KEVENZ 3-Star 40mm Table Tennis Balls,Advanced Training Ping Pong Balls (Orang,White,Practice ping-pong)

Amazon Price: $16.99 (as of November 21, 2016 2:54 am – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

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KEVEN table tennis balls Purchasing Guidelines

KEVENZ table teenis balls is divided into three grades: K1,K2,K3(Pay attention to product identification title)。

1 Applicable user

1.1 Grade K1: Practice ball,suitable for beginer ,or player with one training year

1.2 Grade K2: Practice ball,suitable players with skills,playing balls for 1 to 2 years

1.3 Grade K3:Tournament Ball,suitable for player with 3 training years

2 Weight Conformity

K1 weight:is 2.5 and 2.6g

K2 weight:is 2.6 and 2.67g

K3 weight:is 2.67 and 2.77g

3 Bounce Conformity

All balls must rebound to a height of not less than 220mm or more than 260mm when dropped from a height of 305mm on to a standard steel block.

K1 rebound height:220mm and 240mm

K2 rebound height:240mm and 255mm

K3 rebound height:>255mm

4 Hardness Regularity

K1 The coefficient of variation shall be not greater than 0.1mm

K2 The coefficient of variation shall be not greater than 0.08mm

k3 The coefficient of variation shall be not greater than 0.06mm

Product Details

  • Shipping Information: View shipping rates and policies
  • ASIN: B01M7YS92C

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