Customer review for Sanwei Target National

External Review for Sanwei Target National on January 11, 2022

Hi, I am not writing a full review for STN. This rubber has already gained a lots of complements from many players, positive reviews are plenty available in the Internet. I just wanted to add some information for people who is thinking of giving this rubber a try.
Re-gluing. This rubber does not like re-gluing. Please be advised that only H40 sponge can be confidently re-glued. When cleaning old glue from H40 sponge, the sponge may remain intact. Re-gluing H39 and especially 1.8mm is bad idea. Sponge is too soft, as the most of cake sponges. So, once you glue let it sit there for 90 hours then you decide what to do. If you are going to re-glue, then again be advised that this rubber curls inwards, so gluing it back is a pain in the bum.
Part 1:

Please be careful when choosing thickness and hardness. STN comes with a choice of three thickness - 1.8, 2.1 and MAX which is probably 2.2mm. On top of that the hardness can be 40 or 39. For some weird reason only a few shops accurately advertise specs. Over years I've seen no spec given or they sell MAX but it's no clear what hardness. Due to the heavy sponge, MAX with H40 will be very heavy... when cut to viscaria size shake hand grip the weight of the sheet will be 56 - 54g. This is very heavy. The most pleasant and predictable sheet of STN is 2.1mm H39 black. In this specification expect 50g when cut. This will be the sweet spot spec. Not too heavy, not too bouncy. My personal trick is that I glue STN leaving 3-4mm gap between rubber and handle. This allows to lower the weight (I like head heavy racket as everything is easier with it).

Many reviews claim that STN is tacky but for a short time. All you need to do is to wash your sweat after every training using one drop of liquid soap. The tack will come back, maybe even too much for some people.

Durability of top sheet. Over the years I have never been able to get more than 100 quality play hours from this rubber. 92 - 100 hours is a sweet spot. Then change.

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