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Jan-17-17
Supplier From Hebei, China
GOLD Member
Nov-13-24

Cas 30525-89-4 Paraformaldehyde

$1.00
MOQ: 1  Tons (UK)
Sample Available
 
Product Name: Paraformaldehyde

Identification
Synonyms p-Formaldehyde; Polyoxymethylene
Molecular Formula (CH2O)n
Molecular Weight 90.08
CAS Number 30525-89-4

Properties
Melting Point 120-170C
Density 0.88
Flash Point 71C
Water Solubility sparingly soluble

Specification
Item Specification
Formaldehyde Content 96.0% ±1% 97.0%±1%
Acidity(Formicacid) 0.03% max
Methanol Content 1.0 % max
Ph 5-9
Iron Content 0.0002% max
Ash 0.05% max

Application
As ideal substitute of industrial formaldehyde. It can be used in the manufacture of glyphosate, acetochlor, machette, tricyclazole as well as high-grade automobile paint, phenol-formaldehyde resin, melamine resins and ion exchange resin etc.
GOLD Member
Nov-13-24

Industry Grade Paraformaldehyde 96%

$499.00
MOQ: 1  Tons (UK)
Sample Available
 
99.6%Content Paraformaldehyde(POM CAS No 30525-89-4) from China Supplier
Specification:
Item Standard Test result
Appearance
Content 96% +1 96.38
Acid value (formic acid) 0.03% 0.03%
Ash 0.03% 0.03%
Fe content Less than 0.0003% (wt.)i.e.3ppm <0.0003%
PH value (20C) 3.5-6.0 5.6
Application;

1, farm chemical: composite acetochlor, butachlor, ect

2, paint: composite high-end automobile paint

3, resin: composite urea resin, phenolic resin, ect. and various adhesives

4, papermaking: composite paper intensifier

5, casting: casting remover and adhesive of casting synthesis

6, cultivation industry: fumigation disinfectant

7, organic raw materials: for the production of glycerol, crylic acid, and so on
GOLD Member
Nov-26-24
 
Glycerol (also called glycerine or glycerin) is a simple polyol compound. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. The glycerol backbone is found in all lipids known as triglycerides. It is widely used in the food industry as a sweetener and humectant . Glycerol has three hydroxyl groups that are responsible for its solubility in water and its hygroscopic nature.

Application
1. Used for manufacturing alkyd and epoxy resins.
2. In medicine, it is used to prepare various preparations, solvents, hygroscopics, antifreeze, and sweeteners, and to prepare external ointments or suppositories.
3. Used in the paint industry to produce various alkyd resins, polyester resins, glycidyl ethers, and epoxy resins.
4. Used in the textile and printing and dyeing industries to produce lubricants, hygroscopics, fabric anti shrink treatment agents, dispersants, and penetrating agents.
5. Used as a sweetener, moisture absorber, and solvent in the food industry.
6. It has a wide range of applications in industries such as papermaking, cosmetics, leather making, photography, printing, metal processing, electrical materials, and rubber.
7. And used as fuel for automobiles and airplanes, as well as antifreeze in oil fields.
8. Glycerin can be used as a plasticizer in the new ceramic industry.
Jul-18-06
 
Deep groove ball bearing&autombile bearing
1>features : 1) deep groove ball bearings mainly take radial load as well as take moderate axial load 2) with less coefficient of friction, high limiting speed, large size range and various structure 3) they are suitable of precision instruments, low noise motors, automobiles, motorcycles, and other common machinery 4) a widely used type of bearings in machinery industry

2> applications : typical applications: electric motors, automotive applications, home appliances, industrial equipment. 3> catalog : open type (metric series ) open type (inch series) with rubber seals/steel shields type(metric series ) with rubber seals/steel shields type(inch series) with snap ring/snap ring groove flange ball bearings(metric series) flange ball bearings (inch series) 4>packing :plastic paper and carton box 5>payment:t/t, l/c
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Jul-18-06
 
