【CTH】Sealed Container (Catch Clip Type)
This is the consumable product type for standard products. If you are unsure whether the product you are using is a standard product or not, please contact us.
For sizes 18-47H, there is an optional B-type silicone gasket [PQB]. The standard product is of the type that attaches to the container (A-type), and the optional product is of the type that attaches to the lid (B-type). For sizes 565 and above, the standard product comes with a B-type gasket and there is no A-type.
| Container Type | Inner Diameter | Lid Type | Gasket Type | Optional Gasket Type |
| CTH-18 | 180mm | MF-18 | PQA-18 | PQB-18 |
| CTH-21 | 210mm | MF-21 | PQA-21 | PQB-21 |
| CTH-24 | 240mm | MF-24 | PQA-24 | PQB-24 |
| CTH-27 | 270mm | MF-27 | PQA-27 | PQB-27 |
| CTH-30 | 300mm | MF-30 | PQA-30 | PQB-30 |
| CTH-33 | 330mm | MF-33 | PQA-33 | PQB-33 |
| CTH-36 | 360mm | MF-36 | PQA-36 | PQB-36 |
| CTH-39 | 387mm | MF-39 | PQA-39 | PQB-39 |
| CTH-39H | 387mm | MF-39 | PQA-39 | PQB-39 |
| CTH-43 | 430mm | MF-43 | PQA-43 | PQB-43 |
| CTH-43H | 430mm | MF-43 | PQA-43 | PQB-43 |
| CTH-47 | 470mm | MF-47 | PQA-47 | PQB-47 |
| CTH-47H | 470mm | MF-47 | PQA-47 | PQB-47 |
| Container Type | Internal Diameter | Lid Type | Gasket Type | Optional Gasket Type |
| CTH-565 | 565mm | MF-565 | PQB-565 | – |
| CTH-565H | 565mm | MF-565 | PQB-565 | – |
| CTH-635 | 635mm | MF-635 | PQB-635 | – |
| CTH-77 | 770mm | MF-77 | PQB-77 | – |
| CTH-77H | 770mm | MF-77 | PQB-77 | – |
| CTH-100 | 1000mm | MF-100 2-handle type ※ | PQB-100 | – |
| CTH-100H | 1000mm | MF-100 with 2 handles ※ | PQB-100 | – |
※The cover of CTH-100/CTH-100H is a specification with handles attached to MF-100, so it is displayed in this way.
【CTH】Changing the Gasket Material
The gasket material included with the standard product is made of silicone rubber, but it can be changed to the following materials:
CR (chloroprene rubber), EPDM (ethylene propylene rubber), FKM (fluorine rubber), NBR (nitrile rubber), PTFE (fluororesin)
※The color of the gasket is white for PTFE and black for others.
※PTFE gasket is made of resin and has lower airtightness than rubber gasket.＞ Click here for more details about PTFE gasket
| Container Type | CR Gasket Type | EPDM Gasket Type | FKM Gasket Type | NBR Gasket Type | PTFE Gasket Type |
| CTH-18 | PCA-18 | PEA-18 | PFA-18 | PNA-18 | PPA-18 |
| CTH-21 | PCA-21 | PEA-21 | PFA-21 | PNA-21 | PPA-21 |
| CTH-24 | PCA-24 | PEA-24 | PFA-24 | PNA-24 | PPA-24 |
| CTH-27 | PCA-27 | PEA-27 | PFA-27 | PNA-27 | PPA-27 |
| CTH-30 | PCA-30 | PEA-30 | PFA-30 | PNA-30 | PPA-30 |
| CTH-33 | PCA-33 | PEA-33 | PFA-33 | PNA-33 | PPA-33 |
| CTH-36 | PCA-36 | PEA-36 | PFA-36 | PNA-36 | PPA-36 |
| CTH-39 | PCA-39 | PEA-39 | PFA-39 | PNA-39 | PPA-39 |
| CTH-39H | PCA-39 | PEA-39 | PFA-39 | PNA-39 | PPA-39 |
| CTH-43 | PCA-43 | PEA-43 | PFA-43 | PNA-43 | PPA-43 |
| CTH-43H | PCA-43 | PEA-43 | PFA-43 | PNA-43 | PPA-43 |
| CTH-47 | PCA-47 | PEA-47 | PFA-47 | PNA-47 | PPA-47 |
| CTH-47H | PCA-47 | PEA-47 | PFA-47 | PNA-47 | PPA-47 |
| Container Type | CR Gasket Type | EPDM Gasket Type | FKM Gasket Type | NBR Gasket Type | PTFE Gasket Type |
| CTH-565 | PCB-565 | PEB-565 | PFB-565 | PNB-565 | PPA-565 |
| CTH-565H | PCB-565 | PEB-565 | PFB-565 | PNB-565 | PPA-565 |
| CTH-635 | PCB-635 | PEB-635 | PFB-635 | PNB-635 | PPA-635 |
| CTH-77 | PCB-77 | PEB-77 | PFB-77 | PNB-77 | PPA-77 |
| CTH-77H | PCB-77 | PEB-77 | PFB-77 | PNB-77 | PPA-77 |
| CTH-100 | PCB-100 | PEB-100 | PFB-100 | PNB-100 | PPA-100 |
| CTH-100H | PCB-100 | PEB-100 | PFB-100 | PNB-100 | PPA-100 |
※Option Gaskets (Type B) with different materials for CTH-18~47H sizes are also available.
【CTH】Changing the Gasket Color
The standard silicone gasket included with the product is milky white, but can be changed to red, blue, or green.
Only the type (A) that attaches to the container can be made of silicone rubber.
＞ Click here for more details about Type A Colored Silicone Gaskets
| Container type | Red Gasket type | Blue Gasket type | Green Gasket type |
| CTH-18 | PQA-RE-18 | PQA-BL-18 | PQA-GR-18 |
| CTH-21 | PQA-RE-21 | PQA-BL-21 | PQA-GR-21 |
| CTH-24 | PQA-RE-24 | PQA-BL-24 | PQA-GR-24 |
| CTH-27 | PQA-RE-27 | PQA-BL-27 | PQA-GR-27 |
| CTH-30 | PQA-RE-30 | PQA-BL-30 | PQA-GR-30 |
| CTH-33 | PQA-RE-33 | PQA-BL-33 | PQA-GR-33 |
| CTH-36 | PQA-RE-36 | PQA-BL-36 | PQA-GR-36 |
| CTH-39 | PQA-RE-39 | PQA-BL-39 | PQA-GR-39 |
| CTH-39H | PQA-RE-39 | PQA-BL-39 | PQA-GR-39 |
| CTH-43 | PQA-RE-43 | PQA-BL-43 | PQA-GR-43 |
| CTH-43H | PQA-RE-43 | PQA-BL-43 | PQA-GR-43 |
| CTH-47 | PQA-RE-47 | PQA-BL-47 | PQA-GR-47 |
| CTH-47H | PQA-RE-47 | PQA-BL-47 | PQA-GR-47 |
If you have any questions, please feel free to contact us.