30CMx1M 1M Portable Photosensitive Dry Film for Circuit Photoresist Sheet for Plating Hole Covering Etching Producing PCB Board
Fast Delivery by 1 Week
Use Paypal Checkout and Save 100% Fee on Transaction
Universal used in producing PCB board, attach on the PCB surface to make it photosensitive.
Suitable for electroplating, hole covering and etching.
Great hole covering ability.
Great adaptive capacity to different material.
Durable in pH 8.0-8.5 situation.
1.5mil dry film fully covers a 0.25inch height hole.
Suitable for usual plating bath, no wrinkle or color error.
Width: approx. 30 cm/11.81″
Length: approx. 100 cm/39.37″
1. Remove the cover.
2. Clean the surface, then attach the film carefully, be sure to make it flat and leave no air.
3. Iron the film slightly to fix it.
4. Print the PCB film to ensure precision, or use parchment paper instead.
5. Put the printed pattern on the photosensitive board to expose. The dry film will turn into deep blue from light blue.
6. Develop: Remove another film, put it into developer water. Wipe the board when developing. (1 developer water: 100 water)
8. Demould after etching is finished. Put the board into demoulding water for several minutes. (1 demoulding water: 60/70 water)
1 X Photosensitive Dry Film
Diamond Band + case For Apple Watch 40mm 44mm 38mm 42mm iWatch series 5 4 3 2 1 bracelet apple watch stainless steel strap women
$39.99Add to cart
Product features: Unique luxury design,world first Crystal alloy watch band for apple watch series 5 4 3 2 1 replace 38mm/42mm/40mm/44mm For Apple watch band easily and directly Personalize your iWatch with this refined strap compared to Apple ones,but more attractive cost;more important,it is unique Durable and elegant Crystal and stainless steel No hassle, super …
New arrival Burgundy evening Dress Formal vestido noiva sereia prom party robe de soiree luxury frock sexy side slit pockets
$200.99Add to cart
Welcome to our store Note: 1, For meeting different demands of the different buyers, we have items in stock and custom, Any special demands, please contact us! 2, The item does not include any accessories such as earrings, necklace, wedding veil and the crinoline petticoat (show on the pictures). Bidding is for the dress only! …
CRRJU Fashion Mens Watches Top Brand Luxury Quartz Watch Men Casual Slim Mesh Steel Waterproof Sport Watch Relogio Masculino
$47.99Add to cart
Specifications: Dial Diameter: 40mm Case Thickness:7mm Watch Length:24cm Band Width: 20mm Water Resistance:3Bar Features: Movement: quartz movement (Japan Made) Mirror Material:Hardlex WATERPROOF ：HANDWASH, SWIMMING, NO PROBLEM ! Perfect for all kind of business, casual, indoor activities or daily use. NOTE: Please DO NOT press any buttons in the water or wear this watch for longtime …