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This is a fully hardened and tempered stainless-steel asphalt penetration test needle, 100g, with a ..

This is a certified hardened-steel bitumen penetration needle, supplied with a verification certific..

A certified bitumen penetration needle used in the standard penetration test.

The CT-A1000 is an automatic needle-penetration tester with a built-in, semiconductor-cooled water b..

These are hardened stainless-steel penetration needles for bitumen testing per ASTM D5/AASHTO T49, g..