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Baydur® 665 IBS (25 pcf)
| Category: | PUR-MDI , Polyurethane (MDI) |
| Manufacturer: | Covestro - PUR |
| Trademark: | Baydur® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | pQeyN5_Baydur-665-IBS-25-pcf-.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Baydur 665 IBS is a black-pigmented, rigid polyurethane structural foam system used in the reaction injection molding (RIM) process. This system incorporates a specially engineered interactive blowing system (IBS) and is supplied as two reactive liquid components. Component A is a polymeric diphenylmethane diisocyanate (PMDI), and Component B is a formulated polyol system containing no CFC- or HCFC-blowing additives. Note: Component B should be agitated thoroughly prior to delivery of drum contents to day tank due to possible pigment settling. The Baydur 665 IBS system is used for general-purpose applications that require injection times longer than 10 seconds. The applications, typically found in the construction, furniture, and transportation markets, take advantage of the material's strength as well as its excellent surface finish, large part capability, and good flowability. As with any product, use of the Baydur 665 IBS system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability. |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
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| Specific Gravity | 0.399 | g/cm³ | ASTM D792 |
| Molding Shrinkage - Flow (12.7 mm) | 0.30 - 0.50 | % | ASTM D955 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D, 12.7 mm) | 57 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Break, 12.7 mm) | 8.96 | MPa | ASTM D638 |
| Tensile Elongation (Break, 12.7 mm) | 7.0 | % | ASTM D638 |
| Flexural Modulus (12.7 mm) | 524 | MPa | ASTM D790 |
| Flexural Strength (12.7 mm) | 20.7 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
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| Charpy Unnotched Impact Strength 1 | 10 | kJ/m² | Internal method |
| Thermal | Nominal Value | Unit | Test Method |
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| Deflection Temperature Under Load (0.45 MPa, unannealed, 12.7mm) | 90.0 | °C | ASTM D648 |
| Thermoset | Nominal Value | ||
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| Thermoset Components | |||
| Component a | Mixing ratio by weight: 120 | ||
| Component B | Mixing ratio by weight: 100 |
| Additional Information |
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| Part A Type: Isocyanate Appearance: Dark brown liquid Specific Gravity @ 25°C: 1.24 Viscosity @25°C: 200 cps Flash Point PMCC: 199°C NCO: 31.0 max wt% Part B Type: Polyol Appearance: Black liquid Specific Gravity @ 25°C: 1.05 Viscosity @25°C: 2000 cps Flash Point PMCC: 130°C Water: 0.4 wt% Hydroxyl Number: 465 KOH/g Material Temperatures: 32 to 38°CMold Temperature: 60 to 70°CHand Mix Reactivity at 25°C Cream Time: 45 sec Gel Time: 90 sec Tack Free Time: 115 sec Free-Rise Density: 12 lb/ft³ Polyol Nucleation Specific Gravity: 0.80 to 0.85 0Typical cure Time, 0.250 in Thickness: 4 to 5 |
| Note Message | |
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| 1 . | 0.5 in |
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