K-7301W series - single component silicone dam sealant
- Description
-
Selection Guide for One-Component Silicone Dam Encapsulant
Pre-Curing Parameters
Parameter Item K-7301T
K-7302W
K-7302B
K-7302R
Model No. K-7301T
K-7302W
K-7302B
K-7302R
Appearance Color Translucent
Milky White
Black
Grey
Specific weight (g/cm³) 1.1±0.1
1.35±0.1 1.35±0.1
1.35±0.1
Curing time (100 ℃/min) ≤30min
≤30min
≤30min
≤30min
Curing time (120 ℃/min) ≤20min ≤20min ≤20min ≤20min Curing time (150 ℃/min) ≤10min ≤10min ≤10min ≤10min Post-Curing Parameters
Parameter Item K-7301T
K-7302W
K-7302B
K-7302R
Hardness (Shore A) ≥32
≥34
≥34
≥34
Tensile strength (MPa) ≥1.3
≥1.4
≥1.4
≥1.4
Shear Strength (MPa) ≥1.5
≥1.6
≥1.6
≥1.6
Elongation at Break (%) ≥250
≥220
≥220
≥220
Peel strength (N/mm) ≥15
≥12
≥12
≥12
Breakdown strength (kV/· mm) ≥18 ≥18 ≥18 ≥18 Volume Resistivity (Ω·cm) ≥2×10¹⁴
≥2×10¹⁴
≥2×10¹⁴
≥2×10¹⁴
Flame retardant grade UL-94 V0 level V0 level V0 level Temperature resistance range ℃ -55-250℃ -55-250℃ -55-250℃ -55-250℃ EU Compliance Standard RoHS / REACH Bondable Substrates Wear resistant, high temperature resistant, highly reliable, and excellent sealing effect, suitable for assembly line operations. It has excellent adhesion to plastic substrates including magnesium alloys, aluminum alloys, stainless steel, nickel/copper coatings, conductive paints, and those sprayed with conductive films Product Application Cases It has excellent weather aging resistance, UV resistance, ozone resistance, and good electrical insulation performance. Used for bonding, sealing, IC chip waterproof enclosure sealing double glue process for industrial devices, COB enclosure, enclosure and other processes to prevent the outflow of sealing glue and encapsulation glue Instructions for Use:
1. Clean the surface: Clean the surface of the 0R coated material to remove rust, dust, and oil stains.
2. Glue application: Different specifications of glue dispensing machines can be selected according to the size of the material being bonded. The glue has excellent extrusion performance and can be adjusted
Setting the relevant parameters of the dispensing machine can ensure uniform and fast dispensing, and smooth joints.
3. Suggested curing temperature and time: 130 ℃ * half an hour in an oven with air circulation or 170 ℃ * 5 minutes in a tunnel furnace.
4. Please use at room temperature to prevent high temperatures. After the product is taken out of the cold storage (refrigerator), avoid opening it immediately,
It should be left at room temperature for at least 4 hours before opening and using.
To maintain the normal quality of the adhesive, please store it in the refrigerator frozen (-20-0 ℃); Shelf life of 6 months
Notes:
After the glue application is completed, any unused products should be immediately sealed and stored by tightening the cap. When reusing, if there is a slight crust on the sealing area, it can be removed without affecting normal use.
2. Substances such as sulfur and phosphorus compounds, plasticizers, organotin compounds, ammonia or amine curing agents, heavy metals and their complexes may hinder the curing of the adhesive; Avoid contact with such materials during use to prevent quality abnormalities.
To avoid contaminating the original adhesive, do not pour any used adhesive back into the original packaging
Packaging specifications: 60 ml/tube, 160 tubes/box; 300 ml/tube, 30 tubes/box; 2600 ml/bottle, 4 bottles/box
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