A8 Tondaus Auto-vanishing pen; Gauge marking pen,

Introduction on Auto-Vanishing Pen：

Tondaus® Auto-vanishing pen is a temporarily marking pen,whose writing disappears automatically by absorbing moisture in the air and is removed quickly by water. Auto-vanishing pen in Japan can be replaced totally by Tondaus® Auto-vanishing pen . It is widely used on making shoes or clothes,carpentry,calligraphy  and so on. Tondaus® Auto-vanishing pen had passed Test ”Adidas A-509” and “Nike RSL” which are from some famous brands around the world.Tondaus® Auto-vanishing pen had been supplier of Poucheng Group which is tycoon of global shoemaking field.  

Product name：Auto-vanishing pen ，Gauge marking pen

Brand：tondaus

Model：A8    Color：red

Tip size：2.0mm&1.0mm，more details as following：

1.0mm will perform well on material in light color;

2.0mm will perform well on material in dark color,which can write more fluently than 1.0 mm.

A8 Tondaus Auto-vanishing pen; Gauge marking pen,

Manufacturer, Nike RSL, Adidas A01 approved, benchmark product, good performance for white materials.

1. Appearance and dimension

Pen    length：168mm  Diameter：9mm

Tip   length：30mm  Diameter：2mm

Refill   length：112mm  Diameter：6mm

2. Test for disappearing time

(Test condition：humidity is 70 %、temperature is 28 ℃, can not test under sealed environment, airtight environment will not make the writing disappear automatically)

1. The disappearing time is for reference not accurate time.Actual time will depend on the temperature,humidity,air,the chemical composition of the material,treatment or glue.
2. Please ensure that the writing on shoes or materials by auto-vanishing pen had disappeared totally before package in order not to happen yellowing reaction.
3. If that the writing had not disappeared before package, please choose a model whose writing can disappear faster and vice versa.

3. Package/Delivery：

Package：12 pcs/1 dozen; 144 dozen/ctn or 100 dozen/ctn

Dimension of carton（144 dozen）：56.5*33*33cm ,17kgs/ctn;   

Dimension of carton（100 dozen）：39*33*33cm，13.2kgs/ctn

Q&A：

1. Q: Why does the writing of auto-vanishing pen not disappear totally before package ？

   A：It shows that you use wrong model.Choose another model which can disappear more quickly in order to ensure that the writing can disappear totally before package. If the writing had not disappeared totally before package,it will cause yellowing reaction because the writing will not disappear until contacting with air.

2. Q: Why does the writing disappear too fast to see during sticking the glue to the sole?

   A：It shows that you use wrong model.Choose another model whose writing can disappear in longer time. If it is out of stock in your warehouse,please contact with us for samples.

3. Q: Why does the writing of auto-vanishing pen not disappear on mesh cloth?

   A：Please choose models made for mesh cloth,such as A2,A3,A4.

4. Q: Why does the writing of auto-vanishing pen in white not disappear automatically ？

   A：Nowadays, the writing of all auto-vanishing pens in white can not disappearing automatically,but they can be removed by water. Please try it before place a large order.     

5. Q: How can we do if the writing of auto-vanishing pen can not be saw on dark color materials?

A：You can use our white frixion pen,which will disappearing automatically over 50 ℃ and show under 15 ℃ . Please try it before place a large order.  

6. Q: How can we do if the writing happens yellowing reaction?

   A：It shows that you use wrong model.Choose the model whose writing can disappear more quickly,and ensure the writing had disappeared totally before package.

7. Q: How can we do if the writing disappears on rubber material?  

   A：Rubber will have chemical reaction with the ink of auto-vanishing pen,so we suggest to use silver pen

to replace it.

8. Q: What is the difference in A2，A3，A4，A5，A8,A11 and A13？

   A：The smaller number is , the faster writing disappears.  

A8 tondaus auto-vanishing pen 2.0 or 1.0mm sold by original manufacturer