Fast-Setting Casting Compounds
Create detailed rubber shapes that are ready to use in fifteen minutes or less. Unlike traditional casting compounds, which can take up to 24 hours to set, these compounds harden after two minutes, and can be removed from molds within fifteen. Use them to make your own prototypes, molds, and linings.
Combine acrylic or silicone with a 69° cure temperature compounds in different ratios to adjust the consistency from thin to thick. Thin mixtures are easier to pour and better for filling small crevices.
Silicone with a 70° cure temperature compounds are a putty that you can mix with your hands and form into any shape. Press an object into these compounds to create a mold for casting duplicates. They do not shrink as they dry, so textures and other fine details are captured faithfully. Soft silicone is more flexible and easier to peel off of molds than firm silicone, especially when making complex shapes. Firm silicone holds its shape better than soft silicone, so small ridges and channels are less likely to collapse or deform while making molds.
Compounds with dispenser gun come ready to use—no mixing required—and won’t leave a mess.
Hardness | Time to Harden | Time to Cure | Time to Demold | Cure Temperature, °F | Max. Temperature, °F | Shrinkage | Color | Mixing Required | Volume, cu. in. | Weight, lbs. | Each | |
Silicone | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Soft | ||||||||||||
Durometer 27A | 2 min. | 15 min. | 15 min. | 70° | 650° | 0% | Light Blue | Yes | 4 | 0.2 | 0000000 | 000000 |
Durometer 27A | 2 min. | 15 min. | 15 min. | 70° | 650° | 0% | Light Blue | Yes | 46 | 2.2 | 0000000 | 000000 |
Durometer 30A | 2 min. | 10 min. | 10 min. | 69° | 250° | 0% | Green | Yes | 8 | 0.5 | 0000000 | 00000 |
Durometer 30A | 2 min. | 10 min. | 10 min. | 69° | 250° | 0% | Green | Yes | 23 | 1.1 | 0000000 | 000000 |
Firm | ||||||||||||
Durometer 40A | 2 min. | 15 min. | 15 min. | 70° | 600° | 0% | Green | Yes | 4 | 0.2 | 0000000 | 00000 |
Durometer 40A | 2 min. | 15 min. | 15 min. | 70° | 600° | 0% | Green | Yes | 46 | 2.2 | 0000000 | 000000 |
Durometer 50A | 2 min. | 10 min. | 10 min. | 69° | 250° | 0% | Light Blue | Yes | 13 | 0.8 | 0000000 | 000000 |
Durometer 50A | 2 min. | 10 min. | 10 min. | 69° | 250° | 0% | Light Blue | Yes | 32 | 1.75 | 0000000 | 000000 |
Hardness Rating | Hardness | Time to Harden | Time to Cure | Time to Demold | Color | Cure Temperature, °F | Max. Temperature, °F | Shrinkage | Mixing Required | Weight, lbs. | Includes | Each | |
Silicone | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Soft | Durometer 30A | 2 min. | 10 min. | 10 min. | Green | 69° | 250° | 0% | No | 4 | Carrying Case, Six each 3 cu. in. Disposable Cartridges | 0000000 | 0000000 |
Soft Firm | Durometer 30A Durometer 55A | 2 min. 2 min. | 10 min. 6 min. | 10 min. 6 min. | Green Orange | 69° | 250° | 0% | No | 4 | Carrying Case, Six each 3 cu. in. Disposable Cartridges | 0000000 | 000000 |
Firm | Durometer 55A | 2 min. | 6 min. | 6 min. | Orange | 69° | 250° | 0% | No | 4 | 15 Disposable Nozzles, 2 Snap-On Nozzles, Carrying Case, Six each 3 cu. in. Disposable Cartridges | 0000000 | 000000 |
Casting Compounds
Capture intricate details when creating prototypes, molds, and linings with these easy-to-mix two-part compounds. This urethane is water and abrasion resistant.
View our selection of release agents. View additional information about the hardness of these materials.
