Moreover the diazo sensitizer always comes in powder from. The mixing ratio is 10 parts emulsion : 1 part diazo liquid (approximate is okay). So you don't need to mix the whole bottle at one time. That is because after mixing you can only keep for 2 weeks to 1 month. This mixing job is always mixed by yourself. This emulsion is mixed from white emulsion and diazo liquid. Step 3 Mixing the sensitive emulsion ( video)īefore the exposure we should prepare the light sensitive emulsion. If you are in a rush, you may use the hair drier to dry up the screen. You should lean the screen against a wall vertically. That will make some lint to stick on the screen. Please don't use towel to dry the screen. Then you should use water to wash the screen. You can use normal dish cleaner to clean the screen. However before the exposure you should always clean the screen frame first. Not necessary to prepare the stretched screen mesh immediately before the exposure. You can store the stretched screen frames for long time before exposure. If you want to buy these products, please contact us. We hope you saw the video below and can understand the concept easily. You can glue the screen mesh on screen frames smooth and cleanly, without mess. And the adhesive glue is also special for screen printing. If you have this product you can do the stretching job by yourself. In our demo video we are using our own custom-made nail bars screen stretcher. If the stretched mesh is too loose, the colour ink may still stay stuck on the screen after you lift up the screen. We should stretch the screen mesh as tight as possible. The first step is learning how to stretch your screen mesh on the wooden frame or aluminum frame. For more information please click the button below to find more details. We have prepared a combo package in which everything is included. This can help us to do the work smoothly and to avoid mistakes. In order to do the procedure smoothly, you should prepare the following equipment first. The steps for photo stencil aren't complicated, you just need some simple equipment. If you choose to use a photopolymer, I recommend either Lawson’s SBQ-1077, especially if you are using a computer-to-screen (CTS) imaging device, or Ulano's Blue, which is a good photopolymer that is more forgiving and works great with screen printing film positives.Screen Printing Making Guide - Preparation The chemistry of photopolymer emulsions make them great for fine details and half-tones. Photopolymers are highly sensitive to UV/LED light. The fastest exposing screen printing emulsions are photopolymers. If you are a screen printer using an LED exposure unit, fast exposure times is key. Lawson’s Dual-Cure 310 is very user-friendly and economical. I recommend beginner silk screeners start out with Lawson Dual-Cure 310. Having a wider latitude makes it easier to develop (wash-out) your screen if you under or over expose your emulsion coated screen. Dual-cure emulsion has a wider exposure latitude. If you are new to t-shirt printing, or have longer exposure times because you are not using an LED exposure unit, a dual-cure might be a good option for you. Knowing your screen printing experience level, and understanding the type of exposure unit you use is a big help when deciding between the different emulsions. Don’t worry, we will help you select the right type of photo emulsion to use for screen printing. For each type and style there are various pros and cons that mainly relate to exposure times, light source, and the amount of detail in your image. The three main types of emulsion are photopolymer, diazo, and dual cure. Your choices vary between liquid emulsion and emulsion sheets (also known as capillary film). Each emulsion type has its advantages and its disadvantages. For example, when it comes to selecting photo emulsion. Having the right screen printing supplies affects your entire printing process. Not sure which screen printing emulsion is best for you? Don’t worry, we will help you select the right one. Knight Heat Press & Transfer Equipmentġ Day Digital / Sublimation Printing Class Registration, Coating, & Drying Equipment Screen Printers, Accessories, and Digital Equipment
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