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Anticorrosion resistance parameter table (A)

 

Water and steam saturation table

 

Temp. Pressure Temp. Pressure Temp. Pressure Temp. Pressure
Absolute Pressure Absolute Pressure Vacuum degree Absolute Pressure Absolute Pressure Vacuum degree Absolute Pressure Absolute Pressure Vacuum degree Absolute Pressure Absolute Pressure Vacuum degree
10 0.012512 10 750 20 0.023830 18 742 30 0.43250 33 727 40 0.075200 57 703
11 0.013375 10 750 Twenty one 0.025340 19 741 31 0.45800 35 725 41 0.077931 60 70.0
12 0.014290 11 749 Twenty two 0.026940 20 740 32 0.048470 37 723 42 0.083600 64 696
13 0.014260 12 748 Twenty three 0.028630 Twenty two 738 33 0.051280 39 721 43 0.088090 67 639
14 0.016288 12 748 Twenty four 0.030410 Twenty three 737 34 0.054230 41 719 44 0.092790 71 689
15 0.017375 13 747 25 0.032280 25 735 35 0.057320 44 716 Forty five 0.097710 74 686
16 0.018526 14 746 26 0.034260 26 734 36 0.065700 46 714 46 0.028550 78 682
17 0.019743 15 745 27 0.036340 28 732 37 0.063980 49 711 47 0.108210 82 678
18 0.021030 16 744 28 0.038530 29 731 38 0.067550 51 709 48 0.113820 87 673
19 0.022390 17 743 29 0.040830 31 739 39 0.071290 54 706 49 0.119670 91 669

 

Parts of the country altitude and atmospheric pressure

 

Place name Altitude Atmospheric pressure (mmHg) Place name Altitude Atmospheric pressure (mmHg) Place name Altitude Atmospheric pressure (mmHg) Place name Altitude Atmospheric pressure (mmHg)
Summer Winter Summer Winter Summer Winter Summer Winter
Harbin 146 741 755 Karamay 443 718 734 Taiyuan 784 689 699 Changsha 81 747 764
Changchun 237 734 747 Maryland 1517 632 639 Jinan 55 750 767 Hengyang 103 746 765
Jilin 184 733 754 Yumen 1526 635 642 Nanjing 9 750 766 Nanchang 49 750 764
Shenyang 42 750 766 Silver State 112 663 672 Hefei Twenty four 750 767 Guilin 167 739 752
Fushun 82 746 761 Xining 2261 581 582 Shanghai 5 753 769 Canton 6 753 764
Jinzhou 66 749 765 Xi'an 397 718 734 Hangzhou 7 754 769 Chengdu 506 710 755
Yingkou 4 754 770 Beijing 52 749 765 Fuzhou 88 747 758 Kangding 2616 556 554
Dalian 65 748 763 Tianjin 3 753 769 Luoyang 138 741 757 Kunming 1819 606 608
Hohhot 1063 667 676 Tanggu 6 754 770 Hankou Twenty three 751 767 Guiyang 1071 666 673
Urumqi 654 684 691 Datong 1067 666 675 Yichang 70 745 761 Zunyi 844 683 692

 

Symbol Description

 

V Good, light or no corrosion X NA severe corrosion * May produce stress corrosion cracking Λ Dissolution or media change # May cause stress corrosion cracking
○ Available, but there are obviously serious corrosion ◎ And other similar materials because of different formulations, and corrosion resistance are different, be careful when you choose © Material penetration □ May produce pitting

 

Corrosion-resistant polypropylene products using condition table (a)

This manual is based on version 82 "Corrosion Data Handbook" excerpt for reference purposes only.

