Butterfly Dignics 09C vs Nittaku Fastarc C-1: Which Should You Buy?

UltraSpin comparison · 2026-06-10 · rubber

Butterfly Dignics 09CNittaku Fastarc C-1
Our rating8.7/108.4/10
best_sideforehandbackhand or allround
controlmedium-highhigh
speedhigh (when looping with full swing)15.25 (Nittaku scale)
spinextreme12.25 (Nittaku scale)
sponge_hardness44 degrees (Butterfly scale; plays around 50-52 ESN)45 degrees
typehybrid tacky tensor (Spring Sponge X)inverted / tensor
weight_uncut_g70approx 47 g (157 x 150 mm sheet)

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Dignics 09C (8.7) and Nittaku Fastarc C-1 (8.4) both excel at spin with opposite design philosophies. Dignics blends Chinese tacky grip with European tensor speed, outstanding for looping and counterlooping, extremely grippy on serves, excellent durability, and underrated blocking—a foreground rubber best on OFF or faster blades. Fastarc C-1 prioritizes forgiving spin on opening loops and mid-distance striking, shared G-1 topsheet grip, high arc safety, effortless passive blocks, and excellent value versus Tenergy 64 or 80.

Choose Dignics 09C if you want Chinese-style tacky-tensor hybrid feel, can handle heavier weight, and pair it with aggressive blades. Choose Fastarc C-1 if you loop heavily, value arc safety and consistency, prefer allround or backhand use, and prioritize forgiveness over tacky feel. Fastarc C-1 has a lower speed ceiling and generates less free spin passively; Dignics prioritizes extreme spin and demands aggressive strokes.

FAQ

Which is heavier?

Dignics 09C is 70g uncut. Fastarc C-1 is approx 47g (157 x 150 mm sheet), significantly lighter.

Which spins more?

Dignics 09C offers extreme spin with Chinese-style tackiness. Fastarc C-1 offers outstanding spin and dwell with higher safety margin.

Can I use both on backhand?

Fastarc C-1 is explicitly for backhand or allround use. Dignics 09C’s heavy weight hurts backhand flicks.

Which is more forgiving?

Fastarc C-1 is more forgiving on timing and mishits. Dignics 09C needs high swing speed and active play.

Which lasts longer?

Dignics 09C has excellent durability. Fastarc C-1 has a durable topsheet but not as legendary as Dignics.