--- title: Ring Forms and Castable Molds for Mounting url: https://www.buehler.com/products/mounting/mounting-consumables/ring-forms-and-castable-molds-for-mounting/ date: 2024-03-04T15:53:01+00:00 modified: 2025-01-30T21:54:43+00:00 lang: en_US --- # Ring Forms and Castable Molds for Mounting # Ring Forms and Castable Molds for Mounting ![Ring Forms and Castable Mounting Molds](https://buehler.com/wp-content/uploads/2023/12/Castable-Molds.png) *Ring Forms and Castable Mounting Molds for Mounting* ![208151100 Ring Forms Plastic 1in](https://buehler.com/wp-content/uploads/2021/10/20-8151-100_ring-forms-plastic-1odx34.jpg) *Plastic Ring Forms* ![208282 Disposable Cold Mount Cups 1.5in](https://buehler.com/wp-content/uploads/2021/10/20-8282_disposable-cold-mt-cups1-12.jpg) *Disposable Mounting Cups* ![209184 SamplKup 2in 12pcs](https://buehler.com/wp-content/uploads/2021/10/20-9184_samplkup-2-12-pcs.jpg) *SamplKup* ## Make your Mounting Process Easier and More Efficient ### Ring Forms and Castable Molds Buehler offers a variety of Ring forms and castable molds for mounting, and can be used with castable systems to help you optimize your mounting process. Available in round size ranges 1-2in and 25-50mm, as well as larger rectangular molds, we have the size you need for your process. ##### High Quality Mounts SamplKups and EPDM molds create high quality mounts with easy removal, all designed to help simplify, improve, and customize your mounting processes. [Shop Now](https://shop.buehler.com/castable-mounting-molds) ### Disposable Mounting Cups Best for mounting low exotherm castable systems like [EpoxyCure® 2](https://buehler.com/products/mounting/mounting-consumables/epoxy-mounting-systems/) and [EpoThin® 2](https://buehler.com/products/mounting/mounting-consumables/epoxy-mounting-systems/). #### SamplKup® ![209184 SamplKup 2in 12pcs](https://buehler.com/wp-content/uploads/2021/10/20-9184_samplkup-2-12-pcs.jpg) Reusable with best dimensional stability and suitable for use with all Buehler castable systems. [Shop SamplKup](https://shop.buehler.com/castable-mounting-molds#/specFilters=15m!#-!270) #### Plastic Ring Forms ![208151100 Ring Forms Plastic 1in](https://buehler.com/wp-content/uploads/2021/10/20-8151-100_ring-forms-plastic-1odx34.jpg) Provides a stronger fit of the castable mount to the sample holder for polishing in central force mode. [Shop Ring Forms](https://shop.buehler.com/castable-mounting-molds#/specFilters=15m!#-!266) #### EPDM Round & Rectangular Molds ![207186 EPDM Rectangle Mounting Cups 70x40x22mm](https://buehler.com/wp-content/uploads/2021/10/20-7186_epdm-rectangle-mounting-cups-70x40x22-mm.jpg) Suitable for use with all Buehler castable systems. Best choice for large, rectangular mounts and for curing mounts in ovens. [Shop EPDM & Rectangular Molds](https://shop.buehler.com/castable-mounting-molds#/specFilters=15m!#-!258) ##### Ordering | Ring Forms & Castable Molds | | | --- | --- | | Disposable Mounting Cups | | | Best for mounting low exotherm castable systems like EpoxiCure® 2 and EpoThin® 2. Also great for specimen storage (Qty 50) | | | Part Number | Size | | [20-8280](https://shop.buehler.com/disposable-cold-mt-cups-1) | 1in x 1in H | | [20-8281](https://shop.buehler.com/disposable-cold-mt-cups1-14) | 1.25in x 1in H | | [20-8282](https://shop.buehler.com/disposable-cold-mt-cups1-12) | 1.5in x 1in H | | Plastic Ring Forms | | | Provides a stronger fit of the castable mount to the sample holder for polishing in central force mode. (Qty 100) \*Not recommended for acrylics | | | Part Number | Size | | [20-8151-100](https://shop.buehler.com/ring-forms-plastic-1odx34) | 1in | | [20-8152-100](https://shop.buehler.com/ring-forms-plastic-1-14-in) | 1.25in | | [20-8153-100](https://shop.buehler.com/ring-forms-plastic-1-12-in) | 1.5in | | [20-8154-100](https://shop.buehler.com/ring-forms-plastic-2-inch-100) | 2in | | SamplKup® | | | Reusable with best dimensional stability and suitable for use with all Buehler castable systems. (Qty 12) \*not for use in ovens. | | | Part Number | Size | | [20-9178](https://shop.buehler.com/samplkup-1-12-pcs) | 1in x 1in H | | [20-8180](https://shop.buehler.com/samplkup-125-12-pcs) | 1.25in x 1in H | | [20-9181](https://shop.buehler.com/samplkup-15-12-pcs) | 1.5in x 1in H | | [20-9184](https://shop.buehler.com/samplkup-2-12-pcs) | 2in x 1in H | | [20-9177](https://shop.buehler.com/samplkup-25mm-12-pcs) | 25mm x 1in H | | [20-9179](https://shop.buehler.com/samplkup-30mm-12-pcs) | 30mm x 1in H | | [20-9182](https://shop.buehler.com/samplkup-40mm-12-pcs) | 40mm x 1in H | | [20-9183](https://shop.buehler.com/samplkup-50mm-12-pcs) | 50mm x 1in H | | EPDM Round & Rectangular Molds | | | Suitable for use with all Buehler castable systems. Best choice for large, rectangular mounts and for curing mounts in ovens. | | | Part Number | Size | | EPDM Round Molds (Qty 5) | | | [20-8181](https://shop.buehler.com/rubber-mounting-cups-1-in) | 1in dia x 5/8in H | | [20-8182](https://shop.buehler.com/rubber-mounting-cups-1-14-in) | 1.25in dia x 5/8in H | | [20-8183](https://shop.buehler.com/rubber-mounting-cups-1-12-in) | 1.5in dia x 5/8in H | | [20-8184](https://shop.buehler.com/rubber-mounting-cups-2-in) | 2in dia x 1in H | | [20-7183](https://shop.buehler.com/epdm-mounting-cups-40mm-5pk) | 40mm dia x 31mm H | | [20-7184](https://shop.buehler.com/epdm-mounting-cups-50mm-5pk) | 50mm dia x 31mm H | | EPDM Rectangular Molds (Qty 1) | | | [20-7185](https://shop.buehler.com/epdm-rectangle-mounting-cups-55x30x22-mm) | 2.2 x 1.2 x 0.9in \[55 x 30 x 22mm\] | | [20-6185](https://shop.buehler.com/epdm-mntg-cup-25-x-14-x-18) | 2.5 x 1.4 x 1.8in \[63 x 25 x 46mm\] | | [20-7186](https://shop.buehler.com/epdm-rectangle-mounting-cups-70x40x22-mm) | 2.8 x 1.6 x 0.9in \[70 x 40 x 22mm\] | | [20-6186](https://shop.buehler.com/epdm-mounting-cup-6-x-4-x-2) | 6 x 4 x 2in \[150 x 100 x 50mm\] | | [20-6187](https://shop.buehler.com/epdm-mounting-cup-6x3x1) | 6 x 3 x 1in \[150 x 76 x 25mm\] | ##### Related Consumables [![Epoxy Mounting Systems](https://buehler.com/wp-content/uploads/2023/12/Epoxy-Mounting-Systems.png)](https://buehler.com/products/mounting/mounting-consumables/epoxy-mounting-systems/) [Epoxy Mounting Systems](https://buehler.com/products/mounting/mounting-consumables/epoxy-mounting-systems/) [![Acrylic Mounting Systems](https://buehler.com/wp-content/uploads/2023/12/Acrylic-Mounting-System.png)](https://buehler.com/products/mounting/mounting-consumables/acrylic-mounting-systems/) [Acrylic Mounting Systems](https://buehler.com/products/mounting/mounting-consumables/acrylic-mounting-systems/) [![Release Agents and Powders](https://buehler.com/wp-content/uploads/2023/12/Release-Agent.png)](https://buehler.com/products/mounting/mounting-consumables/mount-and-mold-release-agents/) [Mount and Mold Release Agents and Powders](https://buehler.com/products/mounting/mounting-consumables/mount-and-mold-release-agents/) [![Support Clips, Additives, and Mixing Cups](https://buehler.com/wp-content/uploads/2023/12/Cups-and-Additives.png)](https://buehler.com/products/mounting/mounting-consumables/support-clips-additives-and-mixing-cups-for-mounting/) [Support Clips and Additives](https://buehler.com/products/mounting/mounting-consumables/support-clips-additives-and-mixing-cups-for-mounting/) ##### Product Literature [![Epoxy Mounting Guide](https://buehler.com/wp-content/uploads/2023/02/Epoxy-Mounting-Guide.jpg)](https://buehler.com/assets/Brochures/English/Mounting/Epoxy_Mounting_Guide_Web.pdf) [Epoxy Mounting Guide](https://buehler.com/assets/Brochures/English/Mounting/Epoxy_Mounting_Guide_Web.pdf) [![Acrylic Mounting Guide](https://buehler.com/wp-content/uploads/2023/02/Acrylic-Mounting-Guide.jpg)](https://buehler.com/assets/Brochures/English/Mounting/Acrylic_Mounting_Guide_Web.pdf) [Acrylic Mounting Guide](https://buehler.com/assets/Brochures/English/Mounting/Acrylic_Mounting_Guide_Web.pdf) [![Buehler Product Catalog](https://buehler.com/wp-content/uploads/2023/10/Buehler-Product-Catalog_default_600x782.jpg)](https://en.calameo.com/buehler/read/00639329103cfc405df2c) [Buehler Product Catalog](https://en.calameo.com/buehler/read/00639329103cfc405df2c) ###### Frequently Asked Questions Are SamplKups oven safe? SamplKups are not for use in ovens. We recommend using EPDM round & rectangular molds for curing mounts in ovens. Are Plastic Ring Forms appropriate for any castable mounts? Plastic Ring Forms are designed for castable mounts, but they are not recommended for acrylics systems. SamplKups are not for use in ovens. We recommend using EPDM round & rectangular molds for curing mounts in ovens. Plastic Ring Forms are designed for castable mounts, but they are not recommended for acrylics systems.