Pillow blocks
1> features:1) high quality bearings made according to the customers requirements2) extensively used in:miningmetallurgyagriculturechemical industry transportation

3) bearing types:uc201-218 seriesrb201-218 seriessb201-212 seriessa201-211 seriesue201-211 serieshc204-212 seriesuk205-217 seriesucp201-218 seriesucf201-218 seriesucfl201-218 seriesucpa201-213 seriesucfc201-218 seriessbpp201-207 seriessapp201-207 seriessbpf201-207 seriessapf201-207 seriessbpfl201-207 seriessapfl201-207 seriessbpft201-207 seriessapft201-207 seriesser201-212 seriesall kinds of inch size pillow block bearingsinner packing: 1pcs/box, plastic tube or plastic.
Sep-05-19
Supplier From Hebei, China
Aug-07-14
Supplier From Hebei, Shijiazhuang, China
Sep-15-22
 
Brake Disc Main Size, Weight And Moment Of Inertia
Disc diameter T K S D3max Inertia  Moment kg  m2 Weight kg 315 15 10 42 180 155 0. 116 0. 11 8.5 6. 7
355 15 10 54 200 175 0. 192 0. 178 11.4 9. 9
400 15 14 54 255 230 0. 32 0. 29 15.2 12.4
450 15 16 54 305 280 0. 55 0. 46 19.7 15.6
500 15 18 54 325 295 0. 83 0.71 25 20
560 15 18 54 350 320 1.28 1. 13 30. 7 25.6
630 15 20 54 400 360 2. 06 1.83 38.8 33
710 15 20 54 480 420 3. 32 2.9 46.5 39.4
800 15 24 70 540 500 5. 87 4.8 67.8 52.7
900 15 24 70 600 560 9.3 7.9 86.6 70.3
1000 20 30 80 620 560 17.4 15. 7 128.8 115. 1

ZL type elastic pin gear coupling , elastic pin gear coupling , pin gear coupling , ZLL elastic pin gear coupling , BL type elastic rod pin gear coupling , elastic rod pin gear coupling , rod pin gear coupling ,
drum gear tooth coupling gear sleeve-flex coupling pin gear coupling , elastic gear coupling , gear coupling manufacturers , bulldog gear coupling ,
Dec-31-09
Supplier From Hebei, China
Jan-26-10
Supplier From Hebei, Xingtai, China
Sep-15-22
 
CL Drum Gear Coupling Suitable for connecting two horizontal coaxial axis drive shaft system, with a certain Angle to compensate the relative offset performance of two shafts drum tooth coupling, working environment temperature -20 80C, transmission nominal torque is 0. 4-4500KN-m


universal joint forjcb 3dx  sinotruk howo universal joint  drum gear tooth coupling gear sleeve-flex coupling pin gear coupling , elastic gear coupling , gear coupling manufacturers , bulldog gear coupling ,
Sep-15-22
 
Snake Spring Coupling Housing is suitable for coaxial axis drive shaft system, with certain compensation performance of angular, radial and axial offset between two shafts, operating ambient temperature -30 150C, transmission torque 45-800000N m.


The Basic Parameters And Main Dimensions Of The Snake - Shaped Yellow Coupling mm

Model Nominal Torque Tn
N m Allowable speed r min Shaft hole diameter d mm Shaft hole length L
mm Overall length Lo
mm L, mm D mm Clearance C mm inertia moment  I
kg. m2 Weight
kg
JSA1 45 18 28 47 97 66 95 0. 0014 1.91
JSA2 140 4500 22 ã35 68 105 0. 0022 2. 59
JSA3 224 25 42 50 103 70 115 0. 0033 3. 36
JSA4 400 32 50 60 123 80 130 3 0. 0073 5. 45
JSA5 630 4350 40 56 63 129 92 150 0.0119 7. 26
JSA6 900 4125 48 65 76 155 95 160 0. 0185 10. 44
JSA7 1800 55 80 89 181 116 190 0. 0451 17. 70
JSA8 3150 OvvU 65 95 98 199 122 210 0. 0787 25. 42
JSA9 5600 2000 75 110 120 245 155 250 0. 1780 42. 22
Sep-15-22
 
