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05 Gravi-Tech_High-Density_Compounds_Processing_Guide Chinese-20191121 Gravi-Tech™ 高密度改性配方 加工指南 GRAVI-TECH™ 密度改性配方 注塑成型参数 TBPAPSBA 料筒温度 °F (°C) 后段 400–475 (200–250) 480-540 (248-282) 480–520 (250–270) 中段 410–480 (205–253) 490-550 (254-287) 485-525 (251-273) 前段 420–490 (210–257) 500-560 (260-293) 490-530 (254-276) 喷嘴 425–500 (215–260) 510-570 (265-298) 490-540 (254-282) 熔体温度 425–515 (215–270) 510-570 (265-298) 490-540 (254-282) 模具温度 140–200 (60–90) 150-300 (65-148) 140-280 (60-137) 干燥参数 190 (90) 2–4 小时 0.01%–0.15% 180 (82) 4–5 小时 0.10%–0.20% 275 (135) 3–4 小时 0.02%–0.04% 喷嘴类型 注塑压力 背压 螺杆转速 缓冲料垫 通用 尼龙或倒锥形 通用 注塑速度 1 2 – 5 in/sec; 50 - 127 mm/sec 中压至高压（范围可能为1,000-4,000 psi; 7-28 Mpa） 50-100 psi; 0.3-0.7 Mpa 25–75 RPM 0.125 - 0.250 in; 3 - 6 mm 螺杆压缩比2 2.0:1–2.5:1 2 Gravi-Tech Gravi-Tech™聚合物金属复合材料属于高密度材料， 是铅和其他传统金属的热塑性替代材料。 加工指南 7 翘曲 取向过度 模具设计 模具设计 1.

TABLE OF CONTENTS PAGE 1.0 QUALITY POLICY……………………………………………………………….. 4 2.0 AVIENT BUSINESS & QMS ALIGNMENT………………………………………. 5 3.0 CUSTOMER FOCUS PROCESS………………………………………………… 6 4.0 SCOPE OF STANDARD QUALITY RESPONSE…………………………….. 7 - 8 5.0 COMPANY INFORMATION…………………………………………………… 9 6.0 IT SECURITY………………………………………………………………….. 10 7.0 ENIVIRONMENTAL HEALTH, SAFETY & SECURITY………………………. 10 8.0 TECHNOLOGY…………………………………………………………………. 11 9.0 REGULATORY & STATUTORY REQUIREMENTS…………………………….. 11 10.0 QUALITY MANAGEMENT SYSTEM……………………………………………… 12 10.1 GENERAL…………………………………………………………………… 13 10.2 FACILITY & MAINTENANCE…………………………………………… 14 10.3 CONTROL OF MONITORING & MEASURING DEVICES……………… 14 10.4 MANUFACTORING, PRODUCTION & PROCESS CONTROLS…………….. 15 10.5 NONCONFORMING MATERIALS……………………………………… 15 10.6 MATERIALS, STORAGE, HANDLING & TRACABILITY……………. 16 10.7 PACKAGING, SHIPPING & DISTRIBUTION…………………………… 16 10.8 QUALITY CONTROL TESTING………………………………………….. 17 11.0 CONTINUOUS IMPROVEMENT…………………………………………… ........ 17 11.1 FIGURE B. This document is property of Avient Corporation and may not be reproduced or communicated to third parties without authorization. 3.0 Customer Focus Process Approved Corporate : Template/Form Document #: DOC-01879 Revision: 8 Document Owners: Brian Hoar Effective Date: May 13, 2022 Title: QF-02 Quality Standard Response Page 7 of 19 Only the electronic version of this document in ETQ is the controlled version of the document.