Hardness | Time to Harden | Time to Cure | Time to Demold | Cure Temperature, °F | Max. Temperature, °F | Shrinkage | Color | Mixing Required | Volume, cu. in. | Weight, lbs. | Each | |
Urethane | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Soft | ||||||||||||
Durometer 20A | 15 min. | 168 hrs. | 5 hrs. | 77° | 180° | 0.1% | Black | Yes | 25 | 1 | 0000000 | 000000 |
Durometer 20A | 15 min. | 168 hrs. | 5 hrs. | 77° | 180° | 0.1% | Black | Yes | 250 | 10 | 0000000 | 000000 |
Firm | ||||||||||||
Durometer 40A | 15 min. | 168 hrs. | 5 hrs. | 77° | 180° | 0.1% | Black | Yes | 25 | 1 | 0000000 | 00000 |
Durometer 40A | 15 min. | 168 hrs. | 5 hrs. | 77° | 180° | 0.1% | Black | Yes | 250 | 10 | 0000000 | 000000 |
Durometer 60A | 15 min. | 168 hrs. | 2 hrs. | 77° | 180° | 0.1% | Black | Yes | 25 | 1 | 0000000 | 00000 |
Durometer 60A | 15 min. | 168 hrs. | 2 hrs. | 77° | 180° | 0.1% | Black | Yes | 250 | 10 | 0000000 | 000000 |
Hard | ||||||||||||
Durometer 80A | 15 min. | 168 hrs. | 3 hrs. | 77° | 180° | 0.1% | Black | Yes | 6 | 1/4 | 0000000 | 00000 |
Durometer 80A | 15 min. | 168 hrs. | 3 hrs. | 77° | 180° | 0.1% | Black | Yes | 25 | 1 | 0000000 | 00000 |
Durometer 80A | 15 min. | 168 hrs. | 3 hrs. | 77° | 180° | 0.1% | Black | Yes | 250 | 10 | 0000000 | 000000 |
Durometer 94A | 15 min. | 168 hrs. | 2 hrs. | 77° | 180° | 0.1% | Black | Yes | 25 | 1 | 0000000 | 00000 |
Durometer 94A | 15 min. | 168 hrs. | 2 hrs. | 77° | 180° | 0.1% | Black | Yes | 250 | 10 | 0000000 | 000000 |
Durometer 60D | 15 min. | 168 hrs. | 2 hrs. | 77° | 180° | 0.1% | Black | Yes | 25 | 1 | 0000000 | 00000 |
Durometer 60D | 15 min. | 168 hrs. | 2 hrs. | 77° | 180° | 0.1% | Black | Yes | 250 | 10 | 0000000 | 000000 |
Durometer 75D | 15 min. | 168 hrs. | 2 hrs. | 77° | 180° | 0.1% | Black | Yes | 25 | 1 | 00000000 | 00000 |
Durometer 75D | 15 min. | 168 hrs. | 2 hrs. | 77° | 180° | 0.1% | Black | Yes | 250 | 10 | 00000000 | 000000 |
Durometer 85D | 5 min. | 2 hrs. | 1.5 hrs. | 77° | 180° | 0.1% | Green | Yes | 80 | 5 | 000000 | 00000 |
Durometer 85D | 5 min. | 2 hrs. | 1.5 hrs. | 77° | 180° | 0.1% | Green | Yes | 320 | 20 | 000000 | 000000 |
See-Through Casting Compounds
Create transparent molds to monitor fill levels, differentiate parts at a glance, and avoid damaging parts when cutting the mold away. These casting compounds are two parts that activate when mixed.
Urethane compounds are tougher than silicone compounds, so your molds will last longer. Although not required, curing urethane molds inside a vacuum chamber improves their clarity. By removing trapped air bubbles, the chamber prevents the finished mold from looking speckled.
Silicone compounds handle higher temperatures than urethane compounds—up to 570° F. Silicone also cures faster than urethane, and it won't shrink as it cures, which means you won't need to guess at the final size of your mold. Because silicone compounds trap air bubbles when mixed, they must be cured inside a vacuum chamber. The chamber removes the trapped air bubbles, strengthens the mold, and improves its clarity.
View our selection of release agents. View additional information about the hardness of these materials.
