JOYWAY INDUSTRIAL COMPANY LIMITED
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PU high resilience foam materials for the boxing glove
BRST－01A/B
Introduction:
BRST-01A is made up of polymer polyol, grafted polyether polyol, cross linker, blowing agent, and composite catalyst. JYHR-11B is made up of modified MDI and other MDI. This type of blend polyol can be used under the temperature 25-45℃. The finished foam enjoys low density, good rebound, comfortable feeling ect. And the hardness and density can be adjusted by customer requirement. It can be used to produce the boxing glove.
Typical Properties
| Item Unit | BRST-01A | BRST-01B | |
| Appearance OHV NCO Viscosity(25℃)Density (20℃) Storage temp. Shelf life |
mgKOH/g % mpa.s g/ml ℃ Months | Milky white liquid 42±2 / 1200±200 1.05±0.05 15－25 12 | Brown liquid / 26±1 80±5 1.20±0.05 15－25 12 |
Recommended ratio
| Weight ratio | |
| BRHR-11A BRHR-11B | 100 65-75 |
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— 10 66-68 25-45 5-8 52-57 | 9-10 66-69 25-45 5-8 50-55 |
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 | 65-85 ≥120 ≥100 ≥55 ≥2.0 ≤10 200-300 800-1200 |
The final interpretation of this specification is owned by our company.