Karry
I write about how plastics behave, from the effects of moisture on nylon to the strength and clarity of films. My aim is to help readers compare materials, understand what test results actually measure, and recognize where a property rating may fall short of explaining performance under different conditions.
Plastic Material Properties by Exposure: What Each Rating Measures and Which Standard Sets It
Updated September 2026 Plastic material properties are measured values reported by specified tests in defined circumstances. Density, heat deflection, flame class, resistivity, water uptake, haze and vapor barrier each answer a different question about a part in service. This guide…
Plastic Materials Guide: A Three-Axis Way to Sort, Identify and Choose a Resin
Published September 2026 A plastic materials guide is easiest to use when it starts from three questions: how a resin responds to heat, how ordered its molecules are, and which service tier it sits in. As a guide to plastic…
