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Rigid foam polyurethane for pipe insulation
- 30000 Metric Ton / Metric Tons per Month
- Shanghai
- T/T
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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 | DQT-502 |
Product Description
Specifications
DQT-502 is a type of blend polyether polyols, which is specially researched for rigid PUF to produce thermal insulation pipes.It is widely used in steam pipes, liquefied nature gas running pipes, oil pipes and other fields. The characteristics are as follows:
1. good flowability, by regulating formula to suit different pipe diameters.
2. high temperature-resistance performance, long standing in 150°C
3.excellent low temperature dimensional stability
Physical Properties
Appearance pale yellow transparent viscous liquid
Hydroxyl Value mgKOH/g 300-450
Dynamic Viscosity (25 °C) mPa.s 200-500
Gravity (20 °C ) g/ml 1.10-1.16
Storage Temperature °C 10-25
Storage Stability month 6
Technology and Reactivity (the exact value varied depending on processing conditions)
Manual Mixing Mechanical Foaming
Ratio (POL/ISO) 1:1.0-1:1.10 1:1.0-1:1.10
Rise time 20-40 15-35
Cel time s 80-200 80-160
Trck free time s ≥150 ≥150
Free Density kg/m3 25-40 24-38
Foam Performance
Molding Density GB/T 6343 40-80kg/m3
Closed-cell Rate GB 10799 ≥ 90%
Thermal Conductivity (15 °C) GB/T 3399 ≤33 mW/(m.K)
Compressive strength GB/T 8813 ≥200kPa
Water absorption GB/T 8810 ≤3(V/V)%
Dimensional Stability GB/T 8811
(24h, -20 °C) ≤1.5%
(24h, 100 °C) ≤1.0%
High temperature-resistance ≤140°C
Quality Testing Facility:
Contact Us
- Shanghai Dongda Polyurethane Co., Ltd.
- Contact namePan Li Chat Now
- Phone86-21-57248959,15900416162
- AddressNo. 307, Shanning Road, Shanyang Town
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