JOYWAY INDUSTRIAL COMPANY LIMITED
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Low mould temperature MDI system car 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 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 |
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 final interpretation of this specification is owned by our company.