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Liquid silicone rubber for baby nipple mold making

Liquid silicone rubber for baby nipple mold making

Shared by: Tess Coldwell from ALIEXPRESS
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Description

Liquid silicone rubber for baby nipple mold making

Advantages

1.Easy to use2.Use platinum catalyst3.Reproduce intricata details4.Resist tearing with repeated use 5.Provide good resistance to most chemicals6.Flexible to reduce demolding and stress problems7.Exhibit virtually no shrinkage when cured at room temperature8.Foe engineering desigh prototyping architectural fabrication and making transfer pads

Addition liquid Silicone Rubber forLiquid silicone rubber for baby nipple mold making

RTV silicone rubber Liquid Silicone Rubber is a kind of flowable liquid silicone the quality has nothing to do with the color. It consists of two components. Part A is a flowable liquid silicone rubber part B is the curing agent. Firstly after your previous work of dealing with the original model take some liquid silicone rubber add 2%-3% curing agent of the amount of silicon and mix them evenly. Then after vacuum-pumping the mixture you can pour it into the mold frame. The silicone mold will cured in 2-4 hours.

Description

RX-1300-35 mold making silicone rubber is a two-component material silicone rubber consisting of Part A base silicone and Part B organic tin curing agent cures at room temperature by a condensation reaction.These materials can be cast into the cured silicone mold:plaster polyurethane cement resin polyester wax etc..

Standard Datasheet ofPla catalyst liquid silicone rubber

ItemNO.RTV-1300-30RTV-1300-35RTV-1300-40RTV-1300-45Appearance(partA)transparenttransparenttransparenttransparentAppearance(partB)transparenttransparenttransparenttransparentRatio(partA+partB)10:0110:0110:0110:01Viscosity(Mps.s)80000800008000080000Potlift(mins)60606060De-moldingtime22221.51.51.51.5Density(gcm-3)1.11.11.11.1Hardness(ShoreA)30354045Elongationbreak(%)350350350350Tearstrength25252525LinearShrinkage(%)0.10.10.10.1Tensilestrength(Mpa)6.76.76.76.7

Mixing

Please weight 10 Part A base and1 parts of organic tin Curing Agent in a clean container.Thoroughly stir Part A base silicone before use as filler separation may occur upon prolonged storage. Mixing Part A and Part B evenly until part B completely dispersed in the base. Hand or mechanical mixing can be used but do not for an extended period of time or allow the temperature to exceed 35C. Mix suitably small quantities to ensure thorough mixing of base and curing agent.

It is strongly recommended that entrapped air be removed in a vacuum chamber allowing the mix to completely expand and then collapse. After a further 1€2 mins under vacuum the mix should be inspected and can be used if free of air bubbles. A volume increase of 3€5 times will occur on vacuum de-airing the mixture. So a suitably large container should be chosen.

How to make the silicone mold?

The surface of the original should be clean and free of loose material.If your products with thin flower patterns and especially with porous substrates pls use a suitable mold release agent such as soap water detergent waseline or petroleum jelly

Pouring the mixture and curing

Pour the mixed Part A base silicone and part B organic tin curing agent as soon as possible onto the original avoiding air entrapment.The catalyzed material will cure to a flexible rubber within 6 hours(or faster by different mixing ratio or room temperature) we advice you de-mold after 24 hours it is will improve the replicate times of silicone mold.

Storage

When stored at or below 30C in the original unopened containers RX-1300-35 Base and Curing agent have a usable life of 12 months.from the date of production.After 12 months stock pls use the Stir to mixing the Part A silicone for some mins then the silicone can be use again no influence for other performance.

Packing

1kg/drum 5kg/drum 20kg/drum 25kg/drum or 200kg/drum of Part A base silicone rubber.0.25kg/bottle 1kg/bottle and 10kg/bottle of Part B organic tin Curing Agent.

Sample1kg sample is free of charge from our side.

Promise of quality

If sample pass your test we promise that quality of goods will be 95% the same as sample.

Any questions welcone to contactIvy freely.

Ivy Tan

Mol:86-13421359156 Tel:86-755-29815831

Skype:ivy-tan55

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