688 series is double components liquid silicone rubber, with the advantages of high strength, high elongation, high transparence, high shear strength and low linear shrinkage. It has the certificate of FDA, LFGB and EU.
This series mainly used for silicone products, such as nipple, bottle feeder, mould, adult products. medical equipments, sports products and silicone tableware etc.
1.Mixing: mix A and B components at a weight ratio of 10:1 or 1:1, it can be finished by hand or equipment.
2.Defoaming: the product need to be defoamed after mixing. The volume of sealant will be 4-5 times during the defoaming process, so the container should be 4-5 times bigger than the volume of mixing sealant, after about 10 minutes, when no bubble come out of the surface, the job is finished and the volume of sealant change to be normal instead of much bigger.
3.Surface treatment: liquid paraffin or surface active agent can be used as mold release agent on the contact surface of molds or materials.
4.Curing and mold releasing: curing temperature and time are depended on the process conditions.
The above information is based on our extensive experiments, results are reliable. However, because practical application is varied, we can’t control the application condition, users need to confirm whether the product is suitable by testing before mass production. Our company aren’t responsible for any direct, indirect or accidental loss when the products are used in specific condition. If user have any problem with our products, please contact with our technical service department, we will try our best to offer the most possible help
1. Sample: Sample is free for our valuable customer.
2. OEM: OEM service is provided for our valuable customer.
3. Welcome to visit our factory anytime.
4. Welcome to be our brand “TBL” distributor in your local place.