Low Mould Temperature Modified MDI Seat Foam Raw Material For Saddle Foam
Low mould temperature MDI system seat foam
JYHR－11A/B
Introduction:
JYHR-11A is made up of polymer polyol, grafted polyether polyol, cross linker, blowing agent, and composite catalyst. JYHR-11Bis made up of modified MDI. This type of blend polyol can be used under mold-temperature 40- 50℃. It’s total environment friendly, it is low odor, and the hardness can be adjusted by customer requirement. It can be used to produce cushion, motor bike seat foam,saddle seat foam etc.
Typical Properties
| Item Unit | JYHR-11A | JYHR-11B | |
|
Appearance OHV NCO Viscosity(25℃)Density (20℃) Storage temp. Shelf life |
mgKOH/g % mpa.s g/ml ℃ Months |
Milky white liquid 44±2 / 1400±200 1.05±0.05 15－25 12 |
Brown liquid / 29.0±1 120±20 1.2±0.05 15－25 12 |
- ＊Under the recommending temperature, keeping in the original dry barrels of storage; B-side is suggested using nitrogen seal save as much as possible after opening.
Recommended ratio
| Weight ratio | |
|
BRHR-11A BRHR-11B |
100 55－85 |
REACTIVE PROPERTY (Material temperature is 25℃)
| By hand | Machine | ||
|
Cream time (s) Gel time (s) Mold temperature (℃) Demould time (min)FRD (kg/m3) |
s s ℃ min kg/m3 |
9— 12 65—75 40—50 4-6 30—35 |
8— 11 60—70 40—50 4—6 30—35 |
TYPICAL PHYSICAL PROPERTY
| Unit | Data | |
|
Moulded density Tensile strength Elongation (%) Rebound Tear strength 75% Compression Set (70℃ ,22h) 25% ILD (N/314cm2) 65% ILD (N/314cm2) |
Kg/m3 Kpa % % N/cm % N/314cm2 N/314cm2 |
40-45 ≥100 ≥80 ≥50 ≥2.0 ≤10 ≥150 ≥550 |
- The above technical data are tested by our own, is not subject to any restriction in law.
The final interpretation of this specification is owned by our company.
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