Polyurethane Adhesives in Bangladesh
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Polyurethane Adhesives Supplier in Bangladesh – Professional Chemical Exporter
Delhi Chemicals Group is a recognized trader of high-grade chemicals supporting diverse manufacturing industries. As a dependable Polyurethane Adhesives manufacturer in Narayanganj, Bangladesh, we provide structured sourcing solutions for global customers requiring reliable chemical supply. Companies searching for a “trusted exporter” rely on our experience in chemical distribution and export logistics. Our services include product selection along with organized packaging. Polyurethane Adhesives is commonly used in industries such as paints and coatings, adhesives, printing inks, UV curing, plastics, resins where consistent quality and material stability are essential.
As an experienced chemical supplier of chemicals, we maintain bulk stock. Businesses sourcing chemicals for industrial production benefit from our reliable delivery timelines. Our distribution network supports formulators with efficient supply coordination. For international clients, we operate as a global industrial chemical supplier. Shipments include proper labeling with coordinated logistics planning. Choosing our organization ensures partnership with a supplier committed to consistent quality and professional service. To source Polyurethane Adhesives, connect with our team for technical support.
Description
Polyurethane adhesives are reactive or thermoplastic bonding systems based on polyurethane chemistry. One-component grades commonly cure with atmospheric or substrate moisture, while two-component grades cure when polyol and isocyanate components are mixed; reactive polyurethane hot melts combine rapid initial strength with subsequent moisture crosslinking. These adhesives bond many dissimilar substrates and are used where strength, flexibility, impact resistance and resistance to water, weathering or temperature changes are important. Commercial products include construction, wood-flooring, panel-lamination, automotive, footwear, packaging and assembly grades. Properties and hazards vary significantly with formulation, especially where residual isocyanates or solvents are present, so application parameters and safety controls must come from the current product TDS and SDS.
Uses
Benefits
High bond strength, flexibility, impact resistance, moisture resistance, weather durability and reliable bonding of dissimilar materials.
Application Benefits
Supports elastic, gap-tolerant bonds, good substrate wetting and durable performance under vibration, humidity and temperature changes; moisture-curing and fast-grab grades can simplify assembly.
Product Description
| Absorption | Cured water absorption is generally low but formulation- and test-dependent. |
| Acid Value | Not routinely applicable to the finished adhesive; formulation-dependent. |
| Volatility | Usually low for solvent-free grades; solvent-containing grades may have significant VOC content. |
| Packing Available | Cartridges, sausages, pails, cans, drums, IBCs or hot-melt blocks/pellets; availability varies by grade and supplier. |
| Melting Point | No single melting point. Thermoset grades do not melt after cure; polyurethane hot melts soften over a formulation-specific range. |
| Appearance | Typically white, beige, amber, grey or black liquid/paste; reactive hot melts may be solid before heating. |
| Odour | Mild characteristic odour; some grades may have a solvent or isocyanate-related odour. |
| Molecular Weight | Not applicable; polymeric mixture with a molecular-weight distribution. |
| Boiling Point | Not applicable as a single value; formulated adhesives may decompose before boiling. |
| Distillation Range | Not applicable; formulation-dependent. |
| Freezing Point | Formulation-dependent; protect moisture-curing products from moisture and store within the TDS temperature range. |
| Specific Gravity | Typically about 1.1–1.4 at 20–25 °C for many liquid/paste grades; verify the product TDS. |
| Refractive Index | Not routinely specified; formulation-dependent. |
| Flash Point | Often not applicable for solvent-free grades; solvent-based products have formulation-specific flash points. |
| Specific Heat | Not routinely specified; formulation-dependent. |
| Autoignition Temp | Not determined for the product class; formulation-dependent. |
| Thermal Conductivity | Not routinely specified; formulation-dependent. |
| Electrical Conductivity | Generally electrically insulating when cured, but formulation-dependent. |
| Heat of Formation | Not applicable to a formulated product class. |
| Heat of Vaporization | Not applicable to a formulated product class. |
| Structure | Polyurethane chains contain repeating urethane linkages, –NH–C(=O)–O–; commercial adhesive composition varies. |
| CAS Number | No single CAS number; formulated mixture. Isocyanate and polyol components have separate CAS numbers disclosed in the SDS. |
| EINECS Number | No single EC/EINECS number; formulated mixture. |
| Storage & Packaging | Store tightly sealed in original moisture-resistant packaging in a cool, dry, ventilated place within the manufacturer’s temperature range. Protect from water, humidity, heat and direct sunlight. Use opened containers promptly. |
| Product Stewardship | Prevent uncured material from entering drains or soil. Follow the SDS for spill response and disposal. Empty packaging may retain hazardous residue; cured adhesive and containers must be managed under applicable local rules. |
| NOTE | Category-level data; values differ among one-component, two-component, dispersion, solvent-based and reactive hot-melt polyurethane systems. |
| NOTICE | Category-level information only. Properties and hazards vary by formulation. Always verify the selected product’s current TDS and SDS before use. |
Compliance & Standards
Certificate
No universal certificate applies to all polyurethane adhesives. Product-specific declarations may include ISO 9001 manufacturer certification, VOC compliance, emissions testing or construction approvals; verify the selected grade documentation.
Safety
Uncured products may contain isocyanates that can irritate or sensitize the skin and respiratory system. Use ventilation, chemical-resistant gloves and eye protection; avoid inhaling vapour or mist. Follow the SDS and applicable isocyanate-training rules.
| India | Canada | Indonesia | Australia |
| Bangladesh | Japan | Philippines | Vietnam |
| Iran | Turkey | Thailand | Myanmar |
| South Korea | Iraq | Afghanistan | Yemen |
| Uzbekistan | Malaysia | Saudi Arabia | Nepal |
| North Korea | Syria | Sri Lanka | Kazakhstan |
| Cambodia | Jordan | UAE | Tajikistan |
| Azerbaijan | Israel | Laos | Turkmenistan |
| Kyrgyzstan | Singapore | Lebanon | State of Palestine |
| Oman | Kuwait | Georgia | Mongolia |
| Qatar | Armenia | Bahrain | Timor-Leste |
| Cyprus | Bhutan | Maldives | Brunei |
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Inudstries We Serve
Woods & Furniture
Textiles
Printing & Inks
Paints & Coatings
Packaging
Electronics
Automotive
