Name of test paper: Sulphite test paper Operation process Hangzhou Lohand Biological Co., Ltd is a professional company that manufactures and exports laboratory instruments and equipments. We have our own registered brand"LOHAND" and own factory, with strong R&D center, sales team, customer service team and QC team, which grows very fast and obtains good reputation in the markt. Our major products include: Refractometer, Test paper, pH meter, Electrode, TDS meter, Salinity meter, DO meter, ORP meter, Conductivity meter, Turbidity meter, Color comparison tube, test kit etc. Most of the products have CE certificate. All products can be customized according to buyers' special requirements. Q1: Why choose us?   Name of test paper: Sulphite test paper Operation process Hangzhou Lohand Biological Co., Ltd is a professional company that manufactures and exports laboratory instruments and equipments. We have our own registered brand"LOHAND" and own factory, with strong R&D center, sales team, customer service team and QC team, which grows very fast and obtains good reputation in the markt. Our major products include: Refractometer, Test paper, pH meter, Electrode, TDS meter, Salinity meter, DO meter, ORP meter, Conductivity meter, Turbidity meter, Color comparison tube, test kit etc. Most of the products have CE certificate. All products can be customized according to buyers' special requirements. Q1: Why choose us?   High Grade Acetic Gasket Maker
Feature: Gasket Sealer,Acetic Gasket Maker,Instant Gasket Sealant,Sealing Adhesives Cream Hunan Magpow Adhesive Group co.,ltd , https://www.magicglue.net
Features
1. Simple operation-using visual colorimetric method simple to operate, can be conducted by anybody without specialized training;Â
2. Efficient-test can be finished within 1Â minute, fast and efficient;Â
3. Measuring results are reliable;Â
4. Unique aluminum tube packing in China, plating antioxidation film, which can extend shelf life greatly (this is optional );Â
5. Small volume, light weight, easy to carry.Â
Scopes
Widely used in industrial, agricultural, experimental and outside on -site testing.Â
Â
Model: LH1023
Brand:Â Lohand
Measuring range:0-10-40-80-180-400mg/L
PackingÂ
No. of Tests:100 strips /box
Test methods :Test paper colorimetryÂ
Packing :100strips/inner plastic boxÂ
         1 inner plastic boxes /export cartonÂ
Remarks: it can be individual aluminum foil packing , alumnum tube packing etc .
 
1.Insert the reactive part of test paper into the testing liquid for 1 seconds;
2.Wait about 15 seconds and then compare the shown color with standard color chart ;
3.Normally , the sensitivity limit of test paper is 0.2 mg/L, for the testing liquid which is lower than this limit , you can use color comparison tube or test kit for testing ;
4.Normally , the color chart has 5 different color shades;
5.Special requirements can be customized which will take 1-2 weeks .
We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.Â
Company Information 
certification
FAQ
A: 1. We have our own factory with strong R&D center and QA team which can make sure your goods can be sent out on time and in superior quality.Â
2. We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.Â
3. We have purveyed customers with the lowest wholesale price.Â
Q2: How do you guarantee the quality?Â
A: One year's guarantee from date on B/L. Normally. If it's quality problem, we promise to return goods or funds.Â
Q3: Is OEM available?Â
A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.Â
Q4: Can we buy 1Â PC for sample testing?Â
A: Yes, we are glad to send 1PC for quality testing if we have stock of the model you required.Â
Q5: How to deliver the goods for trial order or small order?Â
A: For small order, we prefer to choose international express, such as DHL, TNT, EMS which are faster and more convenient for customer. Also, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.Â
Q6: What kind of payment your company accept?Â
A: T/T, WEST UNION, PAYPAL, etc.Â
Q7: If we have not found the model from website, what should we do?Â
A: Please email us with description and picture of the product, we research and develop new model every month, and some of them maybe have not been uploaded in website immediately. But If this is a new products for us, we can develop it for you after get all detailed information about your product. Â
Features
1. Simple operation-using visual colorimetric method simple to operate, can be conducted by anybody without specialized training;Â
2. Efficient-test can be finished within 1Â minute, fast and efficient;Â
3. Measuring results are reliable;Â
4. Unique aluminum tube packing in China, plating antioxidation film, which can extend shelf life greatly (this is optional );Â
5. Small volume, light weight, easy to carry.Â
Scopes
Widely used in industrial, agricultural, experimental and outside on -site testing.Â
Â
Model: LH1023
Brand:Â Lohand
Measuring range:0-10-40-80-180-400mg/L
PackingÂ
No. of Tests:100 strips /box
Test methods :Test paper colorimetryÂ
Packing :100strips/inner plastic boxÂ
         1 inner plastic boxes /export cartonÂ
Remarks: it can be individual aluminum foil packing , alumnum tube packing etc .
