Speedball – BLOCK INK – Water Soluble Retarder


In stock


Speedball retarder slows ink drying time, maintains ink viscosity. Safe for use in the classroom, all colours carry the AP Seal and clean up easily with soap and water.

2.5oz (75ml)

Additional information

Weight 0.23 kg
Dimensions 10 × 7 × 1 in


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