Home > Products > Silicone mouldmaking material > silicone rubber for gypsum statues mold making silicone rubber
silicone rubber for gypsum statues mold making silicone rubber
- 2 Kilogram / Kilograms per Month
- guangzhou
- T/T
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Product Details
Place of Origin: | China | Brand Name: | HOMEEN | Model Number: | RTV-1167 |
Product Description
Our service
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 .
silicone rubber for gypsum statues mold making silicone rubber
RTV-2 Silicone Rubber for Molding is generally named as two-part room temperature cure silicone rubber, exceptional fluidity and good operability. When mixed with 2% curing agent, they can still be operated within 30 minutes, but will be formed after 4-6 hours. with resistance to deformation, high temperature, acid and alkali, and expansion. flexible molds are used for mold duplication and delicate mold making for poli crafts, resin crafts lighting and candle mold, etc.
Features
1. Extreme long life span
2. Food grade material
3. Anti-aging
4. Excellent hand feeling
5. Colorful
6. Resist extreme temperature
7. Non-toxic, tasteless, non-corrosive, anticoagulant
8. Good compatibility with a lot of different materials
9. Different shape ,dimensions and hardness
Advantages of liquid silicone rubber
- Good fluidity. Ensures convenience of operation.
- High tear resistance strengh, which promises many times of reproduction without damage to the mold.
- Low shrinkage, which enables you to precisely cast your products without deformation.
- Non-toxic, with FDA certificates.
Rraw material
Composition of silicone rubber
1 Components:
a.Dimethyl, methylvinyl siloxane, trimethyl terminated:30~60%
b.reinforcement filler:30~60%
2.Chemical Structure:
m and n showed the number of reference monomer in the polymer chain. The hardness of the cured silicon rubber was mostly determined by the numerical value of n, but also the crosslink density and the reinforcement materials.
3. Temperature resistant:
The silicone rubber has good performance between -50℃ and 200℃ in a long period,
and can be used under 220℃ momentarily.
4.Food Contact:
Friendly to body and environment.
Up to RoHS standards and GB4806.1-1994 The Standards of Silicone Rubber
Product used for food contact products
5. Excellent physiological inertia, non-toxic, tasteless, non-corrosive, anticoagulant, good
compatibility with a lot of different materials , silicone rubber is able to be made into different
shapes , dimension and hardness.
Substrate preparation
Surface of the original should be clean and free of loose material. If necessary, use suitable release agent.
Mixing
Weight 10parts of base A and 1 parts curing agent B in a clean container, then mix together until the curing agent is completely dispersed in the base. But do not mix for a extended period. Entrapped aid should be removes in a vacuum chamber, allowing the mix to completely expand and then collapse. A volume increase of three to five times when occur on vacuum deairing the mixture, so a suitably large container should be used.
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 3 months from the date of manufacture.
HOMEEN is a leading chinese manufacturer for one component and two components silicone sealant ,which are widly used in craft ,LED,Solar PV ,consumer electronics ,automobile,etc.Our products include silicone rubber, RTV-2 mold making silicone, RTV liquid silicone rubber,thermal conductive silicone potting compound,electronic silicone conformal coating,silicone encapsulant,electronic silicone sealant,general purpose neutral silicone sealant,gasket silicone sealant .For more information about our silicone sealant ,pls contact
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 silicon rubber for mold making ,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℃).
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Contact Us
- Zhaoqing Haoming Organic Silicon Material Co., Ltd.
- Contact nameMandy Hong
- Phone86-0757-82711866
- AddressLian Tang Industrial District, Lian Hua Town, Ding Hu District, Zhaoqing City, Guangdong Province, China. Zhaoqing,Guangdong
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