 1.Insert the reactive part of test paper into the testing liquid for 1 seconds;
2.Wait about 15 seconds and then compare the shown color with standard color chart ;
3.Normally , the sensitivity limit of test paper is 0.2 mg/L, for the testing liquid which is lower than this limit , you can use color comparison tube or test kit for testing ;
4.Normally , the color chart has 5 different color shades;
5.Special requirements can be customized which will take 1-2 weeks .
We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.Â
Company InformationÂ
certification
FAQ
A: 1. We have our own factory with strong R&D center and QA team which can make sure your goods can be sent out on time and in superior quality.Â
2. We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.Â
3. We have purveyed customers with the lowest wholesale price.Â
Q2: How do you guarantee the quality?Â
A: One year's guarantee from date on B/L. Normally. If it's quality problem, we promise to return goods or funds.Â
Q3: Is OEM available?Â
A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.Â
Q4: Can we buy 1Â PC for sample testing?Â
A: Yes, we are glad to send 1PC for quality testing if we have stock of the model you required.Â
Q5: How to deliver the goods for trial order or small order?Â
A: For small order, we prefer to choose international express, such as DHL, TNT, EMS which are faster and more convenient for customer. Also, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.Â
Q6: What kind of payment your company accept?Â
A: T/T, WEST UNION, PAYPAL, etc.Â
Q7: If we have not found the model from website, what should we do?Â
A: Please email us with description and picture of the product, we research and develop new model every month, and some of them maybe have not been uploaded in website immediately. But If this is a new products for us, we can develop it for you after get all detailed information about your product. Â
This product is one kind of sulfur Silicone Sealant with one acid component which could be applied at any climate and could take chemical reaction with the water in air rapidly. Good aging-resistant ability, high flexible, perfect performance of high or low temperature resistant. Several machine waster water resistant, good elastic. Color: transparent, black, grey, blue, red.
Main Component:
α, ω-Dyhydroxyl Methyl Silicone
Scope of application:
This product is used for sealing of car, gear case of motor, fore-and-art board, water pump , plane flange, cover board of other machine equipment.
Using Method:
1.Cleaning up the surface with the cotton fabric, guarantees the surface not to have the dust, the greasy dirt, the rusty stain and so on.
2.In order to obtain good outward appearance, paste the temporary protection adhesive tape , near the place to be pasted after clean the surface, pull out after paste glue.
3. Pierce the seal with the cap, cover the mouth, cut bevel the tube mouth.
4. Spread the sealant evenly on the place which need to be sealed or bonded. The operation should be continuously, guarantee the sealant continuously squeeze out at cylinder shape, move the glue mouth evenly and slowly, prevent the form of bubble or hole is move too fast.
5.The sealant form shape at approximately 10 minutes, when assembly maintains the gasket thickness, fold gathers the curing at normal temperature 24 hours.
Warning:
1. This product will release a few acetic acid in the solidification process, the working conditions should maintain ventilate.
2. Do not put within kid`s reach, non-toxic after solidifies completely, avoid eye contact before solidification, if touches the eye carelessly, use massive water to wash, if serious go to see a doctor.
3. When operation, must hold the glue steadily, cannot separate, guards against mixes in the air and form bubble , affects the seal effect.
4,After operation, take off the cap mouth immediately, close the packing cover tightly to prevent the moisture enter and cause solidification. Wipe off the glue left at glue mouth.
5,This product should be operated at temperature 5-40℃,relative humidity 40-80%
China High Sensitivity Sulphite Water Quality Test Strips Lh1023
Model NO.: LH1023
Origin: China
HS Code: 90258000
Model NO.: LH1023
Origin: China
HS Code: 90258000