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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A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval.
C — 06 Standard Speci? This standard has been approved for use by agencies of the Department astmm Defense. This glass is intended to be used primarily for architectural glazing products including: The values given in parentheses are for information only.
It is the responsibility of the user of this standard to establish asgm safety and health practices and determine the applicability of regulatory limitations prior to use. Current edition approved Oct.
Originally approved in Last previous edition approved in as C — Length and width of cut size and stock c10336 of? C Within the 3. Typical minimum thickness for DST is 0. F None allowed Allowed with a minimum separation of mm 24 in. F Allowed with a minimum separation of mm 48 in. F Allowed with a minimum separation of mm 60 in. F Allowed with a minimum separation of mm 24 in.
For glass thicker than 6. Table 3 does not apply to glass thicker than Allowable blemishes for glass thicker than aztm D For Q1 and Q2 only, the blemish size includes associated distortion see 6. E Provided that normally nondetectable blemishes do not form a cluster that is detectable at mm 6 ft. Production of general use mirrors and other applications. 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.
Production of architectural glass products including coated, heat treated, laminated, and other select glass products. Q1 Quality 1 Distribution Allowed with a minimum separation of mm 60 astj. None allowed None allowed Q2 Quality 2 Distribution Allowed with a minimum separation of mm 48 in. c1306
AAMA – Glass Standards and Guidelines
None allowed Allowed with a minimum separation of mm 48 in. Light 75 mm 3 in. Medium 75 mm 3 in.
None allowed None allowed Allowed Allowed with a minimum separation of mm 24 in. Heavy mm 6 in. None allowed None allowed None allowed None allowed Allowed Allowed with a minimum separation of mm 24 in.
A None allowed None allowed None allowed See 6. Quality Quality-Q5 Typical Use Applications in which design and aesthetic characteristics are major considerations. Applications in which functional characteristics are a consideration and blemishes are not a major concern. NOTE 3—Edges may be supplied or speci? See Table 1 for acceptance criteria. Allowable distortion for glass thicker than 6. For linear dimensions of nonrectangular shapes, the length and width requirements in Table 2 asttm be used.
For nonlinear dimensions of nonrectangular shapes, tolerances shall be as agreed upon by the involved parties. Discoloration and slight distortion of wire are permissible. Wired glass may contain aetm gaseous inclusions along the wire.
Opening in the mesh shall not exceed 32 mm 11? Opening in the mesh shall not exceed 16 mm 5?
Check with the manufacturer for thickness and dimensional tolerances on random Pattern P3 and special Pattern P4. Scattered areas of non-uniform surface and scattered surface blemishes are permissible. NOTE 4—Patterned glass can vary slightly in both con? Place samples in the vertical position at the distance as speci?
If a blemish is detected, refer to Tables 3 and 4 satm evaluation criteria. 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 viewer shall move towards the specimen until a blemish is detected if any.
The distance from the viewer to glass surface when the blemish is? Astk to Table 5 for evaluation criteria.
The minimum separation distance between blemishes is determined by the minimum separation required for the larger of the two blemishes. Place sample, with the direction of the draw oriented vertically, at a distance of approximately 4. Start with the glass sample parallel with the zebra board identi? Rotate the specimen clockwise from zero until it reaches the angle at which the distortion appears and report that angle as the vision interference angle.
Refer to X1036 6 for evaluation criteria. The lower of the two interference angles measured shall be used to compare to the evaluation criteria in Table 6. Allowed with a minimum separation of mm 48 in.
Allowed with a minimum separation of mm 60 in. Not allowed Q6 Quality 6 Allowed Allowed with a minimum separation of mm 24 in. Table 9 does not apply to glass thicker than D Blemishes not speci?
Flat Glass Inspection Criteria per ASTM C 1036 – 11/ASTM C 1048-12
The difference in length between the two diagonals D1—D2 shall not exceed the limits set forth in Table 2. Check with the manufacturer for more information. Measurements taken at any point shall meet the tolerance requirements of Table 7 or Table 8, or both.
The allowable blemish sizes listed in Table 9 do not include associated distortion. As an alternate method, the thickness may be measured using two bars with? Users of this standard are expressly c0136 that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
Xstm standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.