Hpmc 6 Cps
HPMC 6 CPS Supplier: Low Viscosity Hydroxypropyl Methylcellulose for Pharma and Coatings
Meta Title: HPMC 6 CPS Wholesale Supplier | Low Viscosity HPMC for Pharma Excipients & Coatings
Meta Description: Reliable HPMC 6 cps manufacturer from China. Ideal for immediate release tablets, spray coatings, eye drops. Bulk export pricing, ISO certified, fast shipping to USA. Request specs now.
Table of Contents
Sourcing Reliable HPMC 6 CPS Without the Headaches
When procurement teams start hunting for HPMC 6 cps, it's usually because they need a low-viscosity cellulose ether that dissolves fast and plays nice in sensitive formulations. Not the thick stuff for mortars, but the ultra-low 6 centipoise grade perfect for pharma coatings, eye drops, or sprayable solutions. We've shipped tons of this to US importers over the years, and one thing stands out: buyers who skip the cheap knockoffs save big on rework.
At Tang Zhi Technology (Hebei) Co., Ltd., we're not just another exporter. Our Jinzhou factory churns out HPMC with tight viscosity control—6 cps means exactly that, measured under standard conditions. No surprises in the lab tests later. Purchasing managers tell us they appreciate how our batches hold up in hot, humid storage, which isn't always the case with overseas competitors.
Picture this: your formulator calls in a panic because the HPMC they're testing gels too early or clouds the suspension. That's where our 6 cps shines. It's engineered for immediate-release tablets, film coatings, and even personal care sprays. We've optimized the hydroxypropyl and methoxy substitution to hit that sweet spot—soluble in cold water, stable across pH swings.
Why does viscosity matter so much at 6 cps? Higher grades like 50 or 100 cps build body, but they drag on spray nozzles or thicken tablet matrices unevenly. Low-vis 6 cps flows like water, dries clear, and releases actives predictably. In pharma excipient trials, we've seen it cut coating times by noticeable margins. Contractors mixing it into ophthalmic solutions report cleaner filtration too.
Our production isn't a hobby. 140,000 square meters of facility, automated lines pulling 40,000 tons annually across cellulose ethers. HPMC 6 cps is a staple, with dedicated reactors to avoid cross-contamination. Export to USA? We've got the paperwork down: REACH compliant where needed, and our ISO 9001 keeps audits smooth.
One importer from Texas shared how switching to our HPMC 6 cps fixed their capsule dissolution issues. No more FDA headaches. If you're comparing suppliers, look at the gel temperature—ours sits reliably around 58-64°C, perfect for heat-sensitive processes.
Procurement tip: Don't chase rock-bottom pricing on Alibaba spot deals. Moisture content above 5% leads to clumping in transit, and you'll pay double unpacking it. Our spec sheet guarantees under 3%, packed in 25kg multi-layer paper bags or your custom IBCs.
This isn't hype. We've handled orders from small R&D batches to 20-ton container loads for ongoing supply. Lead times? 7-14 days from confirmed PO, depending on port congestion. Want to verify? Whatsapp +86-15032625168 for a quick spec PDF or sample quote.
Over the next sections, we'll dive deeper into why this grade fits your workflow, from lab bench to production scale. Stick around—you'll see why repeat buyers stick with us.
Unpacking the Chemistry: What Makes HPMC 6 CPS Tick
Hydroxypropyl methylcellulose at 6 cps isn't your everyday thickener. It's a non-ionic cellulose ether, derived from refined cotton or wood pulp. The "6 cps" refers to 2% solution viscosity at 20°C, using an NDJ-1 viscometer. Tight tolerance: we hold it to ±10% batch-to-batch.
Key substitutions: Methoxyl 19-24%, hydroxypropyl 9-12%. This balance delivers the low drag you need. Gel point? Typically 58-64°C, reversible on cooling. Surface tension low enough for fine mists in nebulizers.
| Property | Typical Value | Test Method |
|---|---|---|
| Viscosity | 5-7 cps (2% sol.) | NDJ-1, 20°C |
| Moisture | ≤3.0% | 105°C drying |
| pH (1% sol.) | 5.0-8.0 | Hot water |
| Particle Size | 100% through 100 mesh | Sieving |
| Purity (dry basis) | ≥99% | Ash residue |
| Gel Temp. | 58-64°C | Lab test |
Manufacturing insight: We etherify alkali cellulose with propylene oxide and methyl chloride in pressurized reactors. Washing steps remove salts rigorously—critical for pharma grades. No heavy metals above 10ppm, arsenic under 2ppm. USP/EP compliant where specs align.
