Necessary on-site tests for Purewell portable filter have been conducted. These tests are crocking testing, seam strength testing, and stitches testing.
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The manufacturing processes of Purewell portable filter are completely conducted. They include sourcing fabrics, pattern designing & making, sampling, review of samples, mass production, and quality control.
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Purewell portable filter has gone through extensive performance tests. It has passed tearing resistance testing, temperature resistance testing, adhesion/anti-slip resistance testing, and moisture resistance testing.
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Several important factors related to fabric performance of Purewell portable filter have been taken into considerations. They are harmful substances content, colorfastness, breathability, flammability, fatigue resistance, and durability.
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There are sufficient considerations regarding Purewell portable filter design. They are Aesthetics (the meaning of form), Principles of Design (unity, harmony, hierarchy, spatial order, etc.), and Function & Social Use (ergonomics, comfort, proxemics).
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This product has been well received by customers for its high performance and durability.