Low-Melt Automatic PE Valve Bags for Carbon Black made for carbon black have lots of good points. They melt at a steady temperature, are strong, and are good for the environment. Plus, they come in different sizes to fit all kinds of needs.
Advantages
Steady Melting Temperature
Low-Melt Automatic PE Valve Bags for Carbon Black melt at a consistent temperature. That's a big plus. They can melt quickly when they hit the right heat. This means you can put them into production equipment right along with the carbon black. No need to take the carbon black out of the bag first. That saves time. It makes the whole production process run smoother, too. You cut out the step of separating the packaging from the carbon black. Everything moves faster because of it.
Strong and Durable
These bags are built tough. They have great strength in different directions. When pulled sideways (transverse), they can handle 23-25MPa of force. When pulled lengthwise (longitudinal), that goes up to 24-27MPa. They can stretch a lot before breaking, too. Sideways, they stretch 750-820% of their original length. Lengthwise, it's 730-760%. The sealed parts are strong too. The top, bottom, and corners all seal with 38-45N/15mm of strength. All this means the bags can handle the pressure when they're filled with carbon black. They don't tear or break easily, even when packed full.
Good for the Environment
These bags are eco-friendly. You can put them right into rubber mixing machines with the carbon black. They melt into the rubber quickly. And they don't mess up how the rubber works. That's a big deal. It means no packaging waste gets left behind. You don't have to throw away empty bags. This fits with today's environmental rules. It also makes the production process more sustainable. Less waste means a smaller impact on the planet.
Easy to Fill
Filling these bags is simple. There's a valve at the top or bottom. You just slide that valve onto the filling machine's port. Then the machine fills the bag with the right amount of carbon black, and it does it fast. You don't need a lot of people to help. This automated process makes packaging much quicker. It cuts down on labor costs. And because it's machine-done, there's less chance of mistakes in how much carbon black goes into each bag.
Nice, Regular Shape
Once these bags are filled, they look neat. They automatically form a rectangle. That makes stacking them easy. You can pile them up neatly. The bags hold their shape well, too. When stacked on a pallet, they don't squish or fall over. That's good for transportation. It's also good for storage. They take up space efficiently in warehouses. This saves room and makes moving them around much simpler. It even helps lower logistics costs.
Won't Slip Easily
Some of these bags have little bumps on the outside. These bumps make the surface rougher. That's intentional. It helps the bags grip onto each other. When you stack them, they don't slide around. This makes palletizing safer. It also makes transportation more reliable. You don't have to worry about bags falling off the pallet and getting damaged. It reduces accidents, too.
Works Well with Carbon Black
Carbon black is a fine powder. It's dusty, and it can wear things down over time. These bags are made to handle that. They resist the abrasive nature of carbon black. The powder won't wear holes in the bag. The bags also seal tightly. This keeps the carbon black dust inside. Less dust gets into the air in the workplace. That's better for the people working there. It improves air quality and makes the work environment healthier.
Stays Strong During Storage
Even though these bags melt easily when heated, they hold up well when stored. At normal temperatures, they keep their shape and strength. They can handle typical temperature changes in warehouses or during shipping. They don't get soft or weak. This means the carbon black stays safely inside the bags until it's time to use it. You don't have to worry about the bags breaking open while they're stored.
Sizes
Low-Melt Automatic PE Valve Bags for Carbon Black come in different sizes. Most are 35-60cm wide and 45-110cm long. They can hold anywhere from 0.5kg to 25kg of carbon black. Some can even hold up to 50kg. Common sizes you'll see are 50×80cm and 55×90cm.
But there are other sizes too, made for specific needs. For example, smaller bags at 35×45cm are good for small amounts of carbon black-0.5kg to 5kg. These are often used in labs or for small production runs. Larger bags, like 60×110cm, are better for big batches. They hold 25-50kg and work well in large factories.
What's more, you can get custom sizes. Manufacturers will make bags to fit your specific needs. Whether you need a different width, length, or overall size to match your filling machines or storage containers, they can adjust. This ensures the bags fit perfectly into your production or shipping setup.
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