Liquid Silicone Injection Molding Service
Get custom silicone rubber parts in just days.
Liquid Silicone Rubber Injection Molding
Our Liquid Silicone Rubber (LSR) molding service delivers custom prototypes and production parts in ≤15 days. Utilizing cost-effective aluminum molds for rapid turnaround, we maintain an extensive inventory of LSR materials in multiple grades and durometers to meet diverse application needs.
Common applications for silicone rubber molding:
·low-volume production
·bridge tooling
·functional prototyping
Liquid Silicone Rubber Molding Capabilities
We don't have MOQ, only 1pcs is according to high standard to make, we pursuit the product is perfect to every customer, from 1pcs to million,we are glad to witness and grow together with our customers, that make us proud.
Our fundamental design principles for silicone rubber molding incorporate key recommendations to optimize part moldability, improve aesthetic quality, and shorten production cycles.
| US | Metric | |
| Size | 12 in. x 8 in. 4 in. | 304.88mm x 203.2mm x 101.6mm |
| Volume | 13.3 cu. in. | 217,948 cu. mm |
| Depth | No greater than 2 in. from any parting line; deeper parts are limited to a smaller outline | No greater than 50.88mm from any parting line; deeper parts are limited to a smaller outline |
| Projected Mold Area | 48 sq. in. | 30968 sq. mm |
Material Options
·Standard Silicone (30, 40, 50, 60, and 70 durometers)
·Medical-Grade Silicone
·Optical-Grade Silicone
·Fluorosilicone (fuel and oil resistant)
Materials Gallery
View the hundreds of materials available at Protolabs through all of our service lines.
Surface Finish Options
We don't have MOQ, only 1pcs is according to high standard to make, we pursuit the product is perfect to every customer, from 1pcs to million,we are glad to witness and grow together with our customers, that make us proud.
| FINISH | DESCRIPTION |
| PM-F0 | non-cosmetic, finish to Protolabs' discretion |
| PM-F1 | low-cosmetic, most toolmarks removed |
| PM-F2 | non-cosmetic, EDM permissible |
| SPI-C1 | 600 grit stone, 10-12 Ra |
| PM-T1 | SPI-C1 + light bead blast |
| PM-T2 | SPI-C1 + medium bead blast |
| SPI-B1 | 600 grit paper, 2-3 Ra |
| SPI-A2 | grade #2 diamond buff, 1-2 Ra |
Quick links
Technical video
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Manufacturing on Demand
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