Zhongtong MaterialsCellulose ethers.
Matched to your application.
HPMC, HEC, CMC and PAC for manufacturers, importers and distributors. Start with your application. We help review the grade, sample requirements and supplier documents.
Construction · Coatings · Industrial systems · Pharma & laboratory evaluation
What are you making?
Go straight to the material and selection questions relevant to your product.
Tile adhesives
& dry-mix mortar
HPMC for water retention, consistency and workability in cement- and gypsum-based systems.
Explore construction HPMC →02 / PAINTS & COATINGSWater-based
formulations
HEC selection for dispersion, viscosity development and formulation compatibility.
Explore HEC for coatings →03 / INDUSTRIAL SYSTEMSDetergents, textiles
& ceramics
CMC for application-specific thickening, binding and suspension requirements.
Explore sodium CMC →04 / PHARMA & LABORATORIESExcipient sourcing
& sample evaluation
Discuss hypromellose specifications, required standards and supplier qualification documents.
Explore pharma & lab sourcing →Working with drilling fluids? Explore PAC selection and test requirements →
Move from a product name
to a workable specification.
Zhongtong Materials connects overseas buyers with Chinese partner factories. We focus the discussion on the application, reference grade, test method and destination before confirming supply.
Document availability and grade suitability are confirmed for the specific material and destination.
See our quality & documentation approach →- 01
Share your requirement
Send the application, reference specification, quantity and destination country.
- 02
Review the proposed grade
Align available specifications, supplier documents and sample arrangements.
- 03
Evaluate before ordering
Compare samples in your formulation, then agree grade, packing and shipment terms.
A clearer first inquiry.
HPMC, HEC, CMC or PAC?
Compare the application and test questions that help distinguish the material families.
Read the guide →DOCUMENT REVIEWKnow what to request.
Review TDS, SDS, COA and packing information for your supplier qualification process.
Review documentation →Four details to have ready.
Application. Reference grade. Quantity. Destination. These help us respond to the actual requirement.
Prepare your inquiry →Can I request a sample or technical documents?
Yes—send your intended use, reference specification and sample or document requirements. We review availability with the relevant partner factory before confirming an arrangement.
Can you assess pharmaceutical or laboratory requirements?
Send the intended formulation, reference grade, required standard and supplier qualification needs. Suitability and supporting documents must be confirmed for the specific proposed grade. See pharma and laboratory sourcing.
What about minimum order quantity and delivery?
These depend on the proposed grade, packing and destination. Include your required quantity and timing so we can review the supply and shipment options.
Have a specification in mind?
Share it with us. We will review the grade and document requirements with the supplying factory.