Product Description:
| COMMON NAME | HYDROXYPROPYL METHYL CELLULOSE |
| ABBREVIATION | HPMC |
| CAS NO. | 9004-65-3 |
| STANDARDS COMPLIANT | ENTERPRISE STANDARD |
| CHEMICAL FORMULA | R=CH2CH(CH3)OH |
PHYSICAL AND CHEMICAL PROPERTIES:
* Particle size: 98.5% passes through 100 mesh; 100% passes through 80 mesh.
* Charring temperature: 280-300ºC.
* Bulk density: 0.25-0.70 g/cm3 (Usually around 0.5 g/cm3 )
* Real specific gravity: 1.26-1.31.
* Browning temperature: 190-200ºC.
* Surface tension: (2% water solution) 42-56dyn.cm.
* Properties: Dissolved in water and some organic solvent such as ethanol. propyl alcohol. ethylene chloride, the water solution is of surface activity. It is a nonionic surface active agent. Gelation temperature is different for different grades. For example, among 60RT Hydroxypropyl Methylcellulose, 60 is gelation temperature, Namely, 2% water solution will form gelation at 60%
Specification
| Grade ValueLtems | HPMC |
| 65GSK | 60GSK |
| Hydroxypropoxyl:wt% | 4.0-7.5 | 7.0-12.0 |
| Methoxyl content:wt% | 27.0-30.0 | 28.0-30.0 |
| Gelation temperatureºC | 62-68 | 58-64 |
| Ash ciontennt:wt% | Not more than 1.0 |
| Moisture:wt% | Not more than 5.0 |
| viscosity(2wt%solution) | 3-100000 |
| PH value(1wt%solution) | 4-8 |
| Chlorides:(NaCl)wt% | Not more than 0.2 |
| Arsenic:ppm | Not more than 2 |
| Heavy metals:ppm | Not more than 20 |
Applications
1.Construction industry: with good thixotropy and adhesive, so that mortar can be pumped.As binders in plaster,gypsum material, putty power or other materials.
2.Ceramic industry:widely used as a binder in manufacture of ceramic products.
3.Paint industry: as a thickening agent, dispersing agent and stabilizer in the paint industry, and have a good compatibility in water or organic solvents.
4.Ink printing:as a thickening agent
5.Plastic:as forming release agent, softening agent,lubricant etc.
6.PVC:as dispersant in the polyvinyl chloride production, the main auxiliaries of suspension polymerization for preparing PVC.
7.Others:this product is also widely used in leather,paper products, fresh fruits and vegetables and the textile industry.
Packages & Delivery
packed in 25 kg paper-plastic composite bags or woven bags. It is transported in the form of pallets. Each pallet has 40 bags and a net weight of 1000 kg, Extended packaging on the outside.
We accept International Express--Fedex/DHL/UPS, air shipping and sea shipping
Storage: Storein cool & dry place. Do not freeze. Keep away from strong light and heat.
Shelf life: two years when properly stored.
Shipping method: International express by air, by sea, UPS and EMS service.
Cargo weight
| Packing
| Shipping method
| Lead-time
|
1-50kg
| Below 5kg Use Foil bag;
5-25kg use two layer PP bag,then into master carton or cardboard drum
| International express
(Fedex/ DHL/UPS)
| 1~3 days after payment |
100-200kg
| 25kg/drum,use two layer PP bag,then into cardboard drum
| Air shipping
Sea Shipping | 5~7 days after payment |
Over 500kg
| 25kg/drum,use two layer PP bag,then into cardboard drum
| Sea shipping
| 7~10 days after payment |
FAQ
Q1: How can I get a sample?
A: Free samples is available. You only pay shipping cost.
Q2: Which payment terms do you accept?
A: Payment can be done by T/T, Western Union,Money Gram,etc.
Q3: How to confirm the Product Quality before placing orders?
A: Every product is with professional COA. Please be sure about the quality.If any doubt, sample is available to you to be tested before large quantity order.
Q4: When will my order be shipped?
A: Within 3 working days after the payment.
Q5: How do you treat quality complaint?
First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us,we will
send you free goods for replacement or refund your loss.
China
