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Help CenterTwo Parts High Temperature Acetic Raw Material Price Silicone For Led Chip
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Two Parts High Temperature Acetic Raw Material Price Silicone For Led Chip Features
Transparent.
Room temperature cure or rapid hot cure.
Low shrinkage.
Stable and flexible from -50℃ to 250℃.
Parameters
Item | HM-E-340 | |
| A | B |
Color | transparent | transparent |
Mixed ratio | 1 | 1 |
Viscosity /mPa·s | 700 | 650 |
Specific gravity | 0.97 | |
Curing time | 2h/60℃ | |
Operation time | >120min/25℃ | |
Hardnees /Shao A | 20~40 | |
Tensile Strength/MPa | 0.3 | |
Dissipation factor | 0.003 | |
Dielectric constant | 3.0 | |
Volume resistivity /Ω·cm | 1015 | |
Dielectric strength/kV/mm | 18 | |
Refractive index | 1.41 | |
Note: The sample was prepared at 25℃.
Mixing
The two components should be thoroughly mixed using a weight or volume ratio of 1:1 until the mixture has a uniform color. Vacuum de-air is recommended. A residual pressure of 10-20 mm mercury applied for 5-10 minutes will sufficiently de-air the material.
Pouring the mixture and curing
Pour the mixture onto the original as soon as possible, avoid air entrapment the catalyzed material would cure to a flexible rubber within 24 hour at room temperature and then the mould can be removed. If the work temperature is significantly low, the cure time would be longer. Heat accelerating the cure is possible, but this will produce some apparent shrinkage of the mould due to the difference in volume contraction on cooling between the silicone rubber and original.
Inhibition of cure
All addition-cured silicone elastomers are suspect to cure inhibition when contact with certain materials and chemicals. Inhibition has occurs if the elastomer is only partly cured after 24 hours or has a sticky suface in contact with another material. Amines and sulphur-containing materials are strong inhibitors, as are organotin salts used in condensation cure silicone elastomers. Mixing containers, originals and release agents should be checked for any inhibition effect before use.
Usable life and storage
Base A and curing agent B has a shelf life of 12 months from the date of manufacture.
Product application
Service
1. We provide whole set technical file.
2. We offer customized product due to different demand, especially some special property.
3. Welcome to discuss with us about product and solution.
Remark
Completely cured sealant is non-toxic, but do not directly contact with eyes or kids. Should keep ventilate when applying. We suggest that before applying, customer had better have a test to make sure our sealant can highly meet your demand.
1. What are the normal package ?
100 ml /300 ml /2600 ml /18.9 L for one part silicone sealant
1 kg /tin for heat sink compound
20 kg / barrel for two parts potting compound
2. Normal application temperature ?
Normally it's -50C - +180C ,depends on specific item .
3. Does your silicone sealant corrode metal and plastic ?
No, it doesn't .All of our silicone sealant are neutral .
4. What kind of silicone sealant are you selling ?
We are selling neutral silicone sealant for LED ,automobile ,Solar PV ,consumer electronics ,craft ,etc
5. Are your silicone sealant Eco-friendly ?
All of our silicone sealants are Eco-friendly ,they have gone through RoHS, REACH tests every year .Some have UL certificates .
6.What is the Shelf life of your silicone sealant
When stay unopened, shelf life is six months from the date of manufacture, keep in cool and dry place (-20℃~27℃).
1. We have been in silicone sealant industry for more than 10 years
2. We have supplied our silicone sealant to many famous brands in and out of China ,which include Philips India ,Videocon ,Midea ,Galanz ,Nationstar ,FOXCONN ,etc .
3.Haoming provide comprehensive range of electronic silicone sealant ,which are widly used in LED ,Solar PV ,automobile ,consumer electronics ,etc .
4. We have a professional R&D team ,products have stable quality .
Send Inquiry to This Supplier
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