Hpc Hpmc
HPC HPMC Supplier: Factory-Direct Hydroxypropyl Cellulose & Hydroxypropyl Methylcellulose
Wholesale OEM HPMC HPC Grades for Construction, Pharma & Coatings | TANG ZHI TECHNOLOGY (HeBei) CO., LTD
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Sourcing Reliable HPC and HPMC? We've Handled Thousands of Tons for Global Buyers
In the world of cellulose ethers, few materials match the versatility of hydroxypropyl cellulose (HPC) and hydroxypropyl methylcellulose (HPMC). Whether you're thickening pharma formulations, stabilizing construction mortars, or binding coatings, these non-ionic polymers deliver consistent performance. At Tang Zhi Technology (HeBei) Co., Ltd., we've been producing them since our setup in Jinzhou, Hebei—right in the heart of China's industrial cellulose hub.
Our 140,000 sqm facility cranks out over 40,000 tons annually across HPMC, HPC, MHEC, RDP-VAE, and more. No middlemen. Direct from the lines to your warehouse. Importers from the US, Europe, and Southeast Asia keep coming back because we nail the specs every batch—viscosity grades from 5 cps to 200,000 cps, tailored to your application.
Ready for factory pricing? Message us on WhatsApp: +86-15032625168
Procurement Traps When Buying HPC HPMC Overseas
Procurement directors know the drill. You search "HPC HPMC supplier," sift through Alibaba listings, and end up with inconsistent batches or sky-high MOQs. We've seen it firsthand—US buyers ordering pharma-grade HPMC only to get construction-grade sludge that gels wrong in tablets.
Other pitfalls? Delayed shipments from unverified factories. Or worse, off-spec material that fails REACH compliance checks at customs. One client lost a month on rework after a "bargain" supplier shipped low-purity HPC that yellowed under UV exposure.
- Batch-to-batch viscosity swings wreck mortar workability.
- Uncertified imports trigger FDA holds for pharma apps.
- Hidden fees inflate land costs from Qingdao port.
- Fake COAs (Certificates of Analysis) lead to formulation failures.
Short story: Skip the risks. Partner with a factory like ours that's exported 20+ containers to the States without a hitch.
HPC vs HPMC: Which Grade Fits Your Needs?
Let's break it down operationally. HPC—hydroxypropyl cellulose—is fully etherified, soluble in water and organics, ideal for film coatings and pharma binders. No methyl groups, so it gels clearer at lower temps. HPMC adds those methyls, boosting water retention and thermal stability—perfect for dry-mix mortars and tile adhesives.
In practice, procurement teams mix them. Construction folks lean HPMC for its E-type (construction) grades; pharma buyers grab HPC for its F-grade purity. We've tuned ours to ASTM and USP standards, with substitution degrees from 0.1-0.3 for HPMC.
Picture this: A Texas contractor swapped generic HPMC for our K4M grade. Set time extended 20% in summer heat—no cracking. Or a Cali pharma formulator using our HPC in eye drops—film forms smooth, no haze.
Quick Comparison Table
| Property | HPC | HPMC |
|---|---|---|
| Solubility | Water + organics | Cold/hot water |
| Gel Temp | ~40°C | 58-65°C (E-type) |
| Key Use | Pharma films, inks | Mortars, paints |
| Purity | USP/EP pharma | Food/Pharma grade |
We've got 50+ grades stocked. Need custom DS (degree of substitution)? Our R&D tweaks it in 4 weeks.
One observation from years in export: Buyers underestimate moisture content. Ours stays under 5%—critical for long-sea voyages.
Inside Our Hebei Factory: Scale Meets Precision
Jinzhou isn't glamorous, but it's strategic—close to Tianjin port, low logistics costs. Our 90,000 sqm built area houses automated Dutch lines for etherification and spray-drying. Capacity? 40k+ tons/year, with HPMC/HPC lines running 24/7.
QA is non-negotiable. Every batch gets Brookfield viscosity tests, GC for purity, and particle size laser analysis. We've supplied brands like 
partners indirectly—traceability from ether to pallet.
- 10 reaction kettles (20-50 ton batches)
- Full CIP cleaning systems
- Lab with Malvern Mastersizer
- OEM/ODM for private label
- Annual audits passed for EU/US
Export manager note: We optimize FCL loads—25 tons/20ft container, palletized for stability. No surprises at discharge.
Tour Our Facility VirtuallyReal-World Applications: Where HPC HPMC Shines
Construction dominates—HPMC in gypsum plasters retains water, cuts shrinkage. Add RDP-VAE from us for flex. Pharma? HPC matrices control release in tablets. Coatings? Thickens without yellowing.
Warning: In high-alkali mixes, pick high-M.S. HPMC to avoid degradation. We've tweaked formulas for clients in humid climates like Florida.
Detailed Technical Specifications
| Grade | Viscosity (cps) | DS (MS/DS) | Purity (%) | Applications |
|---|---|---|---|---|
| HPMC E5 | 5-10 | 0.1-0.2 / 1.0-1.5 | >99 | Spray coatings |
| HPMC K4M | 3000-5600 | 0.2-0.25 / 1.4-1.6 | >99.5 | Matrix tablets |
| HPC-L | 3-7 | ~0.13 | >99 | Eye drops binder |
| HPMC F50 | 40-60 | Food grade | >99 | Ice cream stabilizer |
All grades: Ash <1.5%, Moisture <5%, pH 5.0-8.0. Custom viscos up to 200,000 cps available.
Logistics: From Hebei to Your Door
Lead time: 7-15 days for stock, 25-35 for custom. Qingdao/Tianjin ports. To LA: 20-25 days sea. We handle consolidation—mix HPMC with RDP in one container.
- FOB/CIF terms flexible
- Pallet shrink-wrapped (1 ton/pallet)
- Incoterms 2020 compliant
- Tracking via Maersk/Cosco
US duties? Cellulose ethers qualify for low tariffs. We've smoothed FDA filings for pharma imports.
Certifications & Compliance
ISO 9001:2015, REACH registered, Kosher/Halal for food grades, USP42/NF/EP9. Full COA per batch.
What Procurement Teams Say
John M., Texas Construction Firm
"Switched to Tang Zhi HPMC after local prices spiked. Viscosity spot-on, mortar hangs better on trowel. Shipped 5 tons to Houston—no issues."
Sarah K., California Lab
"HPC for our gel caps. Lab tests matched spec exactly. Fast sample turnaround helped our trial run."
Mike R., Midwest Distributor
"OEM bags with our label. Logistics smooth, pricing beats Dow Chemical resellers."
Frequently Asked Questions
What's the difference between HPC and HPMC in practice?
HPC dissolves faster in organics, suits films. HPMC excels in water retention for builds. Both hypoallergenic.
Minimum order for wholesale?
500kg trial, 1 ton FCL standard. Samples free with freight collect.
Do you offer pharma/food grades?
Yes, USP/EP and E464 certified. Full DMF available.
Shipping to USA—any duties?
Typically 0-3.5% HTS 3912.39. We provide all docs.
Start Your HPC HPMC Order Today
Factory-direct quality. No risks, full support. Let's discuss your specs.
TANG ZHI TECHNOLOGY (HeBei) CO., LTD | Room 2308, Dongsheng Plaza 2, No. 508 Zhongshan East Road, Chang’an District, Shijiazhuang, Hebei, China
Li Wei
Export Director, 12+ years in cellulose ethers. Handled 500+ US shipments.
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