Open cell/close cell Two component Polyurethane Rigid Foam Fireproof Spray Polymetric MDI for insulation or injection
Polyureathane rigid foam BLEND POLYOLS and ISOCYANATE
T-501A is spray blend polyols, it reacts with isocyanate to produce foam which has excellent performances, which are as follows,
1) fine and uniformity cells
2) low thermal conductivity
3) perfect flame resistance
4) good low temperature dimentional stability.
It applies to all kinds of thermal insulation engineering which uses the spray technology, such as cold rooms, pots, large-scale pipelines and construction metope etc.
CLOSED CELL POLYURENE MDI &POLY PHYSICAL PROPERTIES | ||||||
1 | Density | 245FA/ft² | 33.6kg/³ | |||
2 | Initial Thermal Resistance (R-value@ 1 inch )See ESR for additional R-Value information | 7.4ft²hF/BTU | 1.3Km²/w | |||
3 | Air Leakage @75Pa@1” | ＜0.002L/sm² | ||||
4 | Air Permeance @75 Pa@1” | ＜0.002L/sm² | ||||
5 | System Air Leakage Rating ,After wind Conditioning @ ∆ | ＜0.0022L/sm² | ||||
6 | Penetrations Check :Continuity at Penetrations @ reference air leakage | Pass | ||||
7 | Water vapor Permeance @1.42” Qualifies as a Class II vapor barrier per IBC Section 202 | ＜1perm | ＜57.2ng/Pa•s•m | |||
8 | Compressive Strength | 28.7Psi | 198kPa | |||
9 | Tensile Strength | 46.2Psi | 319Kpa | |||
10 | Dimensional Stability @158°F(70°C)97% R.H (168 hrs,sample without any substrate) | (% volume change ) -1.37/-0.42/+0.27 | ||||
11 | VOC Emissions Standard | Complaint | ||||
12 | Closed Cell Content | ≥90% | ||||
Wood Imitation Rigid Polyurethane Blend Polyols
simple molding process, high production efficiency and excellent appearance. Characteristics are as follows, 1.Excellent
repetition molding property. It not only can mould certain shape size, but also mould lifelike wood texture and other designs,
good touch. 2.Appearance and feel close to wood, which could be planed, nailed, drilled, and carved patterns or designs. 3.Mold
can be aluminum or steel, and silicon rubber, epoxy resin or other resins, which are low cost and easy machining. 4.Process is
simple, fast, high efficiency of qualified. 5.Physical and mechanical properties is one of optimal synthesis wood produced by
various polymer. Physical property can be controlled by adjusting the formula.
Appearance | Light yellow to brown yellow viscous liquid |
OHvalue mgKOH/g | 250-400 |
Dynamic viscosity （25℃） mPa.S | 1000-1500 |
Density （20℃） g/ml | 1.10±0.02 |
Storage temperature ℃ | 10-25 |
Storage stability month | 6 |
Raw materials | pbw |
DonFoam 601 polyols | 100 g |
Powder | 3-5 |
Isocyanate | 60-100 |
Rise time | 50-70s |
Gel time | 140-160s |
Tack free time | 200-220s |
Free density | 300-850kg/m3 |
Moulding density | 400-1000 kg/m3 |
Curving strength | 7-20 MPa |
Compressive strength | 7-30 MPa |
Tensile strength | 5-20 MPa |
Surface strength | 35-70 (Shore D) |
Shrinking ratio | ≤0.1% |
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