Hardness | Time to Harden | Time to Cure | Time to Demold | Max. Temperature, °F | Shrinkage | Color | Mixing Required | Volume, cu. in. | Weight, lbs. | Each | |
Urethane | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Firm | |||||||||||
Durometer 40A | 6 min. | 144 hrs. @ 77° F | 2 hrs. @ 77° F | 180° | 0.8% | Clear | Yes | 25 | 1 | 00000000 | 000000 |
Durometer 60A | 6 min. | 144 hrs. @ 77° F | 2 hrs. @ 77° F | 180° | 0.8% | Clear | Yes | 25 | 1 | 00000000 | 00000 |
Hard | |||||||||||
Durometer 80A | 6 min. | 144 hrs. @ 77° F | 2 hrs. @ 77° F | 180° | 0.8% | Clear | Yes | 25 | 1 | 0000000 | 00000 |
Durometer 75D | 6 min. | 144 hrs. @ 77° F | 2 hrs. @ 77° F | 180° | 0.8% | Clear | Yes | 25 | 1 | 0000000 | 00000 |
Silicone Rubber | |||||||||||
Firm | |||||||||||
Durometer 40A | 10 min. | 1.5 hrs. @ 77° F, 30 min. @ 120° F | 1.5 hrs. @ 77° F, 30 min. @ 120° F | 570° | 0% | Blue | Yes | 57 | 2.2 | 0000000 | 000000 |
Easy-to-Work Casting Compounds
Combine the liquid components to form a putty that can be molded into or around any shape. Use these compounds to capture intricate details when creating prototypes, molds, and linings.
View our selection of release agents. View additional information about the hardness of these materials.
Hardness | Time to Harden | Time to Cure | Time to Demold | Cure Temperature, °F | Max. Temperature, °F | Shrinkage | Color | Mixing Required | Volume, cu. in. | Weight, lbs. | Each | |
Urethane | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Firm | ||||||||||||
Durometer 60A | 15 min. | 168 hrs. | 3 hrs. | 75° | 180° | Not Rated | Dark Gray | Yes | 25 | 1 | 0000000 | 000000 |
Durometer 60A | 15 min. | 168 hrs. | 3 hrs. | 75° | 180° | Not Rated | Dark Gray | Yes | 100 | 4 | 0000000 | 000000 |
Hard | ||||||||||||
Durometer 85A | 15 min. | 168 hrs. | 3 hrs. | 75° | 180° | Not Rated | Black | Yes | 25 | 1 | 0000000 | 00000 |
Durometer 85A | 15 min. | 168 hrs. | 3 hrs. | 75° | 180° | Not Rated | Black | Yes | 100 | 4 | 0000000 | 000000 |
Durometer 60D | 15 min. | 168 hrs. | 3 hrs. | 75° | 180° | Not Rated | Dark Gray | Yes | 25 | 1 | 00000000 | 00000 |
Durometer 60D | 15 min. | 168 hrs. | 3 hrs. | 75° | 180° | Not Rated | Dark Gray | Yes | 100 | 4 | 00000000 | 000000 |
Fine-Detail Casting Compounds
Replicate even the most complex details when creating prototypes, molds, and linings. This easy-to-mix two-part compound flows smoothly into crevices. Cast up to 1/2" in thickness at a time.
View our selection of release agents. View additional information about the hardness of this material.
Chemical-Resistant Casting Compounds
This silicone compound offers good resistance to acids, oils and salt water. Use it to capture intricate details when creating prototypes, molds, and linings with this easy-to-mix two-part compound. It is a durable and tear-resistant silicone, which easily demolds.
View our selection of release agents. View additional information about the hardness of these materials.
Long-Life Casting Compounds
Create rubber molds that retain their shape for decades—they won’t soften, degrade, or warp, so you can continue to replicate intricate parts. Because these compounds don’t shrink as they cure, they are more accurate and predictable than other compounds.
View our selection of release agents. View additional information about the hardness of these materials.
Hardness | Time to Harden | Time to Cure | Time to Demold | Cure Temperature, °F | Max. Temperature, °F | Shrinkage | Color | Mixing Required | Volume, cu. in. | Weight, lbs. | Each | |
Urethane | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Firm | ||||||||||||
Durometer 45A | 60 min. | 24 hrs. | 16 hrs. | 77° | 200° | 0% | Yellow | Yes | 58 | 2.2 | 0000000 | 0000000 |
Food Industry Casting Compounds
These food-grade compounds comply with FDA 21 CFR. They are easy-to-mix two-part compounds that capture intricate details when creating prototypes, molds, and linings.
