# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001262823-21-000023
Filing Date
2021-02-24
Accepted
2021-02-24 14:15:10
Documents
140
Period of Report
2020-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | wlk-20201231.htm iXBRL | 10-K | 3747170
2 | EX-10.19 | exhibit101912312010-k.htm | EX-10.19 | 51311
3 | EX-10.20 | exhibit102012312010-k.htm | EX-10.20 | 30480
4 | EX-10.21 | exhibit102112312010-k.htm | EX-10.21 | 40577
5 | EX-21 | exhibit2112312010-k.htm | EX-21 | 55433
6 | EX-23.1 | exhibit23112312010-k.htm | EX-23.1 | 2653
7 | EX-31.1 | exhibit31112312010-k.htm | EX-31.1 | 8939
8 | EX-31.2 | exhibit31212312010-k.htm | EX-31.2 | 8946
9 | EX-32.1 | exhibit32112312010-k.htm | EX-32.1 | 7260
| Complete submission text file | 0001262823-21-000023.txt |  | 18220380

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
10 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | wlk-20201231.xsd | EX-101.SCH | 91828
11 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | wlk-20201231_cal.xml | EX-101.CAL | 163337
12 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | wlk-20201231_def.xml | EX-101.DEF | 657565
13 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | wlk-20201231_lab.xml | EX-101.LAB | 1159964
14 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | wlk-20201231_pre.xml | EX-101.PRE | 900488
15 | EXTRACTED XBRL INSTANCE DOCUMENT | wlk-20201231_htm.xml | XML | 3752308

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056 713-960-9111
WESTLAKE CHEMICAL CORP (Filer) CIK: 0001262823 (see all company filings)

EIN.: 760346924 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-32260 | Film No.: 21671421
SIC: 2860 Industrial Organic Chemicals