Physical properties of Shirasu-balloons of each companies
| Mean diameter | 30-300 microns |
|---|---|
| Tapped bulk density | 0.1-0.4 g/cm3 |
| Particle density | 0.7-1.2 g/cm3 |
| Thermal conductivity | 0.06-0.1 W/(m.K) |
| Amount of particles floating after dispersed in water | 20-90 wt% |
| Strength (Amount of particles floating after hydrostatic compressing at 8MPa) | 5-49 wt% |
| Whiteness | 72-83 |
List (in order at random) of manufacturing companies of Shirasu-balloons
| Brand name of Shirasu-balloons | Name of company | Adress | Main uses |
|---|---|---|---|
| WINLITE | Axyz Chemical Co.,Ltd. | Carites Sasaki Bilding 3F, 3-29-6, Hongou, Bunkyo-ku, Tokyo, 113-0033, JAPAN | Lightweight building materials, Paint, Paper clay |
| SANKILITE | Sanki Chemical Engineering & Construction Co.,Ltd. | 1742-7, Shimotsuruma, Yamato, Kanagawa Prefecture, 242-0001, JAPAN | Lightweight building materials, Paper clay |
| SILICA-BALLOONS | Kushiro Sekitan Kanryu Co.,Ltd. | 3-4-1, Kaizuka, Kushiro, Hokkaido, 085-0816, JAPAN | Lightweight building materials, Paper clay |
| SILAX | Silaxu Co.,Ltd. | 4-22-6, Takeoka, Kagoshima Prefecture, 890-0031, JAPAN | Lightweight building materials, Paint, Paper clay |
| DSRF | Daiken Industries Co.,Ltd. | 2-5-8, Kaigandoori, Okayama, Okayama Prefecture, 702-8503, JAPAN | Lightweight building materials |
| TAISETSU-BALLOONS | Biei Hakudo Kogyo Co.,Ltd. | Misawakyowa, Biei, Kamikawa-gun, Hokkaido, 071-0236, JAPAN | Lightweight building materials, Carrier for agricultural medicine |
| TERRA-BALLOONS | Ube Material Industries, Ltd. | Kyodo Bldg 5F 1-9-12 Nihonbashi Takaracho, Chuo-ku, Tokyo, 103-0022, JAPAN | Lightweight building materials |
| SUPER-BALLOONS | Showa Chemical Industry Co.,Ltd. | 2-23-18, Simomeguro, Meguro-ku, Tokyo, 153-0064, JAPAN | Lightweight building materials |
| MAARLITE | Marunaka Hakudo Co.,Ltd. | 66, Aza-Hiruta, Nakano, Iizaka-machi, Fukushima, Fukushima Prefecture, 960-0261, JAPAN | Lightweight building materials, Carrier for agricultural medicine |