soft foam polyester surfactant qg-990
| soft foam polyester surfactant | |
| qg products | product features |
| qg-990 | equivalent to gas 990a and corning 990b, with fine cells. |

soft foam polyester surfactant qg-990
| soft foam polyester surfactant | |
| qg products | product features |
| qg-990 | equivalent to gas 990a and corning 990b, with fine cells. |

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