DHS Hurricane 3 National Blue Sponge vs Yasaka Rakza 7 Soft: Which Should You Buy?

UltraSpin comparison · 2026-06-12 · rubber

DHS Hurricane 3 National Blue SpongeYasaka Rakza 7 Soft
Our rating8.4/108.2/10
best_sideForehandbackhand or both
control709+ (Yasaka scale)
speed9111 (Yasaka scale)
spin9814+ (Yasaka scale)
sponge_hardness39-42 degrees (varies by batch; commonly 40 or 41 deg)40 degrees (37-42 ESN range)
typeInverted / Tackytensor/inverted
weight_uncut_gapprox 70-73 g uncutapproximately 42-44g

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National Blue Sponge is the highest-spin rubber in competitive table tennis, unmatched for mechanical topspin power. Yasaka Rakza 7 Soft prioritizes control and placement with a forgiving soft sponge and high throw angle.

National Blue is the tournament weapon for elite forehand loopers; Rakza is ideal for intermediate players and all-round attackers seeking precision over explosiveness. National Blue demands boosting and elite technique; Rakza is ready immediately and works on both wings.

FAQ

Which is better for backhand?

Rakza 7 Soft performs reliably on both sides. National Blue is forehand-only and unsuitable for backhand.

Which is better for short game?

Rakza 7 Soft. Excellent serve and receive, especially for precise short flicks. National Blue excels but is harder to control.

Which generates more spin?

National Blue at 98 versus Rakza at 14+ (Yasaka scale). National Blue is mechanically superior in spin.

Which is significantly lighter?

Rakza 7 Soft at approximately 42-44g versus National Blue at roughly 70-73g.

Does Rakza need boosting?

No. National Blue requires approximately one week of preparation and boosting.