canyon components logo
BT70BK80-XR-4X77

Image shown is representative and may differ from the actual product in size, proportions, and color shade

AMS 3238
CS

0.157 in

(4.00 mm)

ID

3.031 in

(77.00 mm)

X-Ring dimensional reference

BUTYL BT70BK80 X-Ring, Size: 4X77

Material: BUTYL BT70BK80 X-Ring

Size: Metric 4X77 X-Ring

Part Number: BT70BK80-XR-4X77

BT70BK80

Butyl (Isobutylene, IIR)

70

Shore A

AMS 3238

Color: Black

Detailed Description

BT70BK80-XR-4X77 is a Black, 70 Shore A, Butyl (Isobutylene, IIR) X-Ring. It is a 70 durometer Butyl (Isobutylene, IIR). BT70BK80-XR-4X77 is Metric size 4X77 X-Ring also referred to as 4mm (Cross Sectional Diameter (CS)) x 77mm (Inside Diameter (ID)). Material: 70 Durometer BUTYL BT70BK80 X-Ring Size: Metric 4X77, 4mm CS X 77mm ID (0.157" CS X 3.031" ID)

BT70BK80 typical industry applicationBT70BK80 industry symbol
canyon components logo
Technical SpecificationValue
Compound NumberBT70BK80
MaterialButyl (Isobutylene, IIR)
ColorBlack
Durometer70 Shore A Hardness
High Temperature250 °C / 482 °F
Low Temperature-76 °C / -105 °F
Geometry Specifications
Cross Sectional GeometryX-Ring
Size StandardMetric
Size4X77
Cross Section (CS)4.00 mm / 0.157 in
Inside Diameter (ID)77.00 mm / 3.031 in
X-Ring dimensional reference
AMS 3238

Need a Custom Quote?

We manufacture millions of parts. Get in touch today.

Request a Quote

© 2026 Canyon Components, Inc. All rights reserved. Canyon Components International Corporation • Sitemap

These products may be covered by existing or pending patents. Canyon Components is not liable for the accuracy, currency, or completeness of information herein. All information is subject to change without notice. All trademarks and service marks are the property of their respective owners. Made withgu.dev, Icons by Icons8

* Disclaimer: Kalrez® is a registered trademark of DuPont™. It represents a high-performance perfluoroelastomer used in demanding sealing applications. Please note that the Kalrez® brand is not owned by Canyon Components. All rights and ownership of the Kalrez® trademark are held by DuPont™, ensuring the quality and reliability associated with this renowned brand.