Constitution

MCF rubbers 1-1, 1-2, 3

KF96: 3 g; S-500: 3 g; 671A: 3 g; PVA: 3 g; MF: 0.75 g; TiO₂: 0.5 g

MCF rubber 2

KF96: 3 g; S500: 3 g; 671A: 3 g; PVA: 3 g; MF: 0.75 g; TiO₂: 0.5 g; Na₂WO₄∙2H₂O: 0.5 g