Media Concentration% Temperature ºC Media Concentration% Temperature ºC
20 50 65 100 25 50 65 80 100
Inorganic acid Organic acids
Sulfuric acid <10 ∨ ∨ ∨ ∨ Formic acid <10 ∨ ∨ ∨ ∨ ∨
<30 ∨ ∨ ∨ ○ <85 ∨ ∨ ○ ○
30-60 ∨ ∨ ○ ◎ 100 ∨ ∨ ∨
78-90 ∨ ○ ◎ × Acetic acid (acetic acid) <10 ∨ ∨ ∨ ∨ ∨
95-96 ◎ ◎ × × <80 ∨ ∨ ○ ○ ○
> 96 × Ice ○ ○ ×
Oleum × Acetic acid vapor ○ ×
Nitrate <10 ∨ ∨ ∨ ∨ Acetic anhydride (acetic anhydride) ○ ○ ○ ×
10-25 ∨ ∨ ∨ Propionate ∨ ○
30 ∨ ○ × Acrylate (Emulsion) ∨ ∨ ∨
35 ○ Butyric acid ∨ ∨ ∨ ∨ ∨
40-50 ○ ◎ × Lauric ∨ ∨ ○
50-60 ○ × × Fatty acid ∨ ○ ○ ◎
68-70 ◎ × Palmitic acid ∨ ∨ ○ ○ ○
100 × Stearic ∨ ∨ ○ ◎
Fuming nitric acid × Oleic acid ∨ ○ ○ ×
Hydrochloric acid <36 ∨ ∨ ∨ ∨ Linoleic ∨ ∨ ∨
> 36 ○ ○ ◎ × Glycolic ∨ ∨ ∨
Phosphate <50 ∨ ∨ ∨ ○ Double glycolic ∨ ∨ ∨ ∨
85 ∨ ∨ ○ ○ Monochloroacetic acid ○ ○ ○
95 ∨ ∨ ○ Dichloroacetate ∨
Hydrofluoric acid Dilute ∨ ∨ ∨ ∨ TCA ∨ ∨ ∨ ×
35 ∨ ∨ ○ ◎ Peracetic acid 40 ○ × ×
40-50 ∨ ∨ ∨ (80) × Lactic acid (propiolactone) 20 ∨ ∨ ∨ ∨ ∨
55 * ∨ ∨ ∨ (80) ○ 80 ∨ ∨ ∨
70 ∨ ∨ ∨ 100 ∨ ∨ ∨ ∨
75 × Oxalate © (oxalic acid) ∨ ○ ○ ◎ ◎
100 ∨ Succinic acid (succinate) ∨ ∨ ∨
Hydrobromide 20 ∨ ∨ ∨ ∨ Maleate ∨ ○ ○ ○ ○
50 ○ ○ ◎ × Malic acid ◎ ◎ ◎ ×
Hydriodic acid (containing 12% I 2) 48 × Tartaric acid ∨ ∨ ∨
100 × Adipic acid ∨ ◎
Hydriodic acid (excluding I 2) 48 ∨ ∨ ∨ Citric acid (hydroxy propanetricarboxylic) 10 ∨ ∨ ∨ ○ ×
Hydrocyanic acid ∨ ∨ ∨ 50 ∨ ○ ×
Sulfite ∨ ∨ ∨ 100 ∨ ∨ ∨
Nitrite Concentrated ◎ Benzoic acid ∨ ∨ ∨ ×
10 ∨ SA ∨ ∨
Carbonic acid ∨ ∨ ∨ ∨ Cresylic acid (alkyl acid) 50 ×
Chromic acid * 10-40 ∨ ∨ ∨ Carbolic acid (phenol) <100 ∨ ∨ ∨
50 ∨ ○ ○ ◎ Phthalic acid ∨
80 ∨ × Gallate ∨ ∨ ∨
Boric acid ∨ ∨ ∨ ∨ Tannic acid ∨ ∨ ∨ ∨
Arsenate ∨ ∨ ∨ Methane sulfonic acid ∨ ∨
Silicate ∨ ∨ ∨ Acid ○ ○ ○
Selenate ∨ ∨ ○ Fluorine sulfonic acid 20 ∨ ∨ ∨ ∨
Chlorate 20 ∨ ∨ × Concentrated ∨ ∨ ∨
Hypochlorous ∨ ∨ ∨ Anthraquinone sulfonic acid ◎ ×
Perchloric acid 10 ○ × Methyl sulfate ∨ ∨
70 ○ × Niacin ∨ ○ ○
Bromate ◎ ◎ ◎ Picric ∨ ∨ ○
Fluoroborate ∨ ∨ ∨ ∨
Fluosilicic ∨ ∨ ∨ ○
Nafion
Aqua regia ◎ ◎ × ×
Mixed acid: nitric acid 50% + 50% * ◎ ×
Hydrofluoric acid, nitric acid 15% + 4% ○ ×
Hydrochloric acid, nitric acid 50% + 50% * ○ ×
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