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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Hong Ye Silicone Rubber
  • Model Number: 620 Silicone Rubber for Candle Mold
  • Sample: free
  • Features: liquid silicone rubber with two parts
  • other usuage: for chocolate/cake/plaster mold making
  • Purity: 100%
  • Shelf life: 12 Months
  • Mixing ratio: 100:4
  • HS Code: 39100000
  • Color: White(adjustment)
  • Certificate: RoHS.MSDS.SGS ISO9001:2000
  • Application: medical grade liquid silicone for orthotic shoes insoles

Packaging & Delivery

Packaging Details 1kg/Jar,5kgs/Jar,20kg/drum,25kgs/drum,200kgs/drum of Silicone Rubber for Candle Mold
Delivery Time Shipped in 5 days after payment

   

Silicone Rubber for Candle Mold

 

 

 

Product Description

Descriptation of Silicone Rubber for Candle Mold

 

HY-620 is a kind of room temperature vulcanized silicone rubber in condensation type. It’s generally named as two part silicone rubber , Part A is a flowable liquid, part B is the curing agent or catalyst . Its mainly used for mold making With two component silicone rubber part A and part B, mixing ratio is 100: 4. Generally the color is white.

 

Specifications of Silicone Rubber for Candle Mold

An exceptional fluidity and good operability, easy to demold

A kind of soft silicone

Good tensile strength and tear strength

Cure at room temperature

Good flexibility

 

Good duplication times

  

Datasheet

 

 

Datasheet of Silicone Rubber for Candle Mold

 

Model

HY-620

color

White

Mixing ratio(%)

100:4

Pot life (mins,under 25)

20-40

Curing time (hrs,under 25)

4-5(hrs under 25℃)

20-30 (mins under 60℃)

Hardness (Shore A)

20±2

Viscosity (After A/B mixed,mPa.s)

17000±2000

Tensile-strength  (MPa)

4.8±0.5

Tear-strength (kN/m)

29±5

Shrinkage rate (%)

≤0.3%

Elongation(%)

400%

 The color, working time and curing time can be adjusted as clients demanding

 

operation way
Operation Way(brushing) of Silicone Rubber for Candle Mold
1.Prepare all the tool for making silicone mold: plaster products, board, silicone rubber, release agent(Vaseline, soap water, detergent, liquid paraffin). then polish and smooth the plaster products,clean the surface and dry it for if you do not do that,the silicone mold will be striate and unsmooth.when you finished it, Choose the right parting mold-line, normally the mold can be made 
in two pieces and also can be multi-pieces for complex products, then it is better for us to draw the molded line on the model(Notes: position the mold line on the top of the model when drawing, and run around the face and eyes of the animal model as much as possible.). Then we need to brush the release agent on the plaster products and board to make it easy to demould.
 
2. Weight Part A and Part B in Electronic scale according to the mixing ration. The mixing ration of the condesation cure silicone rubber is 100:4 and the mixing ration of the addition cure silicone rubber is 1:1 or 10:1. It must be accurate for if it's wrong, it will cause the problem of uncure. For example: For condesation cure silicone rubber, we take 100g part A, then we need to take 4g part B to mix it. For addition cure silicone rubber, we take 100g part A, we need to take 10g or 100g part B to mix it, which depends on the mixing ration is 1:1 or 10:1.
 
3.Mix part A and part B evenly. If no, the silicone mold will be partly solidified. what's more, it will affect the duplication times, even causing the waste of silicone rubber, which means that we need to take the new material to do the silicone mold again.
 
4.Vacuum pumping under-0.1mpa. To make the silicone mold perfect, we need to use vacuum machine to release the air bubbles. we put the mixtuer into vacuum machine when we mix it evenly for 3-5mins. If the time is too long, it will cause cross linking reaction,which means the silicone cured in the vacuum machine and we need to take the new material to do the silicone mold again.
(PS: if we do not have vacuum machine, there is two way to relese the bubble. First, we can extend the operating time of the silicone rubber, letting it contact the air. it will be better. Second, for the condensation cure silicone rubber, we can reduce the mixing ratio of catalyst from 4% to 2-3%, then the reaction of mixture( part a and part b) will be slower and the bubble will be exhausted by itself.
 
 
5.Brushing,first layer. when finished the step 4, then webrushing the silicone rubber on themold.Normally the first layer is brushed thinly to cover the 
model and the clay, so it should not be too thick.(PS: we must brush the silicone evenly, otherwise it can not replicate the pattern completely and affect the beauty of the products)
 
6. Brushing, the second layer.Brush the second layer of silicon rubber till 
the first one is cured. Normally the second layer should be 3-5mm,
Cover a gauze or cloth on it when the second cross linking reaction goes on, and use a brush pen or a brush to avoid any interstices. Evenly brush the third layer of mixed silicon rubber on the gauze or cloth This step will longer the mold using age, tear-strength,tension strength and duplication times.
(PS: according to the size of the products, add one more layer of gauze. Usually, it will not cover more than 2 layers of gauze) 
 
7. Outer mold. After the silicone cured, then we can make a outer mold for plaster.
Way 1: Make a square frame with four pieces of wooden boards, and make sure the wooden boards are fixed firmly, then pour the mixed liquid plaster(or other material) into the frame. Shave the plaster-made outer mold with a scraper 
when the plaster is going to cured.
 
Way 2: brushing resin on the surface after silicone mold, Cover a gauze or cloth on it, then brushing the resin again. Repeat the operation for 2-3 times
 
9.Demoulding. If the operate time is 30-40 mins, then the curing time will be 4-5hrs under 25 degree. Usually the cure time is the 6 times of the operate time. so after 4-5 hrs later,we can demould the silicone mold. but we suggest that it will be better to use it after 24 hrs.(ps: if we want the silicone mold looks beautiful, we can use the scissors to trim it). 

Liquid silicone, silicone rubber, molding silicone,silicone,silicon,rtv,lsr

 

Liquid silicone, silicone rubber, molding silicone,silicone,silicon,rtv,lsr

Contact Us :

 

Hong Ye Jie Technology Co., LTD.

Contact me:  Lily

Email: hyxe(at)szrl.net

QQ:2355542520

Mob/whatsapp: +8618938867596

TradeManager: cn206879001

Website:www.szrl.net

Address: Building A, No.3, Hongling First Road, Liulian Shibi, Pingdi Street, Longgang District, Shenzhen, Guangdong, 518117, China

 

 

24 hrs online

TradeManager: cn206879001

Liquid silicone, silicone rubber, molding silicone,silicone,silicon,rtv,lsr

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Liquid silicone, silicone rubber, molding silicone,silicone,silicon,rtv,lsr

 

 

 
FAQ

 

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Questions & Answers

 

 

Hong Ye Jie Technology Co., LTD.

Contact me:  Lily

Email: hyxe(at)szrl.net

QQ:2355542520

Mob/whatsapp: +8618938867596

TradeManager: cn206879001

Website:www.szrl.net

Address: Building A, No.3, Hongling First Road, Liulian Shibi, Pingdi Street, Longgang District, Shenzhen, Guangdong, 518117, China

 

 

24 hrs online

TradeManager: cn206879001

 
 
Any interest, pls leave your message, free sample are available for your testing.
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