Search Products
loading...
PFAS & Material Alternatives
EPSI Ready Kits

Explore ready-to-use masking and racking solutions designed to help your team get organized, protected, and production-ready faster.

  • Wheel masking kits
  • Wheel hook systems
  • Cross N Click modular racking
Explore Kits Ask EPSI
Future-Ready Material Solutions
Compliance + Performance

Looking for practical alternatives for industrial finishing? EPSI helps customers move forward with masking solutions engineered for heat, protection, reusability, and process consistency.

  • Polyester tapes & discs
  • Silicone caps, plugs, tubing & sheeting
  • EPDM masking options
  • Polyimide high-temp masking
Explore Alternatives Custom Solutions
Technical Guide

Download the latest EPSI technical guide and product reference materials.

Download Technical Guide Guide Espanol
Need Help Choosing?

Connect with EPSI for help selecting masking, plugs, caps, hooks, racking, and finishing solutions for your application.

  • Powder coating
  • Plating and anodizing
  • Industrial finishing support
Contact EPSI Call 866-275-3774
Connect with EPSI
Follow EPSI for product updates and finishing insights.
Accepted Payments
Secure checkout with major card providers.

EC Series - EPDM Caps

  • Can be Used as Both Cap and Plug
  • EPDM Caps are Reusable and have Excellent Chemical Resistance
  • Economical enough to be used one time in high temperature applications, or where the cap will be used during shipping after coating process.

Product Description:

Our EPDM Cap (EC) product line is the industry standard for low cost masking applications. Their versatile nature allows them to fit over extrusions, threaded studs, PEMS and dowels, as well as be used as a plug for tapped holes, irregular contours and threaded holes. Our high temperature EPDM is specially formulated to resist chemical attack and ensure reusability and economy during masking.

Helpful Hints:

