Durometers | ||||||
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Dimensions expressed in millimeters (mm). Force expressed in grams (gf). | ||||||
The “Model” column contains a link to the individual page for the listed Asker® Durometer. | ||||||
Model | Image | Standard | Indentor | Spring Force Min-Max |
Presser Foot | Dimensions |
JA1 | ![]() |
JIS K 6253 | 35º Frustrum Cone 0.79 R tip 1.27 Ø |
55 - 855 | 44 x 18 Rectangular |
Width 57 Depth 30 Height 76 |
JC1 | ![]() |
JIS K 6253 | 100 - 4500 | |||
A1 | ![]() |
JIS K 6253 JIS K 7215 ASTM D2240 ISO 7619 ISO 868 |
56 - 821 | |||
D1 | ![]() |
JIS K6253 JIS K 7215 ASTM D2240 ISO 7619 ISO 868 |
30º Cone 0.10 R tip 1.27 Ø |
0 - 4533 | ||
B1 | ![]() |
ASTM D2240 | 56 - 821 | |||
C1 | ![]() |
SRIS 0101 (Japan) |
5.08 Ø Sphere |
55 - 855 | ||
C21 | ASKER C2 | 55 - 455 | ||||
DD—2 | ![]() |
1 Indicates availability in the Digital Model DD—2 | ||||
CS | ![]() |
ASKER CS | 10 Ø Cylinder | 100 - 4500 | 50 Ø Circular | Width 50 Depth 50 Height 76 |
FP | ![]() |
ASKER FP | 15 Ø Cylinder | 100 - 200 | 50 x 37 Oval | Width 50 Depth 37 Height 81 |
F | ASKER F | 25.2 Ø Cylinder | 55 - 455 | 80 Ø Circular | Width 80 Depth 80 Height 81 |
Asker® Indentor Designs | ||
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30° Cone | Types B and D Hard Rubber and Plastics |
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Truncated (Frustrum) 35° Cone | Types A, C, JA and JC Soft Rubber and Plastics |
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5.08 mm Ø Sphere | Asker Types C and C2 Softer Rubber & Sponge |
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10, 15 & 25.2 mm Ø Cylinder | Asker Types F, FP and CS Urethanes & Foams |
Asker® Extended Presser Foot Designs | ||
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10 mm Ø | Types JAL and JCL |
12 mm Ø | Types AL, DL and BL | |
16 mm Ø | Models C1L and C2L | |
Asker® Maximum Reading Hand Design | ||
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The Maximum Indicating Hand allows for the retention of the maximum indicated reading. This is especially useful with materials that exhibit rapid hysteresis, dynamic stress relaxation, or when it is difficult to instantaneously observe the reading without introducing focal parallax. |