Water-Soluble HPMC Extrusion Molding Binder for High-Temperature Sintering in Automotive SCR/DPF Purification
Hydroxypropyl Methylcellulose (HPMC) is a water-soluble non-ionic cellulose offering thickening, water retention, adhesion, and film-forming properties. This product is specifically designed as a binder for honeycomb ceramic carriers used in automotive exhaust purification systems. It dissolves in water, making it suitable for extrusion molding processes, and decomposes into carbon dioxide and water during high-temperature sintering, leaving no residues.
- Tile Adhesives & Putty (Grades: K100M, E15) - High water retention extends open time and enhances workability/bond strength
- Cement Mortars (Grades: E5, E15) - Reduces cracking and improves fluidity/pumpability
- Self-Leveling Compounds (Grade: E5) - Low viscosity ensures superior flow and minimizes segregation
Binder for Honeycomb Ceramic Substrates - Water-soluble support for extrusion; leaves no residue after sintering (decomposes to CO₂+H₂O), ideal for automotive exhaust purification carriers.
- Tablet Coating & Sustained-Release Matrices (Grade: K100M) - High-viscosity grade forms controlled-release barriers and modulates dissolution
- Ophthalmic Solution Thickener (Grade: E5) - Safe/non-irritating, prolongs ocular residence time
- Water-Based Paints (Grade: E15) - Ensures uniform film formation and storage stability
- Shampoo/Toothpaste (Grade: E5) - Low-viscosity grade enhances suspension and texture
Dairy/Sauce Thickening (Food-Grade HPMC) - Improves texture; acts as a gelatin alternative in vegan products
| TEST ITEM | SPECIFICATION | TEST RESULT |
|---|---|---|
| APPEARANCE | WHITE POWDER OR GRANULES | WHITE POWDER OR GRANULES |
| IDENTIFICATION | CONFORM | CONFORM |
| METHOXYL CONTENT (wt%) | 19.0-24.0 | 21.4 |
| HYDROXYPROPYL CONTENT (wt%) | 4.0-12.0 | 8.4 |
| PH | 5.5-8.0 | 7.2 |
| LOSS ON DRYING (wt%) | 5.0 max | 3.6 |
| HEAVY METALS (ppm) | 20 max | <20 |
| ARSENIC (ppm) | 3 max | <3 |
| WATER INSOLUBLE MATTER % | 0.5 max | 0.1 |
| APPARENT VISCOSITY (cp) | 80000-130000 | 122078 |
| RESIDUE ON IGNITION (wt%) | 1.5 max | 1.4 |
| TOTAL BACTERIUM | 1000/gram max | 88 |
| MOLD | 100/gram max | 76 |
| ESCHERICHIA COLI | NEGATIVE | NOT DETECTED |
Shanghai Prior Chemical Scientific And Technical Co. LTD. (Grade A Tax Credit) was established in 2016. Leveraging China North Industries Group Corporation (NORINCO GROUP) resources, the company trades materials including hydroxyethyl cellulose (HEC), hydroxypropyl methyl cellulose (HPMC), sodium carboxymethyl cellulose (CMC), ethyl cellulose (EC), and nitrocellulose (NC).
The company independently manufactures integrated nail-fastening products and holds equity in ammonium carboxymethyl cellulose (CMC-NH4) production and marketing. It holds nearly 70% domestic market share in HPMC for automotive exhaust honeycomb ceramics.
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