Home > Products > Rigid foam system for panel insulation > Polyurethane for discontinue panels blend with polymeric mdi
Polyurethane for discontinue panels blend with polymeric mdi
- 30000 Metric Ton / Metric Tons per Month
- Shanghai
- T/T
Product Details
Place of Origin: | Shanghai, China | Type: | Synthetic Resin and Plastics, Other, Synthetic Resin and Plastics, Blend polyols | Brand Name: | Dongda or user defined |
Model Number: | DBC-402B |
Product Description
Specifications
Blend polyether polyols, HCFC-141B foam agant, used for continuous panelsDBC-402B panels is a blend polyether polyols, surfactants, catalysts, foaming agent and flame retardant in a special ratio.
1.good flowability in the reactivity process, the foam density distributes uniformity, with excellent dimensional stability and cohesiveness.
et different requirements of continuous sandwich board product lines
This is one of our customer use DBC-402B.
Physical Properties
Appearance pale yellow transparent viscous liquid
Hydroxyl Value mgKOH/g 320-400
Dynamic Viscosity (25 °C) mPa.s 250-350
Gravity (20 °C ) g/ml 1.10-1.16
Storage Temperature °C 10-25
Storage Stability month 6
Recommended Ratio pbw
DJD-103 blend polyols 100
Isocyanate 100-105
Technology and Reactivity (the exact value varied depending on processing conditions)
Manual Mixing Mechanical Foaming
Raw material Temperature °C 20-25 20-25
Mold Temperature °C 35-45 35-45
Cream time s 30-50 20-30
Gel time s 120-200 70-150
Free Density kg/m3 23-26 23-26
Foam Performance
Molding density GB/T 6343 ≥38kg/m3
Closed-cell Rate GB/T 10799 ≥90%
Thermal Conductivity (15 °C) GB/T 3399 ≤22 mW/(m.K)
Compressive strength GB/T 8813 ≥140kPa
(perpendicular to the direction of rising)
Dimensional Stability GB/T 8811
(24h, -20 °C) ≤1.0%
(24h, 100 °C) ≤1.5%
Flame retardant grade GB/T 8624 Level B2
Quality Testing Facility:
Contact Us
- Shanghai Dongda Polyurethane Co., Ltd.
- Contact namePan Li
- Phone86-21-57248959,15900416162
- AddressNo. 307, Shanning Road, Shanyang Town
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- Iron powder binder, polymer with fast drying and strong bonding force
- PTFE Dispersion
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- Aqueous PES excellent thermal stability
- Aqueous PES excellent thermal stability
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