Giấy không chứa lưu huỳnh là một loại giấy đặc biệt được sử dụng trong bao bì mạ bạc PCB
Sulfur-free paper is a special paper used in PCB silver process" for printed circuit board manufacturers. To avoid chemical reactions between silver and sulfur in the air.The function is to avoid the chemical reaction between the silver in the electroplated finished product and the sulfur in the air, as the chemical reaction can make the product turn into yellow and caused by the defect.The operator should pack the finished electroplating product as soon as possible with suffer free paper ,further more they should wear professional gloves and product electro surface can not be touched.
CAUTIONS:
Sulfur-free paper is a special paper for PCB surface treatment process. It is stored in a cool and ventilated warehouse. Should be stacked flatly, avoiding direct sunlight, away from fire and water sources, no close to high temperature, moisture environment, and avoid to contacting with liquids (especially acids and bases)!
USAGE:
Mainly used in silver-plated packaging, such as printed
1. Do you have any certificates?
Our products passed inspection of SGS,ISO.Quality is priority! QC department especially responsible for quality checking in each process.
2.Are you a manufacturer?
We have factory,so we can control the good quality and can give you the best price.
3.How can I get some samples?
We are very happy to send you free samples to check our quality, but you need to provide your express account. We will credit this fee for you in future order.
4.How should I afford the sample freight fee?
1) It will be convenient if you any courier account.
2) If you don&rsquot have any account, you can sent the freight fee by Paypal or alibaba we will send by FEDEX or DHL after receive the freight fee.
5.Can you print my logo on the packing bag?
Yes, we can print your logo on bag or carton.
6.Why choose you?
1)17 years export experience.
2) Good service make you free from worry.
3) We are trying to bring maximum profit to our customers and we only share small.
Sulfur-free paper is a special paper used in PCB silver process" for printed circuit board manufacturers. To avoid chemical reactions between silver and sulfur in the air.The function is to avoid the chemical reaction between the silver in the electroplated finished product and the sulfur in the air, as the chemical reaction can make the product turn into yellow and caused by the defect.The operator should pack the finished electroplating product as soon as possible with suffer free paper ,further more they should wear professional gloves and product electro surface can not be touched.
CAUTIONS:
Sulfur-free paper is a special paper for PCB surface treatment process. It is stored in a cool and ventilated warehouse. Should be stacked flatly, avoiding direct sunlight, away from fire and water sources, no close to high temperature, moisture environment, and avoid to contacting with liquids (especially acids and bases)!
USAGE:
Mainly used in silver-plated packaging, such as printed
1. Do you have any certificates?
Our products passed inspection of SGS,ISO.Quality is priority! QC department especially responsible for quality checking in each process.
2.Are you a manufacturer?
We have factory,so we can control the good quality and can give you the best price.
3.How can I get some samples?
We are very happy to send you free samples to check our quality, but you need to provide your express account. We will credit this fee for you in future order.
4.How should I afford the sample freight fee?
1) It will be convenient if you any courier account.
2) If you don&rsquot have any account, you can sent the freight fee by Paypal or alibaba we will send by FEDEX or DHL after receive the freight fee.
5.Can you print my logo on the packing bag?
Yes, we can print your logo on bag or carton.
6.Why choose you?
1)17 years export experience.
2) Good service make you free from worry.
3) We are trying to bring maximum profit to our customers and we only share small.
Bạn cần đăng nhập để chat với shop