Pack of 50pcs, O-Ring 4.2mm ID x 1.9mm EPDM 70 ShA Black -50°C to +150°C Peroxide Cured WRAS FDA 3-A

Ethylene Propylene Diene Monomer (EPDM) is a synthetic rubber polymer composed of ethylene, propylene, and a diene component, known for its excellent resistance to extreme weather conditions, ozone, UV radiation, and a broad range of chemicals. EPDM offers remarkable durability, flexibility, and superior sealing performance, making it an ideal choice for demanding applications exposed to environmental stress.

Dimensions:

4.2mm ID x 1.9mm CS
ID Tolerance: ±0.14mm
CS Tolerance: ±0.08mm

Material Properties:

Hardness: 70 ShA
Colour: Black
Temperature Range: -50°C to +150°C

Approvals:

WRAS 
FDA 
USP Class VI 
3-A 
DBL6038.15 
DVGW W 270 
DVGW W 534 
EN681-1 WB 
EN681-1 WD 
UL778

Features:

Peroxide Cured

Key Benefits:

Excellent Weathering and Ozone Resistance
Good Chemical Resistance
High Temperature Resistance
Low Temperature Flexibility
Excellent Water Resistance
Non-Toxic and FDA Compliance
Good Electrical Insulation
Durability and Longevity

Chemical Resistance:

Inorganic Gases
Inorganic Salts and Solutions
Outstanding resistance to ozone, UV radiation, and weathering.
Good resistance to acids, alkalis, and many industrial chemicals, including Skydrol.
Glycol based brake fluid (DOT 3 and DOT 4)
Silicone based brake fluid (DOT 5)

Not Compatible With:

Petroleum oil/grease and Gasoline
Hydrochloric Acid, Sulfuric Acid
Aromatic and chlorinated hydrocarbons.
Strong oxidising agents.
High concentrations of acids at elevated temperatures.

Applications:

Automotive Industry
Plumbing and HVAC
Chemical Processing
Food and Beverage Processing
Pharmaceutical Industry
Solar and Outdoor Applications
Electrical and Electronics
Marine Industry
Agriculture