Construction Grade Hydroxypropyl Methylcellulose HPMC | GinShiCel, 400‑200000 mPa・s, REACH Compliant
Product Overview
GinShiCel construction‑grade Hydroxypropyl Methylcellulose (HPMC, Hypromellose) is non‑ionic cellulose ether additive for building materials. Produced from Xinjiang refined cotton via advanced etherification technology. Key performances: high water retention, anti‑sag, good workability. Widely applied in dry mix mortar, tile adhesive, wall putty, self‑leveling compounds.
Zhejiang Haishen New Materials Limited owns over 30‑year cellulose ether manufacturing experience. Custom viscosity and technical formulation support available. Products comply with EU REACH and ISO9001, exported to more than 60 countries.
Main Specifications
| Item | Parameter |
| Product Name | Construction Grade Hydroxypropyl Methylcellulose(HPMC) |
| CAS No. | 9004‑65‑3 |
| Purity | ≥98.5% |
| Viscosity | 400‑200,000 mPa·s (2% solution,20℃,NDJ‑1) |
| Water Retention Rate | ≥94% |
| Ash Content | ≤5.0% |
| Moisture | ≤5.0% |
| Gelling Temperature | 55‑80℃ |
| Mesh | 80 mesh above |
| Certifications | REACH registered, ISO9001, SGS test report |
Core Features
- Excellent anti‑sag & anti‑slip: prevent tile slip and mortar sag for vertical application
- Improved bonding strength: reduce hollowing and falling‑off risk
- Good workability: better plasticity for higher construction efficiency
- Wide temperature adaptability: stable performance under 5℃ low‑temperature winter construction
- Extended open time: support large‑area wet mortar operation
- High water retention: delay cement hydration for full strength development
Raw Material Source
100% Xinjiang high‑quality refined cotton as raw material. Triple sieving process, no agglomeration, fast cold‑water dissolution.
Typical Application Scenarios
| Application | Function |
| Dry Mix Mortar | Water retention & workability improvement |
| Wall Putty / Skim Coat | Anti‑sag, smooth polishing |
| Self‑Leveling Compounds | Good fluidity & anti‑sedimentation |
| Tile Adhesive | Long open time, high bonding strength |
| Waterproof Mortar | Improve cohesion & anti‑cracking |
| Spray Machine Mortar | Optimize pumpability, reduce nozzle blockage |
| Thermal Insulation Mortar | Enhance adhesion |
| Gypsum Mortar | Adjust setting time & water retention |
Production Process
Raw Material Sourcing → Raw Material Incoming Inspection → Cotton Pulverization → Etherification Synthesis → Grinding → Semi‑finished QC → Sealed Packaging → Finished‑batch Inspection → Sample Retention → Shipment
Package & Trade Terms
- Standard Package: 25kg kraft bag with PE inner liner
- Bulk Package: 500kg /1000kg FIBC jumbo bag
- MOQ: 1kg for trial sample; 1MT for bulk wholesale
- Lead Time:7‑15 working days after payment
- Loading Port: Ningbo / Shanghai China
- Sample service available, sample freight at buyer’s cost. Freight deductible for bulk order ≥5MT within 1 year.
Certifications & Qualifications
- ISO9001 Quality Management System
- Full EU REACH registration compliance
- National High‑Tech Enterprise
- In‑house R&D & application lab
FAQ
Q: How to select proper viscosity of HPMC?
A:100000‑200000 mPa·s for tile adhesive & wall putty. 400‑5000 mPa·s for self‑leveling compounds. Samples are available for formulation test.
Q: Can this HPMC work under 5℃ winter construction?
A: Yes. Stable performance at low temperature, prevent premature drying of mortar.
Q: Storage & shelf‑life?
A: 24‑month shelf‑life under cool dry condition below 30℃, keep package sealed after opening.