Small make up to bring you the silicone
purse, silicone bluetooth speaker set of silica gel process, dongguan silicone factory
Silicone rubber vulcanization process is not a complete, but in two stages, rubber (under pressure
Such as mold vulcanization, direct steam vulcanization vulcanizing tank, etc. )
Or pressure (
As the hot air continuous vulcanization)
Heat styling, called a sulfide (
Or finalize the sulfide)
High temperature curing in the oven, in order to further stabilize the physical properties of vulcanizates of various, called secondary sulfide (
Or after vulcanization)
Appropriate control the amount of curing agent and foaming agent, in order to make foaming speed match the curing rate.
Increase the amount of foaming agent, will increase the hole hole sponge, lower density;
Increase the amount of curing agent will narrow the hole hole sponge degrees, increasing the density, produce thicker wall of hole.
In addition, the curing temperature has a great influence on the sponge hair hole is also.
The material of the silicone mobile phone sets of many, we have a few kinds of common friends, is a kind of leather, leather used to benefit is a gentleman, generous, don't wear mobile phones, good heat dissipation, but not waterproof, and mobile phone holster is bigger, is not convenient to put in the pocket.
Crystal shell, although is very delicate and pretty, glittering and translucent get rid of.
But it is easy to cause the mobile wear.
The main wear phone four angles, silicone mobile phone sets, silicone products with high temperature resistant properties, good electrical insulation, wear resistance, resistance to fall off, can print pattern, the main is the price low price comparison and so on merits.
But the air permeability is not good, easy to stick dust.
Intermediate inspection is the key to find and solve the major quality problems.
Therefore, maintain the normal operation of the machine, mold good working state, strengthen the operation of the operator and qc personnel skills and quality consciousness training is the key to reduce production bad, is also the enterprise benefit.
The silicone purse, silicone bluetooth speakers.
Therefore, organic silicon is hydrophobic, water in the polydimethylsiloxane (
Contact Angle on the surface of the model is higher, 1 °.
Due to the hydrophobic, in the case of lack of surface active agent, silicone do not react with water medium, only in the environment of the alkali or acid will react.
Low compression set.
Mainly USES the vinyl silicone rubber, with vinyl special organic peroxide as curing agent, when the compression ratio is 30%, the compression under 150 ℃ for 24 ~ 72 h after the permanent deformation of 0% ~ 15% (
Ordinary silicon rubber is 20% ~ 30%)
Heat shrinkable type.
Vinyl silicone rubber added with a range of melting temperature or softening temperature of thermoplastic materials, silicone rubber heat shrinkage rate could reach 35% ~ 50%.
There is no secondary sulfide type.
Using vinyl quality score higher vinyl silicone rubber, raw rubber and compound control through the ph value, adding special additives.
The silicone purse, silicone bluetooth speakers.
Silicone pressure sensitive adhesive and its adhesive tape commonly used in printed circuit board (
In the process of production and assembly.
This requires not only to withstand high temperatures (pressure sensitive adhesive
A short period of time 270 ℃)
And low surface energy of the interface bonding moisture, also has lower dielectric properties.
Silicone pressure sensitive adhesive is also a large number of protective coating applied to electronic components, the protective coating is composed of multilayer structure, each layer and respectively gives the performance of the protective coating is unique.
Dongguan jiahao honey products factory, silica gel products production and processing, mould design, dongguan silicone products are: silica gel plates, silica gel pad, silicone purse, silicone bluetooth speaker set, silicone, silicone kitchenware, silicone products, silicone gifts custom design manufacturers.
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