WESLASTOMER™ DIE CUT GASKET MATERIALS

Taking the guess work out of specifying die cut gaskets.

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Product Overview

Our performance WesLastomer™ solid and sponge gasket materials were designed to keep the material selection process simple.  Select the proper WesLastomer material and then let Modus Advanced die cut your gasket in our AS9100 certified manufacturing facility. 

Key Benefits

Proven Reliability

AS9100 Quality System

Quick-turn Gasket Manufacturing

Ultra-Precise Waterjet Cutting Option

3M Adhesive Backing Available

 

CNC Digital Cutting Neoprene Gaskets - Slowed Down for Viewing!

Product Offerings

WesLastomer Number
Type of Rubber
Specification
Oil Resistance
Electrical Resistivity
Impact Resistance
Abrasion Resistance
Weather Resistance
Datasheet
Grade 2100
Silicone
Commercial
Fair
Good
Fair
Poor
Excellent
Grade 2200
Silicone
Translucent
Fair
Good
Fair
Poor
Excellent
Grade 2300
Fluorosilicone
Performance
Good
Good
Fair
Poor
Excellent
Grade 2400
Silicone
Performance
Fair
Good
Fair
Poor
Excellent
Grade 2800
Fiberglass / Silicone
Performance
Fair
Good
Fair
Poor
Excellent
Grade 3100
Neoprene
Commercial
Good
Very Good
Good
Excellent
Very Good
Grade 3200
Buna-N / Nitrile
Commercial
Excellent
Poor
Good
Good
Poor
Grade 3300
EPDM
Commercial
Poor
Excellent
Good
Good
Very Good
Grade 3400
Fluoroelastomer
Performance
Excellent
Good
Very Good
Good
Very Good
WesLastomer Number
Type of Rubber
Density
Cell Structure
Temperature Range (F)
Impact Resistance
Abrasion Resistance
Weather Resistance
Datasheet
Grade 4300
Silicone
Soft
Closed
-103 to +450
Excellent
Poor
Excellent
Grade 4400
Silicone
Medium
Closed
-103 to +450
Excellent
Poor
Excellent
Grade 4500
Silicone
Firm
Closed
-103 to +450
Excellent
Poor
Excellent
Grade 4600
Silicone
Extra-Firm
Closed
-103 to +450
Excellent
Poor
Excellent
Grade 4800
Neoprene Blend
Soft
Closed
-40 to +250
Excellent
Poor
Fair
Grade 4900
Neoprene Blend
Medium
Closed
-40 to +250
Excellent
Poor
Fair
Grade 5000
Neoprene Blend
Medium-Firm
Closed
-40 to +250
Excellent
Poor
Fair
Grade 5100
Neoprene Blend
Firm
Closed
-40 to +250
Excellent
Poor
Fair
Grade 5200
Neoprene Blend
Extra-Firm
Closed
-40 to +250
Excellent
Poor
Fair
Compound Number
Thickness (inches)
Durometer
Low Temp Brittle Point @ -70 C
Specific Gravity
Tensile Strength (psi)
Elongation (%)
Tear B (ppi)
Flex Resistance (50,000 cycles/inch)
Datasheet
RX-230-6635
.020
50
Pass
1.15
1280
660
240
0.42
RX-230-6636
.032
50
Pass
1.15
1280
660
240
0.42
RX-230-6637
.062
50
Pass
1.15
1280
660
240
0.42
RX-230-6638
.093
50
Pass
1.15
1280
660
240
0.42
RX-230-6639
.125
50
Pass
1.15
1280
660
240
0.42
RX-230-6640
.020
60
Pass
1.19
1280
650
240
0.45
RX-230-6641
.032
60
Pass
1.19
1280
650
240
0.45
RX-230-6642
.062
60
Pass
1.19
1280
650
240
0.45
RX-230-6643
.093
60
Pass
1.19
1280
650
240
0.45
RX-230-6644
.125
60
Pass
1.19
1280
650
240
0.45

Product Resources

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