The difference between sealants 703 704 705 706 708

Introduction The difference between 703 704 705 706 and 708 sealants is that 704 is stickier than 705 and is more suitable for bonding. 705 is more brittle after curing. I use 703 and 708 II

The difference between sealants 703 704 705 706 708

704 is stickier than 705 and is better suited for gluing. 705 is more brittle after curing. I use 703 and 708, both milky white. I like to use 708. I feel like the thicker one sticks firmly and builds up easily. 703 is too thin and cannot be accumulated, so it is suitable for gluing panels.

From this table, it seems that these types should actually be considered the same type, with similar main functions. There may be slight differences in individual properties such as bond strength, operating temperature and viscosity.

Silicone rubber 703

1. Product use: The product adopts a new curing system and uses composite coupling agent as the cross-linking agent compared with similar products at home and abroad. , it has better It has the advantages of excellent adhesive performance,e long shelf life and absence of pollution. It has been widely used in more than ten industries, including electronics, instrumental aviation, chemical industry, light industry, machinery, household appliances, military industry and scientific research departments.

2. Product appearance: milky white viscous liquid

3. Product performance:

①When surface curing: 5~30 (minutes), swelling resistance: 1.﹥2kv/cm2, temperature resistance: -60~150℃, elongation: 250 %, shear resistance: 1kg/cm2, volume resistance; 2.5×101.3Ω/cm, dielectric constant: 3.4 (1MHX) Breakdown voltage: 16kv/mm.

② It can be transformed into different colors such as black and gray according to user needs. This product is suitable for bonding, sealing, impact protection, potting, etc. electronic components, optical instrumentsues, chemical equipment, chemical pipelines, electric heaters, instruments, medical devices, etc. televisions, solar energy and other various seals

Silica gel 704

Product appearance: milky white and black viscous liquid

1. Product Description: Silica gel 704 is. a kind of adhesive with good adhesion, one-component vulcanized silicone rubber with high strength and non-corrosive at room temperature. It has excellent electrical insulation, waterproof and aging resistance properties, and can be used for a long time in the range of -50 to +250. Mainly used for bonding, sealing, potting, fixing, coating, etc.

2. Typical uses:

This product can be used as a sealing, bonding, insulation, moisture-proof and vibration-resistant material, and as a bonding material for electronic components, equipsemiconductor coatings, electronic and electrical equipment and sealing materials; it can also be used as sealing materials for aircraft cockpits, instrument cabins and associated parts in machinery manufacturing. manufacturing and other industries.

3. Usage process:

1. Clean surface: clean the surface of the glued or coated object and remove rust, dust, oil, etc.

> 2. Paste: unscrew the pipe cap, install the nozzle in plastic, use a blade to open the nozzle to the required size and squeeze the glue onto the area to be glued

3 Curing: Place the painted parts on a stable place. The curing process takes place from the surface inwards within 24 hours (room temperature and 55% relative humidity), the glue will solidify to a depth of 2-4mm. the part is deep, especially not easy to access aerial part. THEFull curing time will be extended if the temperature and humidity are low, the curing time will also be prolonged.

Transparent silica gel 705

1. Product appearance: Transparent silica gel 705 is viscous color

2. solvent-free and pollution-free., No corrosion, temperature resistant -60--+200℃, cured at room temperature, good transparency. It has excellent electrical insulation and arc resistance properties, and is resistant to moisture and impact. It is widely used in potting electronic components, instruments, chemical industry, light industry, machinery industry and adhesive sealing of wires and cables and other fields.

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