Micropearl product line up (Plastic Spacer)Micropearl is uniformly particle size distribution with a spherical particles (beads).
Base technology was cultivated with LCD spacer applications
・Wide range of hardness is available, it is possible to choose from rigid to flexible.
・Particle size can be maintained in a wide range of materials
Wide range of particle size availability according to customer's requirements
| SP series | |||||
|---|---|---|---|---|---|
| Product name | Average particle diameter | ｃｖ（%） | Product name | Average particle diameter | ｃｖ（%） |
| SP-203 | 3.00±0.05 | About 5% | SP-211 | 11.00±0.10 | About 5% |
| SP-2035 | 3.50±0.05 | SP-212 | 12.00±0.10 | ||
| SP-204 | 4.00±0.05 | SP-213 | 13.00±0.10 | ||
| SP-2045 | 4.50±0.05 | SP-214 | 14.00±0.10 | ||
| SP-205 | 5.00±0.05 | SP-215 | 15.00±0.10 | ||
| SP-2055 | 5.50±0.05 | SP-218 | 18.00±0.10 | ||
| SP-206 | 6.00±0.05 | SP-220 | 20.00±0.15 | ||
| SP-2065 | 6.50±0.05 | SP-225 | 25.00±0.20 | ||
| SP-207 | 7.00±0.05 | SP-230 | 30.00±0.25 | ||
| SP-2075 | 7.50±0.05 | SP-235 | 35.00±0.30 | ||
| SP-208 | 8.00±0.05 | SP-239 | 39.00±0.30 | ||
| SP-2085 | 8.50±0.05 | SP-250 | 50.00±0.50 | ||
| SP-209 | 9.00±0.05 | SP-275 | 75.00±0.50 | ||
| SP-2095 | 9.50±0.05 | SP-L100 | 100.00±1.00 | ||
| SP-210 | 10.00±0.10 | SP-L110 | 110.00±1.00 | ||
| GS series | |||||
|---|---|---|---|---|---|
| Product name | Average particle diameter | ｃｖ（%） | Product name | Average particle diameter | ｃｖ（%） |
| GS-220 | 20.00±1.00 | About 7% | GS-L150 | 150.0±7.5 | About 7% |
| GS-230 | 30.00±1.50 | GS-L200 | 200.0±10.0 | ||
| GS-235 | 35.00±1.75 | GS-L250 | 250.0±12.5 | ||
| GS-240 | 40.00±2.00 | GS-L300 | 300.0±15.0 | ||
| GS-250 | 50.00±2.50 | GS-L350 | 350.0±17.5 | ||
| GS-255 | 55.00±2.75 | GS-L375 | 375.0±17.5 | ||
| GS-260 | 60.00±3.00 | GS-L400 | 400.0±20.0 | ||
| GS-270 | 70.00±3.50 | GS-L425 | 425.0±20.0 | ||
| GS-280 | 80.00±4.00 | GS-L450 | 450.0±22.5 | ||
| GS-290 | 90.00±4.50 | GS-L475 | 475.0±22.5 | ||
| GS-L100 | 100.00±5.00 | GS-L500 | 500.0±25.0 | ||
| GS-L110 | 110.00±5.50 | GS-L525 | 525.0±25.0 | ||
| GS-L120 | 120.00±6.00 | GS-L550 | 550.0±27.5 | ||
| GS-L130 | 130.00±6.50 | GS-L600 | 600.0±30.0 | ||
| GS-L140 | 140.00±7.00 | ||||
| Item | Test result | Form | Test method |
|---|---|---|---|
| Compressive fracture strength[kg/mm2] | 11 | Block | JIS K7208 （Cylinder） |
| Compressive elasticity modulus[mg/mm2] | 480 | Block | JIS K7208 （Cylinder） |
| Specific gravity | 1.19 | Plate | JIS K7122 |
| Coefficient of thermal expansion[/℃] | 9.8×10 | Plate | average temperature of 20 to 80℃ |
| Thermal decomposition temp[℃] | 330 | Product | TGA（In the air） |
| Volume resistivity[Ωcm] | 3.6×10 | Plate | JIS K6911（500V） |
| Permittivity | 2.9 | Plate | JIS K6911（1,000Hz） |
| Dissipation factor | 0.02 | Plate | JIS K6911（1,000Hz） |
| Total light transmittance ratio | 86.00% | Plate | JIS K6714（2.3t） |
| Haze | 3.50% | Plate | JIS K6714（2.3t） |
| Refractive index | 1.57 | Plate | ASTM（Abbe Refractive index） |
| Volatile content | 0.60% | Product | JIS（105℃×1H） |
| Chemical resistance | Weight rate of change | Form | Weight change after the 10th dipping (20°) |
| Water | 0.5% | Plate | 2 mmt 1g DI water |
| NaOH | -0.20% | Plate | 2 mmt 1g 1/10 N |
| IPA | 1.10% | Plate | 2 mmt 1g 100％ |
| N-MP | 0.00% | Plate | 2 mmt 1g 100％ |
| Acetone | 1.00% | Plate | 2 mmt 1g 100％ |
| HCl | 0.40% | Plate | 2 mmt 1g 1/10 N |
| Ion content/SP | Form | Analysis method | |
| Na | ≦2PPM | Product | Atomic Absorption Spectrometry |
| K | ≦1PPM | Product | Atomic Absorption Spectrometry |
| Ca | ≦1PPM | Product | Atomic Absorption Spectrometry |
| Fe | ≦2PPM | Product | Atomic Absorption Spectrometry |
| Cl | ≦1PPM | Product | 90℃1Hr、Extra pure water extraction. Ion chromatography method |