One quirk with low-vis HPMC: it hydrates slower than you'd think in cold water. Pre-swelling or shear mixing helps. We've tweaked our grade for faster dispersion, cutting prep time in high-shear mixers.
Where HPMC 6 CPS Delivers Real Value
Pharma leads the pack. Immediate-release tablets? It binds without retarding dissolution. Film coatings spray on thin, uniform layers—no orange peel effect. Eye drops and nasal sprays stay clear, no stringiness.
- Ophthalmic suspensions: Stabilizes particles, extends contact time without blur.
- Tablet coatings: Low viscosity prevents bridging in pan coaters.
- Capsule shells: Soluble base for veg caps, dissolves in seconds.
- Personal care: Shampoos, lotions for light thickening.
- Food/bev: Suspensions in drinks, ice cream stabilizers.
Less common but growing: inkjet inks and ceramic glazes. The low cps keeps flow consistent under heat.
Buyer note: In humid climates like Florida, watch storage. Our anti-caking treatment holds up better than plain grades.
Smart Procurement: How to Buy HPMC 6 CPS Right
Risk one: Viscosity drift. Test incoming lots yourself—don't trust COA alone. We provide third-party reports from SGS on request.
Compare suppliers:
| Factor | Tang Zhi | Generic Importer |
|---|---|---|
| Batch Consistency | ±10% visc. | ±25% |
| MOQ | 1 ton | 10 tons |
| Lead Time USA | 14 days | 30+ days |
Steps to order: Send specs, get quote within hours. Sample free for qualified buyers (pay shipping). Trial run, then scale. OEM labeling available.
Common pitfall: Overlooking ash content. High ash fouls spray guns. Ours max 1%.

Ready for pricing? Email admin@tangzhicellulose.com or call +86-15032625168.
Behind the Scenes at Tang Zhi Factory
Located in Jinzhou, Hebei—prime spot for logistics. 90,000 sqm buildings, fully automated from pulping to packing. Dedicated HPMC lines prevent mix-ups. Annual output 40k tons, but HPMC 6 cps runs steady at 5k+.
Certifications: ISO 9001, ISO 14001, Halal, Kosher. Pharma? We align to USP 46. Audited by global brands.
Factory image placeholder: factory/3.png - Modern reactors in action.
Export experience: 50+ countries, USA top market. Compliant with FDA import alerts on cellulose.
Smooth Shipping to Your Door
20' FCL holds 14 tons. Shanghai or Tianjin port, 25-35 days to LA/Long Beach. DDP options for small lots. Tracking via Maersk or COSCO.
Customs tip: Declare as "cellulose ether USP grade" to speed clearance. We've prepped docs for seamless entry.
Pallets shrink-wrapped, PE inner bags. Humidity controlled.
Feedback from US Buyers
John M., Procurement Mgr, Texas Pharma
"Consistent 6 cps every shipment. Fixed our coating line issues. Fast samples too."
Sarah K., Formulations Lead, CA
"Low MOQ got us trialing quick. Better solubility than Dow's premium line at half price."
Mike R., Supply Chain, NY
"14-day delivery beat expectations. Clean COA, no rejections."
Anna L., Operations, Florida
"Holds up in our humidity. Great for eye drop base."
FAQs for HPMC 6 CPS Buyers
Q: Is it pharma grade?
A: Yes, aligns with USP/EP. Heavy metals certified.
Q: Shelf life?
A: 24 months unopened, cool/dry storage.
Q: Can I get samples?
A: Free 500g, you cover express.
Q: OEM possible?
A: Full white-label, your branding on bags.
Q: Price per ton?
A: Quote based on volume. Contact for current.
Q: Compatibility with RDP?
A: Excellent in dry mixes, though low visc limits mortar use.
Let's Talk HPMC 6 CPS Supply
Request factory-direct quote, free sample, or tech consult today.
- Phone/Whatsapp: +86-15032625168
- Email: admin@tangzhicellulose.com
- Address: Room 2308, Dongsheng Plaza 2, No. 508 Zhongshan East Road, Chang’an District, Shijiazhuang, Hebei, China
- Full Contact Page
Message us now—your next batch awaits.
© 2026 Tang Zhi Technology (Hebei) Co., Ltd. All rights reserved. ISO Certified Supplier.