Buna-N Nitrile (NBR) 70 Duro Square O-Ring Cord

Square Buna O-Ring cords are used in sealing applications where a standard circular cross-section O-Ring may not be suitable. The square profile can offer additional sealing surface area in comparison to round O-Rings, making them a suitable choice for certain static (non-moving) applications. They can also be used when the sealing groove has a square or rectangular shape.

A key advantage of O-Ring cord is that it can be cut to the exact length required and joined to make a custom size O-Ring. This is particularly useful for large or non-standard sizes, where a pre-made O-Ring would not be available. However, a joint in an O-Ring is a potential point of failure, so this approach is typically used for less critical applications, or in situations where the operational conditions are not excessively demanding.

Keep in mind that the effectiveness of an O-Ring seal is highly dependent on the application conditions, including pressure, temperature, the type of fluid being sealed, and the mechanical design of the sealing groove. The decision to use a square Buna O-Ring cord, or any other type of O-Ring, should be based on a careful consideration of these factors.

Displaying 1 to 10 (of 10 Products)
Product Image Model Product Name Qty. Price Quantity Discounts
(image for) .103" (3/32 NOM 0.099 Actual) Square Buna 70 O-Ring Cord Stock Black SN70.103
.103" (3/32 NOM 0.099 Actual) Square Buna 70 O-Ring Cord Stock Black
0.099+/-.014" Square Nitrile, Buna-N (NBR): Square Buna-N Nitrile O-Ring Cord is an essential component for many industries, providing a...
In Stock: 2950
$0.600
Add:
Min Qty:  10
Quantity Discounts
10-24$0.600
25-99$0.480
100+$0.420
(image for) .139'' (1/8"Nom, 0.134"Actual) Square Buna-N 70 O-Ring Cord Stock Black SN70.139
.139'' (1/8"Nom, 0.134"Actual) Square Buna-N 70 O-Ring Cord Stock Black
0.134+/-.016" Square Nitrile, Buna-N (NBR): Square Buna-N Nitrile O-Ring Cord is an essential component for many industries, providing a...
In Stock: 1769
$0.780
Add:
Min Qty:  10
Quantity Discounts
10-99$0.780
100-999$0.624
1,000+$0.485
(image for) .210" (3/16" NOM, .203" Actual) Square Nitrile Buna-N 70 O-Ring Cord Stock Black SN70.210
.210" (3/16" NOM, .203" Actual) Square Nitrile Buna-N 70 O-Ring Cord Stock Black
0.203+/-.016" Square Nitrile, Buna-N (NBR): Square Buna-N Nitrile O-Ring Cord is an essential component for many industries, providing a...
In Stock: 287
$1.540
Add:
Quantity Discounts
1-99$1.540
100-999$1.232
1,000+$0.924
(image for) .275" (1/4" NOM) Square Nitrile Buna-N 70 O-Ring Cord Stock Black SN70.275
.275" (1/4" NOM) Square Nitrile Buna-N 70 O-Ring Cord Stock Black
Square Nitrile, Buna-N (NBR): Square Buna-N Nitrile O-Ring Cord is an essential component for many industries, providing a reliable seal for...
In Stock: 1234
$1.310
Add:
Min Qty:  3
Quantity Discounts
3-99$1.310
100-999$1.048
1,000+$0.888
(image for) .313" (5/16" ACT) Square Nitrile Buna-N 70 O-Ring Cord Stock Black SN70.313
.313" (5/16" ACT) Square Nitrile Buna-N 70 O-Ring Cord Stock Black
Square Nitrile, Buna-N (NBR): Square Buna-N Nitrile O-Ring Cord is an essential component for many industries, providing a reliable seal for...
In Stock: 407
$3.440
Add:
Min Qty:  3
Quantity Discounts
3-99$3.440
100-999$2.750
1,000+$1.720
(image for) .375" (3/8" NOM) Square Nitrile Buna-N 70 O-Ring Cord Stock Black SN70.375
.375" (3/8" NOM) Square Nitrile Buna-N 70 O-Ring Cord Stock Black
Square Nitrile, Buna-N (NBR): Square Buna-N Nitrile O-Ring Cord is an essential component for many industries, providing a reliable seal for...
In Stock: 1166
$3.080
Add:
Min Qty:  3
Quantity Discounts
3-99$3.080
100-999$2.464
1,000+$1.540
(image for) .375" (3/8" NOM) Square Buna 70 O-Ring Cord Stock, 10' Piece, Black SN70.375/10
.375" (3/8" NOM) Square Buna 70 O-Ring Cord Stock, 10' Piece, Black
Square Nitrile, Buna-N (NBR): Square Buna-N Nitrile O-Ring Cord is an essential component for many industries, providing a reliable seal for...
In Stock: 2
$35.200
Add:
Quantity Discounts
1-9$35.200
10-99$30.000
100+$25.200
(image for) .500" (1/2" ACT) Square Nitrile Buna-N 70 O-Ring Cord Stock Black SN70.500
.500" (1/2" ACT) Square Nitrile Buna-N 70 O-Ring Cord Stock Black
Square Nitrile, Buna-N (NBR): Square Buna-N Nitrile O-Ring Cord is an essential component for many industries, providing a reliable seal for...
In Stock: 101
$3.260
Add:
Quantity Discounts
1-99$3.260
100-999$2.608
1,000+$2.282
(image for) .562" (9/16" ACT) Square Nitrile Buna-N 70 O-Ring Cord Stock Black SN70.562
.562" (9/16" ACT) Square Nitrile Buna-N 70 O-Ring Cord Stock Black
O-Ring cord stock to make your own O-rings and gaskets Please note: Priced & sold per foot. If ordering more than one foot (of the same size),...
In Stock: 0
$4.580
Add:
Quantity Discounts
1-99$4.580
100-999$3.664
1,000+$3.206
(image for) 1.000" Square Nitrile Buna-N 70 O-Ring Cord Stock Black SN701.000
1.000" Square Nitrile Buna-N 70 O-Ring Cord Stock Black
Square Nitrile, Buna-N (NBR): Square Buna-N Nitrile O-Ring Cord is an essential component for many industries, providing a reliable seal for...
In Stock: 3
$15.080
Add:

Max: 3
Quantity Discounts
1-24$15.080
25-124$11.730
125+$10.560
Displaying 1 to 10 (of 10 Products)
Copyright © 2024 The O-Ring Store, LLC
1847 Wilma Dr, Clarkston WA 99403
Phone 208-413-6377 - Fax 208-413-6719