Congo red paper, 100 units/pack

Congo Red Test Paper is used in acid washes for metal plating where pH values are very low (pH 1.0-3.0). The Congo Red indicator remains blue below pH 3.0, then gradually turns to a brilliant red above pH 5.2.

1. 100 units/pack
   
2. used to test narrow-range acidic solutions

Shipping policy

The goods will be shipped with tracking number as standard  from China to Worldwide, the delivery time and the shipping costs depend on countries. The delivery of uninsured packages is impossible.

The order will be shipped in 2 or 3 working days.

Working days is from Monday to Friday. On Saturday and Sunday as well as Holidays no ordered goods will be dispatched.

On the day of sending your goods, you will receive an automatic e-mail with your package number and a link for tracking the shipment. You can track the progress of your shipment and also the planned delivery date.

we take all risks during shipping, if any damage occurs in transit, pls contact us in 24 hours after you receive the goods, we will arrange a replacement or refund to compensate for your loss.

We calculate shipping costs by shipping weight.

If your country is not in the list below, please do not hesitate to contact us.

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Deliveries from China to worldwide, additional taxes or costs (customs duties, import turnover tax, inspection fee etc.) could be added. These will be paid by buyer directly at the import / receipt of the goods.

Information for the calculation of the delivery date

Please understand that we have no influence on the internal running and delivery times of the package services. Due to holidays  and / or possible strikes, delays can occur.

Step 1:

Add Products to the shopping Cart

Step 2:

Click Shopping Cart and view your Shopping bag.

Step 3：

Click Get shipping estimates and then select your country and state.

fill the zip code and click calculate shipping.