Swc Ch Type Long Telescopic Welding Integral Fork Head Cross Shaft Universal Coupling Basic Parameters And Main Dimensions (GB5513-91)






(H7) D, L n-d k t b(h9) g Ln WK lOOnin y
SWC180CH1 180 12.5 6.3 W25 200 925 155 105 114 110 8-17 17 5 0. 181 0. 0070 74 2.8
SWC180CH2 700 1425 0.216 104
SWC225CH1 225 40 20 W15 220 1020 196 135 152 12( 8-17 20 5 32 9 0. 561 0. 0234 132 4.9
SWC225CH2 700 1500 0. 674 182
SWC250CH1 250 63 31.5 W15 300 1215 218 150 164 140 8-19 25 6 40 o r 1.016 0. 0277 190 5.3
SWC250CH2 700 1615 1. 127 235
SWC285CH1 285 90 45
Sep-15-22
 
Snake Spring Coupling Housing is suitable for coaxial axis drive shaft system, with certain compensation performance of angular, radial and axial offset between two shafts, operating ambient temperature -30 150C, transmission torque 45-800000N m.
The Basic Parameters And Main Dimensions Of The Snake -Shaped Yellow Coupling

Model Nominal Torque Tn
N m Allowable speed r/min Shaft hole diameter d mm Shaft hole length L
mm Overall length Lo
mm L, mm D mm Clearance C mm inertia moment  I
kg. m2 Weight
kg
JSA1 45 18 28 47 97 66 95 0. 0014 1.91
JSA2 140 4500 22 35 68 105 0. 0022 2. 59
JSA3 224 25 42 50 103 70 115 0. 0033 3. 36
JSA4 400 32 50 60 123 80 130 3 0. 0073 5. 45
JSA5 630 4350 40 56 63 129 92 150 0.0119 7. 26
JSA6 900 4125 48 65 76 155 95 160 0. 0185 10. 44
JSA7 1800 55 80 89 181 116 190 0. 0451 17. 70
Sep-15-22
 
Snake Spring Coupling Housing is suitable for coaxial axis drive shaft system, with certain compensation performance of angular, radial and axial offset between two shafts, operating ambient temperature -30 150C, transmission torque 45-800000N m.

The Basic Parameters And Main Dimensions Of The Snake - Shaped Yellow Coupling mm

Model Nominal Torque Tn
N m Allowable speed r/min Shaft hole diameter d mm Shaft hole length L
mm Overall length Lo
mm L, mm D mm Clearance C mm inerti moment  I
kg. m2 Weight 
kg
JSA1 45 18 28 47 97 66 95 0. 0014 1.91
JSA2 140 4500 22 35 68 105 0. 0022 2. 59
JSA3 224 25 42 50 103 70 115 0. 0033 3. 36
JSA4 400 32 50 60 123 80 130 3 0. 0073 5. 45
JSA5 630 4350 40 56 63 129 92 150 0.0119 7. 26
JSA6 900 4125 48 65 76 155 95 160 0. 0185 10. 44
JSA7 1800 55 80 89 181 116 190 0. 0451 17. 70
JSA8 3150 OvvU 65 95 98 199 122 210 0. 0787 25. 42
JSA9 5600 2000 75 110 120 245 155 250 0. 1780 42. 22
JSA10 8000 2250 80 120 127 259 162 270 0. 2700 54. 45
JSA11 12500 2025 90 140 149 304 192 310 0.5140 81.27
JSA12 18000 1800 110170 162 330 195 346 0. 9890 121.00
JSA13 25000 1650 120200 184 374 201 384 1. 8500 178. 00
Jul-17-19
Supplier From Hebei, China
Jul-21-06
Supplier From Hebei, China
Nov-02-22
Supplier From Hebei, Asia, China
Jun-04-24
Supplier From Hebei, Aisa, China
37 Automobile Tyre Changers Suppliers
Short on time? Let Automobile Tyre Changers sellers contact you.