BGA introductory tools suit solder balls Paste flux Curing resistance welding green oil - PCB UV solder mask

BGA Introductory tools suit solder balls Paste flux Curing resistance welding green oil ( need send by EMS or post)

Product synopsis:

1. Used in electronic components insulation and protection welding trend.
2. Circuit board the ideal repair liquid and the patron saint of components.
3. Small batch PCB production line layer surface protection resistance welding.
Dedicated to all kinds of PCB resistance welding layer flake or local damage, and fly line insulation curing use, maintenance motherboard the necessary material mobile phone, and can also be used to make a small amount of PCB!

First,ready to green oil. And one thing is to find a phone card of waste and cut into 1 centimeter wide blade, scraping the glue the time to use.

Second,green oil, now the amount shown on just right, it is about downed with 1.5 ml of the board and the appearance of the coated in a can, besmear too opened the patch to have a bubble. By this time, before the film print can finally be put to use, with ink with the circuit board to stick up, with the green oil blade slowly off to open.

Three,try to scrape thin some, like this is advantageous to the exposure, green oil is not enough to squeeze in some continue. Green oil this thing won't soon exposure, can operate the incandescent lamp, after a blow to pad, ready to exposure

Four,the sun best, summer noon sunlight 10 to 15 minutes, with 11 W energy-saving lamps exposure 30 to 40 minutes.

Five,welding plate with black part keep out, so will not exposure, always is a liquid. Jie film with the welding plate after gasoline on the curing of green oil didn't wash, clipping trimming, a beautiful piece of board is the basic molding, how, also like it?

Shipping express way

1. The goods will be shipped without tracking number within 1-7 business working days. after confirmed the payment.
2. The goods can be shipped by your choice. If the curiers or the post office with tracking number.We will provider you with the updated shipping cost as per your request. The following is the estimated delivery time for the different shipping way. Pls contact us directly and we will use your preferred way. We cooperate with more express forwarder in China. So we can get more discount in the shipping way.

Payment terms:

1. TT

2. alipay

3. western union

Warranty and return policy

1. our product has been carefully inspeated by us. So we are pleased to offer our buyer satisfaction.

2. If the items are defective. pls informed us within 3 days of delivery. Pls contact your salesperson before returning the products. We will either replacement or refund upon receupt the defective item. Customers are responsible for the return shipping cost.

3.You can return the goods to us within the warranty day if the goods was broken.

4. If the goods are damaged due to the transportation process,we do not have responsibility,but we will try our best to help you to get the compensation from the transport company .

5. After getting the returned item, we will refund the customer at the item's price ( excluding the shipping costs to and from )