Choosing The Right Size Rosin Bags for Your Rosin Press Plates

THE PRESS CLUB CHOOSING THE RIGHT SIZE ROSIN BAG FOR YOUR PRESS PLATES
THE PRESS CLUB TIPS AND TRICKS VIVIANE
Viviane Schute        

Cannabis enthusiast and student of the art of solventless extraction

 

Selecting the correct size rosin filter bag for your rosin plates is key to getting the most yield from your cannabis starter material. Even, consistent heat distribution across the source material ensures a thorough and efficient extraction. Choosing a properly-fitted rosin bag to the perimeter of your rosin plates helps improve the even distribution of heat. It also minimizes the rosin’s exposure to heat as it flows through the filter bag and away from the plates during extraction.

The goal in choosing rosin bags to fit your rosin plates is to ensure the filled bags will be completely covered by the plates during extraction, with some gap between the edge of the rosin bag and the edge of the rosin plates. The filter bags should be positioned in the exact center of the rosin plates during extraction. Complete coverage of the source material is critical during extraction, but too much distance between the rosin bag and the edge of the rosin plates is a disadvantage. 

 

If the bags are too small for the rosin plates, the freshly-extracted rosin won’t be able to fully flow to the edges of the plates and away from the heat. 

At the same time, if one side of the rosin bag is too close to the edge of the rosin plates, the source material at that side of the rosin bag won’t be exposed to the same temperatures as the material at the inner portion of the rosin bag.

THE PRESS CLUB CHOOSING THE RIGHT SIZE ROSIN BAGS FOR YOUR PRESS PLATES

The material at the edge will get less heat than the material in the center, which is fully covered by the rosin plates. This is not the ideal situation and should be avoided. 

 

THE PRESS CLUB CHOOSING THE RIGHT SIZE ROSIN BAGS FOR YOUR PRESS PLATES

 

Common Sizes of Rosin Plates and Bags

Rosin plates are commonly manufactured in two sizes: 3x5 inches and 4x7inches. Larger plates are made for commercial extractors producing larger amounts of rosin. 

 

Rosin bags are manufactured in many sizes. For the home extractor, 2x4inches and 3x6inches are common. Larger bags at 5x5inches, 4x7inches, and 2x9inches are made for larger plates. 

Rosin Bag and Rosin Plate Pairings

2x4inch rosin bags <> 3x5 inch rosin plates 
3x6inch rosin bags <> 4x7inch rosin plates

Larger rosin bags should be used with larger plates, bearing in mind that the plates should fully cover the rosin bags. At the same time, pressing a 2x4inch bag with 4x7inch rosin plates creates extra space that the rosin must travel from the filter bag to escape the heat outside of the plates. 

If you're pressing rosin with Bottle Tech Method then the above considerations won't be as impactful, as the rosin bag will only take up a small circular area in the middle of your plates. The rosin bag and rosin press pairings are most important for horizontal rather than vertical bag (Bottle Tech) orientation. 

Conclusion

Intentionally pairing rosin filter bags with rosin press plates helps ensure even heat distribution across source material, while minimizing the distance rosin travels from the filter bag to the outside perimeter of the plates where it can escape the heat. 

The Press Club rosin bags are available in a variety of sizes to meet all your extraction requirements, whether you’re pressing with a hair straightener or a commercial piece of equipment. 

For more reading, find out our tips and tricks for How To Fill Rosin Bags.

Happy Pressing!

THE PRESS CLUB ROSIN STARTER GUIDE

FREQUENTLY ASKED QUESTIONS

What size rosin bag should I use?
The size of rosin bags you should use depends on the size of rosin plates you're using and the amount of cannabis material you're pressing. 2x4inch rosin bags are a good size for 3x5inch rosin plates. 3x5 inch bags are a good size for 4x7 inch rosin plates. These dimensions allow for at least 1 inch space between each side of the rosin bag and the edge of the rosin plates. The size of rosin bag also impacts Platen PSI (pressure) for extraction, which is another important consideration. Learn more about Platen PSI here.

What is the best brand rosin bag?
There are many brands manufacturing rosin bags for extractors, but The Press Club Premium Rosin Bags are the highest performing and most reliable rosin bags in the industry. Handmade with a proprietary stitching, The Press Club bags are designed specifically for rosin extraction and come with a Zero Blowout Guarantee.

How big of a rosin bag do I need?
This size of the rosin plates you're using can help determine how big the rosin bag should be. Allow for at least one inch gap between the sides of the rosin bag and the edges of the rosin plates. 2x4inch rosin bags are a good size for 3x5inch rosin plates. 3x5 inch bags are a good size for 4x7 inch rosin plates. The size of rosin bag also impacts Platen PSI (pressure) for extraction, which is another important consideration. Learn more about Platen PSI here.

Can I make my own rosin bags?
Yes, you can make your own rosin bags. However, rosin bags from The Press Club are a cost efficient way to save yourself a lot of time and deliver consistent, high quality results without the time and equipment needed to manufacture your own rosin bags.

How do I fill a rosin bag?
The key to filling rosin bags with cannabis material is reducing any empty gaps within the cannabis material and between the material and the sides of the rosin bag. The material should be packed tightly and completely filled into the corners of the bag and against the sides of the bag. Once filled, using a pre press mold will help further compact the cannabis material and reduce any small gaps or air pockets.


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