Product Description
General Purpose Nitrile O-Rings from Datwyler”s Parco Brand: A cost-efficient solution combining US industry know-how with Swiss quality standards.
The Datwyler Advantage:
1. Excellent Physical Properties Our general purpose nitrile O-rings have excellent physical properties. Combine that with batch number and cure date traceability, as well as a wide variety of applications, and rest assured that you’ve made the right choice.
2. Huge Inventory We carry millions of O-rings. We’ve also made it easy to check stock. Sign up for the MyAccount feature on www.datwylersealing.com and you”ll be able to view our inventory 24 hours a day. And if we receive your order before 2:30 p.m. Pacific time, you can receive your parts as soon as the next business day.
3. Value Pricing We put the focus on cost effective solutions without sacrificing our obsession with Swiss quality standards. We work with the best suppliers, buy in large volumes, and sell our parts in standard quantity bags. Those features allow us to provide you with great value nitrile O-rings.
Rely on Datwyler”s Parco O-Rings Datwyler is a leading manufacturer of high-performance seals. We specialize in developing proprietary elastomeric compounds and bonding techniques. Our seals are available in more than 800 compounds. Need a quote for our general purpose nitrile O-rings? Connect with us at (link to request a quote) for a swift, personal response.
Key Benefits
Parco’s 4900-70 nitrile seals are ideal for use in a variety of general-purpose applications. Key features
include the following:
• Outstanding resistance to compression set:
Parco 4900-70 seals had a compression set of only 14 percent after 22 hours at 212°F.
• Wide range of service temperatures:
Parco 4900-70 seals are suitable for applications ranging from -30 to +212°F.
Chemical Resistance
USE WITH
Automatic Transmission Fluid
Crude Oil
Gasoline
Propane
Water
DO NOT USE WITH
Acetone
Carbon Tetrachloride
Ethyl Acetate
Nitromethane
Toluene
Typical Values for Compound
Sec. of Spec | Physical Property | Requirements | Result(a) | ASTM Test Method |
0 | ||||
0 | ± 5 | 0 | D2240 | |
0 | .0(0) | .0(0) | D412 | |
Cert Revised | Y / N | 0 | D412 | |
Previous TR No. | 0 | 0 | D412 | |
0 | ||||
0 | 0 | D573 | ||
0 | 0 | 0 | ||
PHYSICAL PROPERTIES | 0 | Result | ||
0 | 0 | 0 | ||
0 | Original Properties | 0 | 0 | |
Tensile strength, MPa (psi), min. | D395 | |||
0 | Ultimate elongation, pct., min. | Method B | ||
Modulus at 100 pct. elongation, psi | Report | 392 | ||
0 | ||||
0 | Heat Aging | D471 | ||
70 hours at 100°C (212°F) | 0 | 0 | ||
Hardness change, pts., Shore A | ±15 | 5 | ||
Ultimate elongation change, pct., max. | ||||
Z2 | Weight loss, pct. | D471 | ||
0 | 0 | 0 | ||
Compression Set, Solid | 0 | 0 | ||
22 hours at 100°C (212°F) | 0 | 0 | ||
pct. of original deflection, max. | 25 | 12 | ||
Fluid Aging, Water | ||||
EA14 | 70 hours at 100°C (212°F) | D471 | ||
Hardness change, pts., Shore A | ±10 | -3 | ||
Volume change, pct. | ±15 | 4 | ||
0 | 0 | 0 | ||
Fluid Aging, IRM 901 Oil | 0 | 0 | ||
Hardness change, pts., Shore A | ||||
0 | Tensile strength change, pct., max. | -25 | -8 | D1329 |
49002962
Overview
O-Rings
Material
NITRILE BUTADIENE RUBBER – NBR
O-RING SIZE STANDARD
AS568
HARDNESS (SHORE A) +/-5
70
Dash Number
115
Nominal CS
3/32
Inches CS
0.103
Nominal Size O.D.
7/8
Inches O.D.
0.880
Nominal Size I.D.
11/16
Inches I.D.
0.674
Inches I.D. Tol.
0.009
Inches CS Tol.
0.003
COMPOUND COLOUR
BLACK
TEMPERATURE RANGE
-30°F to 212°F
COMPLIANT
SHVC; ROHS3