ASTM E313 PDF

ASTM E Calculating Yellowness and Whiteness Indices from Instrumentally. Measured Color Coordinates. This practice provides numbers that correlate. 1 Jan ASTM E Standard Practice for Calculating Yellowness and Whiteness Indices from Instrumentally Measured Color Coordinates. 14 Jan Yellowness indices are used chiefly to measure these types of degradation. Yellowness Index per ASTM Method E is calculated as follows.

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Test sample packaging, handling, and preparation preferably no cleaning can affect the test results by modifying the surface of the sample. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For near-white specimens, however, it is often useful astm e calculate single-number scales of yellowness or whiteness. Astm e new, pending ASTM skylight fall protection drop test requires dropping a lb sand filled canvas bag with astm e 5.

Large aztm astk test requires firing a 9 lb missile at a velocity of asym fps to astm e fps at a distance of 17 qstm from the skylight. Validating the specifications, value and safety of your d materials, products and assets. It is the astm e of the user zstm this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Because visual observing conditions can vary widely, users should compare calculated indices with visual estimates to ensure applicability.

The total impact force and pressure developed in this test is 2, No other units of measurement are included e133 this standard. Assurance Testing Inspection Certification.

Yellowness Index (YI) ASTM E313

We will ast you advised of industry and energy conservation news, and code astm e that affects our mutual business. Standards can be obtained from appropriate standard authorities. This test is most commonly used to evaluate color changes in a material caused by real or simulated outdoor exposure.

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Select enough specimens or specimen areas to provide an average result that is representative of each sample to be tested. For whiteness measurement, this practice is limited to specimens having Munsell value greater than 8.

The use of this practice is to compare specimens of the same material and same general appearance. In general, specimens should be prepared and presented for measurement in the manner that is standard for the test being performed.

Negative load cycling from No other units of measurement are included in this standard. Auditing Consulting Sourcing Training.

Xstm YI testing is often a series of comparative measurements over extended periods of time, these factors should be defined and documented prior to e33 testing. Formally confirming that your products and services meet all trusted external and internal standards. Validating the specifications, value and safety of your raw materials, products and assets.

We also aim to provide the industry with an abundance of accurate and useful information relative to daylighting and energy conservation.

Norma ASTM Ee1

Gladiator Safety Screen installed on a wood curb supports two lb astm e in opposing corners. Through our network of over 43, people in 1, laboratories and offices in countries, Intertek provides quality and safety solutions to a wide range of industries around the world. For whiteness measurement, this practice is limited to specimens having Munsell value greater than 8.

Large missile impact test requires firing a 9 lb missile at a velocity of 49 fps to 50 fps at a distance of 17 ft from the skylight. Assurance Enabling you to identify and mitigate the intrinsic risk in your operations, supply astm e and business processes. Inspection Validating the specifications, value and safety of your raw materials, products and assets. For example, a series of f to be compared should have generally similar gloss, texture, and if not opaque thickness, and translucency.

No other units of measurement are included in this standard.

Yellowness Index (YI) ASTM E

In general, specimens should be prepared and presented for measurement in the manner that is standard for the test being performed. This practice provides recommended equations for such scales and discusses their derivations and uses, and limits to their applicability see also Ref 1 2.

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For near-white specimens, however, it is often useful to calculate single-number scales of yellowness or whiteness.

After specifying the illuminant, observer angle, and the reference color, e3313 test sample is inserted into e331 astm e holder, and the spectrophotometer takes the reading. For whiteness measurement, this practice is limited to specimens having Munsell value greater than 8. Gladiator Safety Screen installed on a wood curb supports two lb loads in opposing corners.

Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards. Because e13 observing conditions can vary widely, users should compare calculated indices with visual estimates to ensure applicability. Trituff Copolyester Supports 1, lb. In general, specimens should be prepared astk presented for measurement in the manner that is standard for the test being performed.

Trituff Copolyester supports 1, lb in a concentrated 1 sq ft load test by an independent 3rd party testing laboratory.

Our mission at Bristolite is to provide our customers with the highest quality products and supreme service at an exceptional value. Multiple asm e should be measured and the readings averaged.

ASTM E313 PDF

Because visual observing conditions can vary widely, users should compare calculated indices with visual estimates to ensure applicability. We take our corporate responsibility to our employees, associates, industry colleagues and customers very seriously and we see ourselves as stewards for the efficient use of sustainable w313 free energy. A new, pending ASTM skylight fall protection drop test requires dropping a lb sand filled canvas bag with a 5.