Celix Pure Grade Model: RDP-328,RDP-5030,RDP-7030,RDP-7040,RDP-7045
CAS No.: 24937-78-8
Type: Chemical Auxiliary Agent
Appearance: White To Off-White Powder Substance
HS Code: 3905290000, 3901300000
| Model | RDP328 | RDP5030 | RDP7030 | RDP7040 | RDP7045 |
| Exterior | White free flowing powder | ||||
| Protective colloid | PVA | PVA | PVA | PVA | PVA |
| Solid content, % | 97-99 | 97-99 | 97-99 | 97-99 | 97-99 |
| Ash content, % | 17+-2 | 15+-2 | 13+-2 | 13+-2 | 13+-2 |
| Bulk density, g/| | 300-500 | 300-500 | 300-500 | 300-500 | 300-500 |
| Particle size, µm | ≥80 | ≥80 | ≥80 | ≥80 | ≥80 |
| Minimum film forming temperature, ℃ | 0-5 | 0-5 | 0-5 | 0-5 | 0-5 |
Excellent cohesion very good adhesion to critical substrates such as wood
Flexibility can be engineered without the need to add plasticizers
Good low-temperature film forming without additional coalescing agents
Glass transition temperatures (Tg) from high to low are possible
All modern polymer powders are produced without added APEOs
The manufacturing of Vinyl Acetate-Ethylene Copolymer Redispersible Polymer Powder (VAE RDP) starts with preparing VAE emulsion via emulsion polymerization, using vinyl acetate (VAc) and ethylene (E) as monomers. Key parameters like polymerization temperature, initiator dosage, and monomer ratio are precisely controlled to ensure uniform emulsion particle size distribution and qualified solid content. Next, the VAE emulsion is mixed with a protective colloid (e.g., polyvinyl alcohol) and a defoamer in fixed amounts, then thoroughly blended under constant-temperature stirring to form a stable slurry for drying, which prevents foam formation and particle agglomeration in subsequent steps.
The slurry is then fed into a spray dryer, atomized into tiny droplets by a high-pressure atomizer, and brought into countercurrent contact with hot air (inlet temp: 180-220℃, outlet temp: 80-100℃) for rapid moisture evaporation, forming a gas-solid mixture. Finally, the mixture is separated by a cyclone separator to collect dry solid particles, which are further sieved to remove impurities, resulting in fine, free-flowing VAE RDP finished products.
Precision German DCS Automation: Standardizing Every Grain of RDP
Our Redispersible Polymer Powder (RDP/RPP) production line is powered by a fully automated German-engineered DCS framework. By dynamically stabilizing emulsion polymerization thermal profiles and spray-drying inlet/outlet temperatures, we eliminate batch-to-batch variance. The result is uncompromised batch consistency in tensile bond strength, flexibility, and rapid re-dispersion.
Scalable RDP Production: Cost Savings & Guaranteed Volume for Peak Seasons
Don't let polymer powder shortages stall your production lines. Our massive 30,000-ton manufacturing capacity ensures consistent product availability even during peak construction seasons. By eliminating trading markups, we pass direct factory cost advantages straight to you while delivering guaranteed supply stability.
ISO-Certified Quality Management: Comprehensive QC Lab Testing for Every RDP Batch
Operating under strict ISO 9001 and ISO 14001 certified management systems, our plant enforces zero-defect quality control. Every batch of Redispersible Polymer Powder (RDP) undergoes rigorous QC laboratory analysis for key parameters—including ash content, residual moisture, and water redispersibility—guaranteeing 100% compliant and traceable performance before dispatch.
Tailored Polymer Modification: Optimizing Bond Strength and Flexibility for Local Markets
Whether your formulation demands superior flexural toughness for EIFS/ETICS basecoats or enhanced tensile bond strength and water resistance for C2-class tile adhesives, our in-house R&D application lab customizes polymer resin profiles and glass transition temperatures (Tg). We engineer tailored RDP solutions to match your local sand gradations, cement types, and ambient climate conditions.
Seaworthy Anti-Caking Packaging & Turnkey OEM Branding: Powering Your Local Distribution
To counteract moisture uptake and caking during long-distance ocean transit, our RDP is packed in heavy-duty 25kg multi-layer moisture-barrier bags with thick PE liners or reinforced Jumbo Bags. We also provide comprehensive private-label OEM branding options, delivering custom packaging layouts tailored to seamlessly fit your regional distributor network and brand positioning.
Streamlined Cross-Border Logistics: Optimizing Mixed-Container Loading to Slash Freight Costs
Leveraging two decades of international export expertise across 150+ countries, our logistics specialists maximize your container space efficiency. We offer flexible mixed-container loading (FCL/LCL consolidation) for HPMC, MHEC, and VAE RDP, significantly reducing your per-ton ocean freight while streamlining your multi-product procurement into a single, seamless shipment.
Don’t compromise on dry-mix mortar workability. Contact our technical team today to request a complimentary sample of Celix MHEC (CAS 24937-78-8) and download the complete Technical Data Sheet (TDS) / SDS.
It's Redispersible Polymer Powder, usually a VAE polymer made into free-flowing powder via spray drying, redispersible in water.
Some Manufacturers include Celanese, Wacker, BASF, and Chinese firms like Sinopec, Celix specialized in polymer or construction chemical production.
It is widely used in dry-mix mortars (tile adhesive, skim coat), wall putty, and construction materials to boost adhesion, flexibility.
There isn't a fixed formula. However, the formula is the mainly polymer (e.g., VAE), protective colloid (PVA), defoamer, with a ratio adjusted by the performance needs.
Most non-hazardous, but may cause mild irritation if inhaled/contacted; follow storage/use guidelines (avoid dust inhalation).
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Celix Cellulose Co., Ltd, is an integrated chemical cellulose manufacturer with in-house R&D, factories, and global sales sites.
Our products include HPMC, HEC, MHEC, VAE RDP, PCE, PVA, Defoamers, PP fibers, HPS, SHP and Gypsum Retarder.
Celix Cellulose Co., Ltd, is an integrated chemical cellulose manufacturer with in-house R&D, factories, and global sales sites.
Our products include HPMC, HEC, MHEC, VAE RDP, PCE, PVA, Defoamers, PP fibers, HPS, SHP and Gypsum Retarder.
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