Delhi OGR Coating
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Inudstries We Serve
Woods & Furniture
Textiles
Printing & Inks
Paints & Coatings
Packaging
Electronics
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Adhesives
Description
Delhi OGR Coating ECO-FRIENDLY is a high-performance, water-based oil- and grease-resistant functional barrier coating developed from an aqueous acrylic-styrene copolymer dispersion. Formulated by Delhi Chemicals for paper and paperboard food packaging, it forms a continuous, flexible protective film that provides excellent resistance to oil, grease, liquid water and moisture vapour while maintaining good crease integrity, heat-sealability and compatibility with water-based flexographic inks. It is suitable for paper cups, soup bowls, takeaway containers, burger wraps, bakery trays, cupstock, kraft paper and corrugated fresh-food packaging. The coating can be applied using flexographic, gravure, air-knife or rod-coating equipment and supports efficient processing with forced warm-air or infrared drying systems. Typical performance includes KIT 10–12 grease resistance, low Cobb water absorption, controlled water-vapour transmission and Grade 0 blocking resistance when applied and dried under recommended conditions. Its water-based, PFAS-free, repulpable and recyclable design makes it a sustainable alternative to conventional polyethylene lamination and fluorochemical grease barriers. Final performance depends on the substrate, coat weight, drying profile and converting conditions, so production trials should confirm the required barrier, printing, sealing and recycling performance.
Uses
Benefits
Oil and grease resistance up to KIT 10–12; Cobb 30-minute water absorption below 5.0 g/m²; WVTR below 25.0 g/m²/day at 38°C and 90% RH; heat sealability at 110–140°C; non-blocking performance; good crease integrity; water-based, PFAS-free positioning; repulpable and recyclable paper-packaging design.
Application Benefits
Recommended wet coat weight is 16–20 gsm, yielding approximately 7–9 gsm dry coat weight. The coating is fast-drying, film-forming, heat-sealable and over-printable with water-based flexographic inks. Use forced warm air or IR drying and achieve a web temperature of 90–105°C for complete film coalescence. Clean equipment with warm water immediately after use.
Product Description
| Absorption | Water absorption: <5.0 g/m² by Cobb 30-minute test at 8–10 gsm dry coat weight on standard 250 GSM kraft/cupstock substrate (TAPPI T441). |
| Acid Value | Not specified for the finished formulation; refer to the current product specification or COA. |
| Volatility | Water-based dispersion; the volatile fraction is primarily water. VOC content is not specified in the supplied data. |
| Packing Available | 50 kg HDPE drums, 200 kg barrels and 1000 kg IBC totes. |
| Melting Point | Not applicable to the supplied polymer dispersion; it forms a film during drying rather than having a single melting point. |
| Appearance | Milky white liquid. |
| Odour | Not specified; refer to the current SDS. |
| Molecular Weight | Not applicable; proprietary polymer dispersion with a molecular-weight distribution. |
| Boiling Point | Not specified for the finished formulation; the continuous phase is aqueous. |
| Distillation Range | Not applicable to the formulated polymer dispersion. |
| Freezing Point | Not specified. Protect from freezing during storage and transport. |
| Specific Gravity | 1.04–1.07 g/cm³. |
| Refractive Index | Not specified for the finished formulation. |
| Flash Point | Not specified; consult the current SDS. |
| Specific Heat | Not specified for the finished formulation. |
| Autoignition Temp | Not specified; consult the current SDS. |
| Thermal Conductivity | Not specified for the finished formulation. |
| Electrical Conductivity | Not specified for the finished formulation. |
| Heat of Formation | Not applicable to a proprietary formulated polymer dispersion. |
| Heat of Vaporization | Not applicable as a single value for the formulated product. |
| Structure | Proprietary aqueous acrylic-styrene copolymer dispersion; formulated polymer mixture with no single molecular structure. |
| CAS Number | No single CAS number; proprietary aqueous acrylic-styrene copolymer formulation. Component identifiers are provided in the SDS where required. |
| EINECS Number | No single EC/EINECS number; formulated mixture. |
| Storage & Packaging | Store indoors at 5–35°C in the original tightly sealed container. Protect from direct sunlight and freezing. Shelf life is 6 months from manufacture when stored unopened under the recommended conditions. |
| Product Stewardship | Designed for paper recycling streams and stated to be 100% repulpable and recyclable without PE-separation processes. Prevent product discharge to drains or soil. Reuse or dispose of packaging and coating residues in accordance with the SDS and local requirements. |
| NOTE | Typical technical values apply at 8–10 gsm dry coat weight on standard 250 GSM kraft/cupstock. Performance depends on substrate, coat weight, drying profile and equipment; validate water, grease, WVTR, blocking, crease and heat-seal performance in production trials. |
| NOTICE | Information is based on the supplied Delhi Chemicals technical data. Users must confirm current regulatory documentation, food-contact suitability, specifications and process performance for the intended packaging application before commercial use. |
Compliance & Standards
Certificate
Supplier-stated compliance: US FDA 21 CFR 176.170 and 176.180 for direct food contact; PFAS/PFOS/PFOA-free; heavy-metal requirements under IS 9873 and EN 71-3. COA, SDS and TDS should be confirmed for the supplied batch and grade.
Safety
Water-based industrial coating. Avoid skin and eye contact and use suitable gloves and eye protection. Provide normal workplace ventilation, prevent uncontrolled release to drains, and follow the current SDS for handling, spill response and disposal.
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