... fluoro gum (FG). Applicable To : Paper making industry, dyeing and textile, can making, printing, electronics, furniture timbering, plastic knurling, ... Requirements: Rubber hardness can be within 20A0 to 100A0 that the ??A?? can be set wantonly ( ... fluoro gum (FG). Applicable To : Paper making industry, dyeing and textile, can making, printing, electronics, furniture timbering, plastic knurling, ...