ISO9001 ISO14001
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low modulus silicone sealant for car sealing and interior filling

SATOP® silicone sealant-681

low modulus silicone sealant
low modulus silicone sealant
low modulus silicone sealant

Description of low modulus silicone sealant

SATOP® 681 is a one-component, neutral silicone sealant, low viscosity, low modulus silicone sealant, good weather resistance oxime type room temperature vulcanization silicone elastomer sealant, has excellent weather resistance, water resistance, high temperature resistant performance.

Typical application of low modulus silicone sealant

SATOP® 681 has good elasticity and displacement deformation, it is widely used in automobile manufacturing and industrial industry. It is especially suitable for sealing and leakproof of automobile interior filling, floor filling, and steel skeleton of body car.


Data Sheet of low modulus silicone sealant

(Under 23 ℃ and 50% relative humidity conditions)

ColorTest standardBlackBlack
Appearance PastePaste
Specific Gravity(g/cm3)GB/T13477.2-20021.30±0.11.0±0.1
Extrusion rate (g/min)GB/T13477.4-2002120~200300~500
Droop rate(mm)GB/T13477.6-200≤3≤3
Tack free time(min)GB/T13477.5-20025~205~20
Cure speed (mm/24h)HG/T4363-2012≥2≥2
Hardness shore AGB/T531.1-200830~4512~25
Tensile strength(MPa)GB/T528-2009≥1≥1
Breaking elongation%GB/T528-1998≥300≥300
Temperature range ℃Short term-50~200℃-50~200℃



  1. 68101 black  300ml/cartridge  20cartridge/carton
  2. 68103 black  600ml/sausage  20sausage /carton
  3. 68131 clear  300ml/cartridge  20cartridge/carton  
  4. 68133 clear  600ml/sausage  20sausage/carton


Keep in cool and dryplace Temperature 5~25°C

Shelf life:12 month


  1. Cut nozzle to give the required angle and bead size,Pierce the membrane at the top of the cartridge and screw on the nozzle.Place the cartridge in an applicator gun and squeeze the trigger with equal strength
  2. Ensure that the sealant is in good contact with the bonded surface, please modify before surface curing. Once the package is opened, it must be used up in arelatively short time.

Attention of operation

  1. Do not contact the uncured sealant products with food and cosmetics;please use suitable industrial liquid soap and water to  
  2. clean Immediately when hands and exposed skin touch sealant. If sealant is not carefully entered into the eye, rinse immediately with plenty of water and consult the doctor. Put the product in a place where children can't touch it.
  3. Uncured SATOP® 681 can be removed from the tools or equipment with appropriate solvents.If sealant has been solidified, it can be removed using a scraper or other mechanical device.


The technical data of this paper are all typical values obtained under laboratory conditions.We are not responsible for the results of methods beyond our control.Because users use condition is different, different material surface state, curing conditions, storage conditions, transportation and other factors can make gum stability and physical and mechanical properties, the actual performance data has some changes are normal phenomenon.Before using this product,Validation is based on the data provided in this article.If you have any problems with the process, you can contact our technical service department and we will provide you with all the help. Our company reserves the right to modify the data in this article.




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