy Propyl Methyl Cellulose) for Mortar,Tile adhesive & grouts,wall putty

HPMC (Hydroxy Propyl Methyl Cellulose) for Mortar,Tile adhesive & grouts,wall putty

FOB Price: 3,500.00 - 5,500.00 USD/Metric Ton
Supply Ability: 500 Metric Ton/Metric Tons per Month
Shipping: within 7 work days after receiving your payment
Payment Terms: T/T
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Hebei in China
Packaging Details: Inner polyethylene film bag and outer plastic coated triad compound bag or paper tube. 25Kg each

Quick Details

  • Classification: Chemical Auxiliary Agent
  • Model Number: 50-200000
  • Brand Name: JINOCEL
  • Usage: construction building materials
  • Type: Cellulose
  • Purity: 98.5
  • EINECS No.: NONE
  • MF: HPMC
  • Other Names: Hydroxy Propyl Methyl Cellulose
  • CAS No.: 9004-32-4

Specifications

Products Indicators
 
Quality Standard

Model No.
Indicator
Item
JL60 JL65 JL75
Methoxy group 28-30%; 27-30% 19-24%
Hydroxyl propyl 7-12% 4-7.5% 4-12%
Gelation temperatureoC 58-64 62-68 70-90
Loss on drying ≤5%
Ash content ≤1%
PH value:1% solution of 25 oC 4-8
Chloride(NaCl) ≤0.2%
Arsenic salt ≤2
Heavy metal ≤20
Viscosity(2% aqueous solution,20oC) 5-200000
 
Viscosity Specifications
Category Specification Scope
Very low viscosity(mPa.S) 5 3-7
10 8-12
15 13-18
Low viscosity(mPa.S) 25 20-30
50 40-60
100 80-120
High viscosity(mPa.s) 4000 3500-5600
12000 12000-14000
Very High viscosity(mpa.s) 20000 18000-22000
40000 35000-55000
75000 70000-85000
100000 90000-120000
150000 130000-180000
200000 180000-230000
150000 >230000
 
Notes: Viscosity value of the aqueous solution with concentration of 2% under 20oC. CMC of various specific indicators can be produced and provided as the customer application requirements.
 
Physicochemical Properties
 
a) Appearance: White or similar to white powder, odorless.
b)   Graininess: More than 98.5% sieving rate for 100 mesh; Totally 100% sieving rate for 80 mesh.
c) Carbonization Temperature: 280-300 oC
d) Apparent Density: 0.25 to 0.70 g/cm3 (usually around 0.5 g/cm3), e) Specific Gravity: 1.26-1.31
f) Color-change Temperature: 190-200 oC
g)Surface Tension: 42-56 dyn/cm in 2% aqueous solution.
h) Solubility: HPMC is soluble in water and some organic solvents. Its aqueous solution has surface activity. The solubility changes with the viscosity. The higher viscosity, the better solubility. The performance is different for different HPMC. HPMC solubility is not affected by PH value.
i) Methoxyl content: With the reduction of methoxyl content, gel point raise up, water solubility reduce, surface activity decrease.
j) Inertness: No heat, chemical inertness, and not participate in the metabolism of human body.
 
Main Application
 
a) Construction
- Used as the water retaining agent and retarder in mortar to make it has good pumpability.
- Used as adhesives in plaster, gypsum material, putty powder or other construction materials to improve its workability and extend the operation time.
- Used as paste enhancer of ceramic tile, marble and plastic decoration and reduce usage of cement.
- HPMC water retention property can prohibit too fast dry and cracking after the slurry spraying and enhanced strength after hardening.
b) Ceramic industry
- Used widely as binder in the ceramic production industry.
c) Coating industry
- Used as thickening agent, dispersing agent and stabilizer in the coating industry.
- Have a good compatibility in water or organic solvents.
- Used as the paint remover/stripper.
d) Ink printing
- Used as thickening agent, dispersing agent and stabilizer in the printing ink industry.
- Have a good compatibility in water or organic solvents.
e) Plastic
-Used as forming release agent, softening agent, lubricant.
f) Polyvinyl Chloride (PVC)  
-Used as dispersing agent in polyvinyl chloride production and is the main auxiliary for the suspension polymerization of PVC
g) Others:
- Used widely in the industry of leather, paper products, textile, fruits and vegetables fresh keeping, etc.
 
Dissolution Method
 
Hydrothermal Solution Method:
For HPMC does not dissolve in hot water, first HPMC can be dispersed uniformly in the hot water, then dissolved quickly while cooling down. Two typical methods are described as follows:
a) Method One of Hydrothermal Solution
-Put needed amount of hot water in container and heat to about 70 oC.
-Add gradually Hydroxyl Propyl Methyl Cellulose(HPMC) while slowly stirring.
-HPMC first floating on the surface of the water, then gradually formed a slurry and cooling down under stirring.
b) Method Two of Hydrothermal Solution
- Put 1/3 or 2/3 needed amount of water in container and heat to about 70oC.
-Following a) method, HPMC disperse and complete the preparation of hot water slurry.
- Put the remaining amount of cold water to the hot water slurry, stirring and cooling down the mixture.
Dry Powder Mixing Method:
-Blend HPMC powder into a lot of other powder material and fully mixed by the mixer.
-Dissolved in water, then HPMC can be dissolved without condensation. Each little HPMC powder at every corner will dissolve when wet.
 
HPMC quality
 
Simple and intuitive judgment method of HPMC quality.
-Whiteness:
Although whiteness cannot determine whether the HPMC easy to use or not, good products mostly has good whiteness appearance.
-Fineness:
HPMC usually has 80 mesh and 100 mesh fineness, and less has 120 mesh. In general, the finer of fineness, the better of quality.
-Transparency:
Put HPMC into the water and form a transparent colloid. The bigger transparency of light, the better of the quality.
-Specific Gravity: The larger and heavier of specific gravity, the better of quality. Mainly because the hydroxylpropyl content inside. If Hydroxyl propyl content is higher, the water retention will be better
 
Packing
 
Packing, storage& transportation precautions
a) Packing:
- Inner polyethylene film bag and outer plastic coated triad compound bag or paper tube.
- 25Kg each bag;
b) Storage& Transportation:
-No damage during the transportation.
-Protect from humidity, rain, sunlight, damp and wet.
-Put in dry and ventilated place During storage.
- Remainder must be promptly sealed and packed to prohibit from wet.

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