Flat Glass Inspection Criteria per ASTM C – 11/ASTM C Terminology. crush:lightly pitted condition with a dull gray appearance. dig:deep, short. Find the most up-to-date version of ASTM C at Engineering This standard is issued under the fixed designation C ; the number ASTM Standards: 2 cut size, n—glass ordered cut to its final intended size.
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The difference in length between the two diagonals D1—D2 shall not exceed the limits set forth in Table 2. Your comments are invited either for revision of this astn or for additional standards and should be addressed to ASTM International Headquarters.
It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Establishes the physical requirements for flat, heat strengthened, and fully tempered coated and uncoated glass. Originally approved aztm For linear dimensions of nonrectangular shapes, the length and width requirements in Table 2 shall be used.
None allowed None allowed Q2 Quality 2 Distribution Allowed with a minimum separation of mm 48 in.
Flat Glass Inspection Criteria per ASTM C 1036 – 11/ASTM C 1048-12
Last previous edition approved in as C — Allowable distortion for glass thicker than 6. Historical Version s – view previous versions of standard. Check with the manufacturer for thickness and dimensional tolerances on random Pattern P3 and special Pattern P4. F Allowed with a minimum separation of mm 60 in. Heavy mm 6 in. NOTE 4—Patterned glass can vary slightly in both con? Glass strength, overall bow, localized bow, dimension, hole, notches and cut-out tolerances and product labeling.
Light 75 mm 3 in. Measurements taken at any point shall meet the tolerance requirements of Table 7 or Table 8, or both.
Not allowed Q6 Quality 6 Allowed Allowed with a minimum separation of mm 24 in. C Within the 3.
Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor adtm astm. D For Q1 and Q2 only, the blemish size includes associated distortion see 6. The values given in parentheses are for information only.
Medium 75 mm 3 in. Allowable blemishes per Table 3 PLUS three rejectable point blemishes Production of architectural glass products including coated, heat treated, laminated, and other select glass products. E Provided that normally nondetectable blemishes do not form a cluster that is detectable at mm 6 ft. Table 3 does not apply to glass thicker than Wired glass may zstm numerous gaseous inclusions along the wire.
The lower of the two interference angles measured shall be used to compare to the evaluation criteria in Table 6. Check with the manufacturer for more information.
ASTM C – 16 Standard Specification for Flat Glass
The allowable blemish sizes listed in Table 3 include associated distortion for Q1 and Q2, but Q3 and Q4 do not include associated distortion. The following chart lists the industry standards and specifications that apply to glass used in windows, doors, skylights and architectural glazing applications. Quality Quality-Q5 Typical Use Applications in which design and aesthetic characteristics are major considerations.
The minimum separation distance between blemishes is determined by the minimum separation required for the larger of the two blemishes. Discoloration and slight distortion of wire are permissible.
Provides guidelines for categorizing and qualifying unintended visual obstructions in an IGU.