Description
NBR Latex is made by Polymerization of Batudiene and Acrylonitrile.
It can be used for making thin examination gloves with good tensile strength and elongation by coagulent dipping process.
| Component | Carboxylated NBR | ||
| Solid (%) | 44.3 – 45.3 | ||
| pH (25°C) | 8.0 – 9.0 | ||
| Viscosity | < 200 | ||
| Tg (°C) | ~ -25°C | ||
| Acrylonitrile ( B-AN) | Medium High | ||
| Compounded Time (hr) | Thickness(mm) | Tensile (Mpa) | Elongation(%) |
| 24 | 0.080 | 23.6 | 705 |
| 48 | 0.078 | 24.5 | 700 |
| 72 | 0.082 | 24.6 | 690 |
CERTIFICATE OF ANALYSIS
NBR – 310
| General Property (Milky White) – ASTM | |||
| Components | Carboxylated NBR | ||
| Solid (%) | 44.5±1.0 | ||
| pH ( 25°C) pH | 8.0±1.0 | ||
| Viscosity (mPaS) | <200 | ||
| Tg (°C) | ~ -25°C | ||
| Acrylonitrile (B-AN) | Medium High | ||
| Glove Property – ASTM | |||
| Compounded Time (hr) | Thickness(mm) | Tensile (Mpa) | Elongation(%) |
| 24 | 0.080 | 23.6 | 705 |
| 48 | 0.078 | 24.5 | 700 |
| 72 | 0.082 | 24.6 | 690 |
NBR – 730
| General Property (Milky White) | ||
| Component | Carboxylated NBR | Result |
| Solid (%) | 44.0±1.0 | 44.5 |
| pH (25°C) | 7.8±9.0 | 8.5 |
| Viscosity (mPaS) | ≤ 100 | 50 |
| Surface Tension (mN/m) | ≤ 40 | 36.1 |
| Residual Monomer (ppm) | ≤ 50 | 38.7 |
NBR – 830
| General Property (Milky White) – ASTM | |
| Component | Carboxylated NBR |
| Solid (%) | 45 |
| pH (25°C) | 8.50 – 8.70 |
| Viscosity (mPaS) | 80 – 82 |
| Surface Tension (mN/m) | 32 – 34 |
| Tg (°C) | – 30 |
| ACN contents (%) | 36 – 28 |
| Compouding Formulation & Dipping Procedure | |
| Dipping Compound | (phr) |
| KOH ( or NH4OH) | To Adjust pH 9.8 ~ 10.0 |
| Curing Agent | |
| Sulfur | 0.5 ~ 1.5 |
| ZnO | 1.2 ~ 2.1 |
| ZnDEC | 0.25 ~ 0.50 |
| TiO2 | 1.0 ~ 1.5 |
| Dispersant | 0.3 |
| Total Solids Contents (%) | 20 |
| Application Properties | ||||||||||||||
| Compounding Formulation | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ||||
| Sulfur (phr) | 0.5 | 0.5 | 0.8 | 1.2 | 1.6 | 0.5 | ||||||||
| ZnO | 1.5 | 1.5 | 1.0 | 1.5 | ||||||||||
| ZnBDC | 0.25 | 0.25 | 0.25 | |||||||||||
| TiO2 | 1.0 | 1.0 | 1.0 | |||||||||||
| Compound pH | 9.5 | 9.8 | 10.0 | 10.2 | 10.0 | 10.0 | ||||||||
| Physical Properties of Glove | ||||||||||||||
| Thickness (mm) | 0.10 | |||||||||||||
| M300 (Mpa) | 3.5 | 3.8 | 4.0 | 4.0 | 4.0 | 3.0 | 4.1 | 4.3 | 3.8 | 4.0 | ||||
| M500 (Mpa) | 8.9 | 10.4 | 11.2 | 11.8 | 11.2 | 11.3 | 11.7 | 12.4 | 10.5 | 11.2 | ||||
| Tb (Mpa) | 38.8 | 39.6 | 43.4 | 40.4 | 43.4 | 43.6 | 45.2 | 47 | 42.9 | 43.4 | ||||
| Elongation (%) | 586 | 602 | 630 | 641 | 630 | 628 | 636 | 636 | 621 | 630 | ||||