  • When sizing parts as a cap, the ID of the cap should be 2 - 3% smaller than the stud diameter.
  • To ensure easy removal, select a cap length that is slightly longer than the masking length of the stud. This is especially important if the cap ID is less than 4% of the stud diameter.
  • When sizing parts as a plug, the OD should be at least 6% larger than the hole diameter.
  • If used to cover tube ends in powder coating, a small slit in the top of the cap will prevent blowoff. (See EZY™ Caps.)
Filter
Part Number COLOR ID - IN OD - IN IL - IN ID - MM OD - MM IL - MM PCS/BAG Unit Purchase
0.040 (1.0mm) ID X 0.130" (3."
EC 0040X0750
BLACK 0.040 0.130 0.750 1.0 3.3 19.1 1000
$38.73/BAG
In Stock
0.062 (1.6mm) ID X 0.152" (3."
EC 0062X0750
BLACK 0.062 0.152 0.750 1.6 3.9 19.1 1000
$41.78/BAG
Ships fast!! Ships fast!!
0.100 (2.5mm) ID X 0.200" (5."
EC 0100X1000
BLACK 0.100 0.200 1.000 2.5 5.1 25.4 1000
$55.83/BAG
Ships fast!! Ships fast!!
0.109 (2.8mm) ID X 0.229" (5."
EC 0109X0500
BLACK 0.109 0.229 0.500 2.8 5.8 12.7 1000
$48.45/BAG
In Stock
0.109 (2.8mm) ID X 0.209" (5."
EC 0109X0750
BLACK 0.109 0.209 0.750 2.8 5.3 19.1 1000
$48.10/BAG
In Stock
0.125 (3.2mm) ID X 0.225" (5."
EC 0125X0500
BLACK 0.125 0.225 0.500 3.1 5.7 12.7 1000
$41.19/BAG
Ships fast!! Ships fast!!
0.125 (3.2mm) ID X 0.225" (5."
EC 0125X1000
BLACK 0.125 0.225 1.000 3.1 5.7 25.4 1000
$57.27/BAG
Ships fast!! Ships fast!!
0.140 (3.6mm) ID X 0.260" (6."
EC 0140X0250
$43.53/BAG
In Stock
0.140 (3.6mm) ID X 0.260" (6."
EC 0140X1000
BLACK 0.140 0.260 1.000 3.6 6.6 25.4 1000
$62.49/BAG
In Stock
0.148 (3.8mm) ID X 0.238" (6."
EC 0148X1000
BLACK 0.148 0.268 1.000 3.7 6.8 25.4 1000
$67.83/BAG
In Stock
0.156 (4.0mm) ID X 0.276" (7."
EC 0156X0500
BLACK 0.156 0.276 0.500 4.0 7.0 12.7 1000
$52.31/BAG
In Stock
0.156 (4.0mm) ID X 0.276" (7."
EC 0156X1000
BLACK 0.156 0.276 1.000 4.0 7.0 25.4 1000
$69.65/BAG
Ships fast!! Ships fast!!
0.172 (4.4mm) ID X 0.292" (7."
EC 0172X0500
BLACK 0.172 0.292 0.500 4.4 7.4 12.7 1000
$56.17/BAG
In Stock
0.172 (4.4mm) ID X 0.292" (7."
EC 0172X1000
BLACK 0.172 0.292 1.000 4.4 7.4 25.4 1000
$71.63/BAG
Ships fast!! Ships fast!!
0.180 (4.6mm) ID X 0.270" (6."
EC 0180X1000
BLACK 0.180 0.300 1.000 4.6 7.6 25.4 1000
$74.43/BAG
In Stock
0.187 (4.7mm) ID X 0.307" (7."
EC 0187X0500
BLACK 0.187 0.307 0.500 4.7 7.8 12.7 1000
$58.05/BAG
In Stock
0.187 (4.7mm) ID X 0.307" (7."
EC 0187X1000
BLACK 0.187 0.307 1.000 4.7 7.8 25.4 1000
$74.88/BAG
Ships fast!! Ships fast!!
0.197 (5.0mm) ID X 0.317" (8."
EC 0197X0500
BLACK 0.197 0.317 0.500 5.0 8.0 12.7 1000
$63.08/BAG
Ships fast!! Ships fast!!
0.218 (5.5mm) ID X 0.338" (8."
EC 0218X1000
BLACK 0.218 0.338 1.000 5.5 8.6 25.4 1000
$76.80/BAG
In Stock
0.223 (5.7mm) ID X 0.343" (8."
EC 0223X1000
BLACK 0.223 0.343 1.000 5.7 8.7 25.4 1000
$84.65/BAG
In Stock
0.223 (5.7mm) ID X 0.343" (8."
EC 0223X1500
BLACK 0.223 0.343 1.500 5.7 8.7 38.1 1000
$106.97/BAG
In Stock
0.234 (5.9mm) ID X 0.354" (8."
EC 0234X0500
BLACK 0.234 0.354 0.500 5.9 9.0 12.7 1000
$59.69/BAG
In Stock
0.234 (5.9mm) ID X 0.354" (8."
EC 0234X0787
BLACK 0.234 0.354 0.787 5.9 9.0 20.0 1000
$76.66/BAG
In Stock
0.234 (5.9mm) ID X 0.354" (8."
EC 0234X1000
BLACK 0.234 0.354 1.000 5.9 9.0 25.4 1000
$87.72/BAG
Ships fast!! Ships fast!!
0.234 (5.9mm) ID X 0.354" (8."
EC 0234X1500
BLACK 0.234 0.354 1.500 5.9 9.0 38.1 1000
$108.39/BAG
In Stock