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Rose Vice President, Marketing and Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended June 30, Six Months Ended June 30, 2023 2022 2023 2022 Sales $ 824.4 $ 891.0 $ 1,670.1 $ 1,783.2 Operating Income 62.3 100.1 119.4 202.3 Net income from continuing operations attributable to Avient shareholders 22.1 62.8 42.9 127.2 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.24 $ 0.69 $ 0.47 $ 1.39 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.24 $ 0.68 $ 0.47 $ 1.38 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results. Three Months Ended June 30, Six Months Ended June 30, 2023 2022 2023 2022 Sales: Color, Additives and Inks $ 524.5 $ 649.1 $ 1,061.5 $ 1,298.6 Specialty Engineered Materials 300.8 242.3 610.5 485.4 Corporate (0.9) (0.4) (1.9) (0.8) Sales $ 824.4 $ 891.0 $ 1,670.1 $ 1,783.2 Gross margin: Color, Additives and Inks $ 164.1 $ 193.4 $ 326.1 $ 385.5 Specialty Engineered Materials 91.5 66.0 185.4 134.4 Corporate (14.9) 1.5 (23.2) (4.6) Gross margin $ 240.7 $ 260.9 $ 488.3 $ 515.3 Selling and administrative expense: Color, Additives and Inks $ 96.1 $ 99.8 $ 192.5 $ 197.4 Specialty Engineered Materials 51.8 30.8 102.6 60.9 Corporate 30.5 30.2 73.8 54.7 Selling and administrative expense $ 178.4 $ 160.8 $ 368.9 $ 313.0 Operating income: Color, Additives and Inks $ 68.0 $ 93.6 $ 133.6 $ 188.1 Specialty Engineered Materials 39.7 35.2 82.8 73.5 Corporate (45.4) (28.7) (97.0) (59.3) Operating income $ 62.3 $ 100.1 $ 119.4 $ 202.3 Depreciation & amortization: Color, Additives and Inks $ 25.7 $ 25.8 $ 51.5 $ 51.9 Specialty Engineered Materials 19.9 7.6 41.1 15.5 Corporate 2.0 3.1 5.5 6.9 Depreciation & Amortization $ 47.6 $ 36.5 $ 98.1 $ 74.3 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 93.7 $ 119.4 $ 185.1 $ 240.0 Specialty Engineered Materials 59.6 42.8 123.9 89.0 Corporate (43.4) (25.6) (91.5) (52.4) Other income (expense), net (0.2) 1.6 0.5 1.0 EBITDA including special items $ 109.7 $ 138.2 $ 218.0 $ 277.6 Total Company special items in EBITDA 21.6 (0.2) 47.1 4.4 Total Company, EBITDA adjusted $ 131.3 $ 138.0 $ 265.1 $ 282.0 13 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

Rose Vice President, Marketing and Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 7 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Sales $ 753.7 $ 823.3 $ 2,423.8 $ 2,606.5 Operating Income 34.3 40.6 153.7 242.9 Net income (loss) from continuing operations attributable to Avient shareholders 5.1 (27.4) 48.0 99.8 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.06 $ (0.30) $ 0.53 $ 1.09 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.06 $ (0.30) $ 0.52 $ 1.08 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results. Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Sales: Color, Additives and Inks $ 486.5 $ 565.6 $ 1,548.0 $ 1,864.2 Specialty Engineered Materials 267.9 258.2 878.4 743.6 Corporate (0.7) (0.5) (2.6) (1.3) Sales $ 753.7 $ 823.3 $ 2,423.8 $ 2,606.5 Gross margin: Color, Additives and Inks $ 156.8 $ 161.3 $ 482.9 $ 546.8 Specialty Engineered Materials 78.3 66.9 263.7 201.3 Corporate (39.8) (32.8) (63.0) (37.4) Gross margin $ 195.3 $ 195.4 $ 683.6 $ 710.7 Selling and administrative expense: Color, Additives and Inks $ 92.3 $ 92.7 $ 284.8 $ 290.1 Specialty Engineered Materials 48.0 35.5 150.6 96.4 Corporate 20.7 26.6 94.5 81.3 Selling and administrative expense $ 161.0 $ 154.8 $ 529.9 $ 467.8 Operating income: Color, Additives and Inks $ 64.5 $ 68.6 $ 198.1 $ 256.7 Specialty Engineered Materials 30.3 31.4 113.1 104.9 Corporate (60.5) (59.4) (157.5) (118.7) Operating income $ 34.3 $ 40.6 $ 153.7 $ 242.9 Depreciation & amortization: Color, Additives and Inks $ 24.6 $ 24.2 $ 76.1 $ 76.1 Specialty Engineered Materials 20.5 12.9 61.6 28.4 Corporate 1.3 2.7 6.8 9.2 Depreciation & Amortization $ 46.4 $ 39.8 $ 144.5 $ 113.7 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 89.1 $ 92.8 $ 274.2 $ 332.8 Specialty Engineered Materials 50.8 44.3 174.7 133.3 Corporate (59.2) (56.7) (150.7) (109.5) Other income (expense), net 1.0 (32.3) 1.5 (31.3) EBITDA including special items $ 81.7 $ 48.1 $ 299.7 $ 325.3 Special items in EBITDA 41.0 71.2 88.1 75.6 Total Company, EBITDA adjusted $ 122.7 $ 119.3 $ 387.8 $ 400.9 13 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

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