Company logo

Kalrez® Spectrum™ 7375

Sold by DuPont
Polymer Name: Perfluoroelastomer (FFKM)
Physical Form: Seals
Features: Good Compressive Strength, Good Mechanical Properties, Good Retention of Properties
End Uses: Semiconductor Applications, Pump Parts
Color: Black
Start Order
Secure
Order Quantity
Price
Available upon quote
Minimum Order Quantity
Quote required
Lead Time
Quote required
Available Incoterms
Quote required
Regional Availability
Quote required
Similar Products from DuPont NEW

Knowde Enhanced TDS

Expand All

+

Identification & Functionality

Chemical Family
Technologies

Kalrez® Spectrum™ 7375 Features & Benefits

Performance Characteristics

Compression Stress Relaxation (CSR) in Water6 at 225°C (437°F), measured at 90°C (194°F)

DuPont Kalrez Spectrum 7375 Performance Characteristics - 1

Long-Term Compression Set in Hot Air4,8 at 260°C (500°F)

DuPont Kalrez Spectrum 7375 Performance Characteristics - 2

Applications & Uses

Properties

Color
Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Compression Set (70 hrs, 204°C, 400°F)9%ASTM D395B
Compression Set (70 hrs, 260°C, 500°F)15%ASTM D395B
Maximum Application Temperature300 (572)°C (°F)DuPont test methods
ColorBlack--
Tensile Strength at Break16.9 (2447)MPa (psi)ASTM D412
Hardness79Shore AASTM D2240
Elongation at Break128%ASTM D412
100% Modulus10.2 (1473)MPa (psi)ASTM D412
Chemical Resistance
Chemical

Temp.°C (°F)

Kalrez® Spectrum™7375

FFKM Z-1

FFKM A-1

FFKM A-26

FFKM B-3

Steam 225(437) A C N/A A C
Nitric Acid 70% 85(185) A C C B C
Sulfuric Acid 98% 150(302) A A C A A
Butyraldehyde 70(158) A C B B N/A
Maleic Anhydride 100(212) A B N/A A A
Ammonium Hydroxide 100(212) B B A A A

Rating system:

A = 0 - 10% volume swell

B = 11 - 20% volume swell

C = >20% volume swell

N/A = Test Data Not Available

Kalrez® Spectrum™ 7375
DuPont