0.250 (6.4mm) ID X 0.370" (9."
EC 0250X1000
BLACK 0.250 0.370 1.000 6.4 9.4 25.4 1000
$86.47/BAG
In Stock
0.295 (7.5mm) ID X 0.415" (10"
EC 0295X0500
BLACK 0.295 0.415 0.500 7.5 10.5 12.7 500
$34.35/BAG
In Stock
0.295 (7.5mm) ID X 0.415" (10"
EC 0295X0750
BLACK 0.295 0.415 0.750 7.5 10.5 19.1 500
$45.17/BAG
In Stock
0.295 (7.5mm) ID X 0.415" (10"
EC 0295X1000
BLACK 0.295 0.415 1.000 7.5 10.5 25.4 500
$50.50/BAG
Ships fast!! Ships fast!!
0.295 (7.5mm) ID X 0.415" (10"
EC 0295X1500
BLACK 0.295 0.415 1.500 7.5 10.5 38.1 500
$60.11/BAG
In Stock
0.312 (7.9mm) ID X 0.432" (10"
EC 0312X1000
BLACK 0.312 0.432 1.000 7.9 11.0 25.4 500
$52.09/BAG
In Stock
0.312 (7.9mm) ID X 0.432" (10"
EC 0312X1500
BLACK 0.312 0.432 1.500 7.9 11.0 38.1 500
$68.45/BAG
In Stock
0.340 (8.6mm) ID X 0.460" (11"
EC 0340X1000
BLACK 0.340 0.460 1.000 8.6 11.7 25.4 500
$55.73/BAG
In Stock
0.355 (9.0mm) ID X 0.475" (12"
EC 0355X1500
BLACK 0.355 0.475 1.500 9.0 12.1 38.1 500
$75.11/BAG
In Stock
0.366 (9.3mm) ID X 0.486" (12"
EC 0366X1500
BLACK 0.366 0.486 1.500 9.3 12.3 38.1 500
$79.58/BAG
In Stock
0.375 (9.5mm) ID X 0.495" (12"
EC 0375X1000
BLACK 0.375 0.495 1.000 9.5 12.6 25.4 500
$55.57/BAG
Ships fast!! Ships fast!!
0.375 (9.5mm) ID X 0.495" (12"
EC 0375X1500
BLACK 0.375 0.495 1.500 9.5 12.6 38.1 500
$76.30/BAG
Ships fast!! Ships fast!!
0.437 (11.1mm) ID X 0.557" (1"
EC 0437X1000
BLACK 0.437 0.557 1.000 11.1 14.1 25.4 250
$35.08/BAG
In Stock
0.456 (11.6mm) ID X 0.556" (1"
EC 0456X1500
BLACK 0.456 0.556 1.500 11.6 14.1 38.1 250
$39.47/BAG
In Stock
0.468 (11.9mm) ID X 0.588" (1"
EC 0468X1000
BLACK 0.468 0.588 1.000 11.9 15.0 25.4 250
$38.32/BAG
In Stock
0.500 (12.7mm) ID X 0.620" (1"
EC 0500X1500
BLACK 0.500 0.620 1.500 12.7 15.7 38.1 250
$47.95/BAG
In Stock
0.535 (13.6mm) ID X 0.635" (1"
EC 0535X1500
BLACK 0.535 0.635 1.500 13.6 16.1 38.1 250
$47.32/BAG
In Stock
0.535 (13.6mm) ID X 0.655" (1"
EC 0535X3000
BLACK 0.535 0.655 3.000 13.6 16.6 76.2 250
$90.66/BAG
In Stock
0.600 (15.2mm) ID X 0.708" (1"
EC 0600X1500
BLACK 0.600 0.708 1.500 15.2 18.0 38.1 250
$55.34/BAG
Ships fast!! Ships fast!!
0.625 (15.9mm) ID X 0.745" (1"
EC 0625X1500
BLACK 0.625 0.745 1.500 15.9 19.0 38.1 250
$55.34/BAG
In Stock
0.750 (19.1mm) ID X 0.870" (2"
EC 0750X1500
BLACK 0.750 0.870 1.500 19.0 22.1 38.1 100
$26.45/BAG
In Stock
0.812 (20.6mm) ID X 0.932" (2"
EC 0812X1500
BLACK 0.812 0.870 1.500 20.6 23.7 38.1 100
$28.62/BAG
In Stock
0.875 (22.2mm) ID X 0.995" (2"
EC 0875X1500
BLACK 0.875 0.995 1.500 22.2 25.2 38.1 100
$31.22/BAG
In Stock
1.000 (25.4mm) ID X 1.120" (2"
EC 1000X2000
BLACK 1.000 1.120 2.000 25.4 28.4 50.8 100
$46.59/BAG
Ships fast!! Ships fast!!
1.062 (27.0mm) ID X 1.182" (3"
EC 1062X2000
BLACK 1.062 1.182 2.000 27.0 30.0 50.8 100
$50.31/BAG
In Stock
1.125 (28.6mm) ID X 1.245" (3"
EC 1125X1500
BLACK 1.125 1.245 1.500 28.6 31.6 38.1 100
$49.15/BAG
In Stock
1.250 (30.1mm) ID X 1.370" (3"
EC 1250X1500
BLACK 1.250 1.370 1.500 31.8 34.8 38.1 100
$49.03/BAG
Ships fast!! Ships fast!!
1.500 (38.1mm) ID X 1.620" (4"
EC 1500X1750
BLACK 1.500 1.620 1.750 38.1 41.1 44.5 50
$34.97/BAG
Ships fast!! Ships fast!!
1.750 (44.5mm) ID X 1.870" (4"
EC 1750X2000
BLACK 1.750 1.870 2.000 44.5 47.5 50.8 50
$43.35/BAG
Ships fast!! Ships fast!!
2.000 (50.8mm) ID X 2.120" (5"
EC 2000X2000
BLACK 2.000 2.120 2.000 50.8 53.8 50.8 25
$25.97/BAG
Ships fast!! Ships fast!!

With Selected Items:

})();