View our selection of release agents. View additional information about the hardness of these materials.
Hardness | Time to Harden | Time to Cure | Time to Demold | Cure Temperature, °F | Max. Temperature, °F | Shrinkage | Color | Mixing Required | Specifications Met | Volume, cu. in. | Weight, lbs. | Each | |
Urethane | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Firm | |||||||||||||
Durometer 40A | 8 min. | 12 hrs. | 2 hrs. | 120° | 180° | 5% | White | Yes | FDA Compliant 21 CFR 175.105, FDA Compliant 21 CFR 177.1680 | 25 | 1 | 0000000 | 000000 |
Durometer 60A | 8 min. | 12 hrs. | 2 hrs. | 120° | 180° | 5% | White | Yes | FDA Compliant 21 CFR 175.105, FDA Compliant 21 CFR 177.1680 | 25 | 1 | 0000000 | 00000 |
Durometer 60A | 8 min. | 12 hrs. | 2 hrs. | 120° | 180° | 5% | White | Yes | FDA Compliant 21 CFR 175.105, FDA Compliant 21 CFR 177.1680 | 250 | 10 | 0000000 | 000000 |
Hard | |||||||||||||
Durometer 78A | 4 min. | 12 hrs. | 2 hrs. | 120° | 180° | 5% | White | Yes | FDA Compliant 21 CFR 175.105, FDA Compliant 21 CFR 177.1680 | 25 | 1 | 0000000 | 00000 |
Durometer 88A | 4 min. | 12 hrs. | 2 hrs. | 120° | 180° | 5% | White | Yes | FDA Compliant 21 CFR 175.105, FDA Compliant 21 CFR 177.1680 | 25 | 1 | 0000000 | 00000 |
Durometer 88A | 4 min. | 12 hrs. | 2 hrs. | 120° | 180° | 5% | White | Yes | FDA Compliant 21 CFR 175.105, FDA Compliant 21 CFR 177.1680 | 250 | 10 | 0000000 | 000000 |
Durometer 75D | 5 min. | 12 hrs. | 2 hrs. | 120° | 180° | 5% | White | Yes | FDA Compliant 21 CFR 175.105, FDA Compliant 21 CFR 177.1680 | 25 | 1 | 0000000 | 00000 |
Foam-Forming Flexible 3D Printer Filaments
Create soft, stretchy parts that are lightweight and foam-like, letting air and gas pass through yet repelling water. These filaments are a TPE blend with a filler that dissolves in water, forming hollow spaces that make up to 45% of the part.
These filaments work with fused filament fabrication (FFF) 3D printers. If using a glass print surface, apply an adhesive to prevent the filament from detaching. The recommended print speed is 25 mm/s. Submerge your part in hot water for about 24 hours after printing to dissolve the filler and expose the pores.
For extra support when printing complex designs, use structural support 3D printer filaments. They dissolve in water at the same time as the filler in these filaments.
Tensile strength is the best measure of a filament’s overall strength. Similar to the stress applied on a rope during a game of tug-of-war, it’s the amount of pulling force a material can handle before breaking. A higher rating means a stronger filament. A tensile strength of 5,000 psi and above is considered good; 12,000 psi and above is excellent.
Maximum exposure temperature is the point at which a printed part will begin to deform. Above this temperature, your part will start to lose structural integrity.
Spool | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia., mm | Printing Temp. | For Printer Bed Temp. | Tensile Strength | Hardness | Max. Exposure Temp. | For Min. Nozzle Opening Dia., mm | Dia., mm | Dp., mm | Material | Wt., g | Color | Each | |
TPE Blend | |||||||||||||
1.75 | 220° to 250° C 428° to 482° F | 50° to 70° C 122° to 158° F | 150 psi | Durometer 91A (Medium Soft) | 49° C 120° F | 0.4 | 200 | 55 | Plastic | 500 | Beige | 0000000 | 000000 |
2.85 | 220° to 250° C 428° to 482° F | 50° to 70° C 122° to 158° F | 150 psi | Durometer 91A (Medium Soft) | 49° C 120° F | 0.4 | 200 | 55 | Plastic | 500 | Beige | 0000000 | 00000 |