China Manufacturer methylcellulose powder buy modified hpmc
Product Description
Hydroxypropyl methylcellulose (INN name: Hypromellose), also simplified as hydroxypropyl methylcellulose (HPMC), is a variety of nonionic cellulose mixed ethers. It is a semi-synthetic, inactive, viscoelastic polymer .This product is industrial grade HPMC, mainly used as the dispersing agent for PVC production and as the main assistant used in producing PVC suspension polymerization.
It is also used as thickener, stabilizer, emulsifier, excipient, water retention agent, and film-forming agent etc.in producing petrochemicals, building materials, paint removers, agricultural chemicals, inks, textiles, ceramics, paper. cosmetics and other products.
Physicochemical Properties
1. Exterior: White or off-white powder
2. particle size: the passing rate of 80 mesh is 100% the passing rate of 100 mesh is more than 99.5%
3. Charring density:280-300℃
4. Apparent density: 0. 25-0.70g/cm(usually around 0.5g/cm), the proportion is 1.26-1.31
5. Thermochromic temperature: 190-200℃
6. Surface tension: 2% of aqueous solution is 42-56dyn/cn.
| Type | Specification | Range mpa.s |
| Low Viscosity | 25 | 20-30 |
| 50 | 40-60 | |
| 100 | 80-120 | |
| High Viscosity | 4000 | 3500-5600 |
| 12000 | 10000-14000 | |
| Extra High Viscosity | 20000 | 17000-22000 |
| 30000 | 27000-32000 | |
| 40000 | 37000-42000 | |
| 60000 | 58000-65000 | |
| 100000 | 4100-5600 | |
| 200000 |
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FAQ
Q1. Are you a manufacturer?
Yes, we have our own factory and lab.
Q2. What information should I let you know if I want to get a quotation?
Answer: -Quality you require, eg. Assay, Purity, or single impurity
-Quantity you need
-Standard you want, such as USP.
Q3. Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge and pay the cost of freight.
Q4. How to make the payment?
We can accept Western Union,Money Gram,Bank Transfer and Paypal as well.
Q5. When will you deliver the goods?
For sample, in about 2 working days after payment; for larger orders (more than 1kg), in about 7 working days after payment.
Q6. How will you deliver the goods?
We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS, China Air Post. For container products, we can do sea shipping.
You also can choose your own shipping forwarder.
Q7. What if we find your products unsatisfied?
We will send you a COA (Certificate of Analysis) to you first for you to confirm the quality, but if you find our products not confirm with the COA after you receive it, please show us your test result, we will refund you once we confirm that.
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