formula

Component dosage /g component dosage /g
Castor oil polyurethane prepolymers
Modified polyurethane solution (30%) 1 solvent (tetrahydrofuran or toluene, methyl ethyl ketone, etc.)
quicklime
1 modified polyurethane solution (30%):
Component dosage /g component dosage /g
Toluene diisocyanate 22 Dibutyltin dilaurate 0 to 0.5
Ethylene glycol 5.6 dimethylformamide 105
Aliphatic Epoxy Resin D-17 51 Tetrahydrofuran 105


Preparation and curing Preparation of modified polyurethane Dissolve epoxy resin in tetrahydrofuran and dimethylformamide first, and react with toluene diisocyanate and ethylene glycol at a certain temperature for several hours. Add catalyst Dibutyltin dilaurate Accelerate the reaction.

When used, the prepolymer, modified polyurethane solution, quicklime, and glycerin are mixed evenly, and it is determined whether or not to add a solvent according to the conditions of the gluing. Solvent is allowed to evaporate after gluing. After the viscosity is increased, bonding is performed. Curing at room temperature requires 2 to 7 days.

Application The rubber adhesive layer has good flexibility and plasticizer resistance, and is suitable for bonding between soft polyvinyl chloride or metal, non-metal and other materials, and is particularly suitable for bonding on wet surfaces.



Source: 21st Century Fine Chemicals Network

Measuring Spoon Set

High quality Measuring Spoon Set ,suitable for kitchen ,and useful for cooking and baking ,different capacity can help you cook more delicious food. Some of our measuring spoon set with the silicone handle ,which it more comfortable when use it.

Measuring spoon set can combine the cup set or the Mixing Bowl Set to sell. Useful for baking or cooking.

Welcome to provide your requirement and ask for more details.

 

Description of Measuring Spoon Set

 

Material:SS201/SS304

Handle :some items can add silicone handle

Finishing: Satin polishing ,Mirror Polishing ,Color painting

Logo: Laser logo, Etching logo, Silk printing logo, Embossed logo, Decal logo

MOQ : 2000 PCS

Packaging : White box, Mail box or Customized package

Sample Time : 7~10 days

Lead Time :60 days after have the deposit

Payment: T/T ,L/C or others

Payment term: 30% deposit before production and 70 % balance against the copy B/L

 

 measuring spoon set measuring spoon setmeasuring spoon and cup set

 

FAQ:

 

1:How can I get the sample?

We can provide the sample for customers to check the quality.

Please kindly provide the delivery info for calculate the sample cost. If you have DHL /TNT/UPS/FEDEX account, please also kindly provide it to us.

You can do the payment of sample via T/T and PayPal.

2:How about the sample time?

Usually the sample time is 7~10 days after have the sample cost.

 

3:How long will it take for mass production?

Usually 45~60 days after have the deposit.

 

4:Can we have our logo or company name to be printed on your products or the package?

Welcome OEM.

 

5:what certificate can you provide?

CE,CB,GS,FDA,LFGB,ROHS are available here.

 

6:How can we get your monthly new products announcement?

Please join our mailing lists.

Measuring Spoon

Measuring Spoon Set,Stainless Steel Measuring Spoon,Measuring Spoon With Silicone Handle,Stainless Steel Measuring Spoons Set

Jiangmen Wellway Houseware Co.,Ltd , http://www.wellwayhouseware.com