GB/T 21872-2008 in English
VALIDSulphonic acid hardener for foundry no-bake furan resin
- Issued on:2008-05-14
- Implemented on:2008-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
| Standard No: | GB/T 21872-2008 |
| Document status: | VALID |
| Title in English: | Sulphonic acid hardener for foundry no-bake furan resin |
| Title in Chinese: | 铸造自硬呋喃树脂用磺酸固化剂 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2008-05-14 |
| Implemented on: | 2008-10-01 |
| ICS Classification: | 83.040.20-Rubber compounding ingredients |
| Chinese Classification: | G71-Chemical additive |
| Professional Classification: | GB-National Standard |
| Related Keywords: | foundry no-bake furan resin
no-bake furan resin foundry no-bake furan resin scopethis standard sulphonic acid hardener sulfonic acid |
| Related Topics: | GB/T 21872-2008
Sulfonic acid GB/T+21872-2008 Sulfonic acid curing agent Hardener Sulfonating agent Hardness resin barreled stearic acid barreled stearic acid Hardness of the resin GBT21872 GB/T 21872-2008 Furan resin curing agent Resin curing perspective Standard free energy of stearic acid Thermosetting resin hardness Casting process automation gb/t 21872 |
《GB/T 21872-2008铸造自硬呋喃树脂用磺酸固化剂》由TC35（全国橡胶与橡胶制品标准化技术委员会）归口，TC35SC12（全国橡胶与橡胶制品标准化技术委员会化学助剂分会）执行，主管部门为中国石油和化学工业联合会。
本标准为首次发布。本标准规定了铸造自硬呋喃树脂用磺酸固化剂产品型号及标注、要求、试验方法、检验规则、标志、包装、运输、贮存。
本标准适用于甲苯、二甲苯经磺化制得的铸造自硬呋喃树脂用磺酸固化剂。
Scope
This standard specifies the product model, label, requirements, test method, inspection rules, marking, packaging, transportation and storage of sulfonic acid curing agent for casting no-bake furan resin. This standard applies to the sulfonic acid curing agent for foundry no-bake furan resin obtained by sulfonating toluene and xylene.
Loading PDF document...
Error loading PDF. Please make sure the file is valid and try again.
We also recommend
-
GB/T 8826-2019 in English
Rubber antioxidant—Polymerized 2,2,4-trimethyl-1,2-dihydroquinoline(TMQ)
2019-08-30 -
GB/T 21840-2025 in English
Vulcanizing accelerator—N-tert-butyl-1,3-benzothiazole-2-sulfenamide（TBBS）
2025-08-01 -
GB/T 21841-2019 in English
Rubber antioxidant—N-1,3-dimethylbutyl-N′-phenyl-p-phenylenediamine(6PPD)
2019-08-30 -
GB/T 33322-2016 in English
Rubber plasticizer--Aromatic base mineral oil
2016-12-13 -
GB/T 24801-2019 in English
Antiscorching agent—N-cyclohexylthiophthalimide(CTP)
2019-10-18
