Bulb Trim-EC28-975-EM
EC28-975-EM
Request for a Quote & Information

Product Overview & Description
EC28-975-EM by Elasto Proxy on Sketchfab
EC28-975-EM is an EPDM bulb trim seal with a sponge rubber bulb on the left and a solid rubber retainer on the right. The bulb is rounded and includes a lip on its bottom-left section. The height of the bulb is 19mm and the width of the sponge rubber walls is 2 mm. The distance from the bottom of the lip to the top of the trim is 22 mm. The trim, or retainer, section is 13 mm wide and 17 mm tall. Use this trim seal with doors and hatches with rounded corners.
Technical Drawing & Specification

MATERIAL: EPDM
WIDTH: As shown
HEIGHT: As shown
TOLERANCE: RMA-E2
SCALE: Not to scale
COLOR: Black
DURO: Dual Duro
Bending Radius & Additional Information

EC28-975 is a co-extruded trim seal with two different durometers, or hardness, on the Shore A scale. The bulb is located on the left and made of EPDM sponge rubber. The trim is located on the right and made of EPDM solid rubber. The bulb compresses to provide the sealing actin and the trim is designed to mount on a flange. This retainer section contains integral tongues for gripping and a metal wire that provides added impact resistance. EPDM provides good environmental resistance.
Related Articles & Blogs
Silicone Bulb Trim from Elasto Proxy
- Steve Melito
- 11 August 2025
- Bulb Trim Seals / Engineered Rubber Products / Engineering
- 0 Comments
Bulb Trim Guide
- Steve Melito
- 20 January 2024
- Bulb Trim Seals / News
- 0 Comments
Bulb Trim Sizing
- Steve Melito
- 4 June 2021
- Bulb Trim Seals / Customer Support / Engineering / Marketing / Sales
- 0 Comments
Service Truck Body Solutions
- Steve Melito
- 14 May 2021
- Bulb Trim Seals / Bumpers / Heavy Equipment / Rubber Floor Matting / Videos
- 0 Comments
Bulb Trim Selection
- Steve Melito
- 28 September 2020
- Aerospace / Bulb Trim Seals / Engineering / Heavy Equipment
- 0 Comments
Trim Seal Installation: Five Steps to Install Trim Seals
- Steve Melito
- 26 September 2020
- Aerospace / Bulb Trim Seals / Heavy Equipment / Operations
- 0 Comments





