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Please help identify this latex core 21 Mar 2019 03:35 #1

Hi, I have a problem with an expensive latex mattress I bought, problem is the core is like a rock and the wife has told me to throw it out and get a new mattress. I don't want to put a 3k mattress in the bin. First step I'm trying to do to fix this is confirm I got what they said they were selling me, if it's not I can demand a refund. If it is then I'll have to start working out how to fix this (if that's even possible). I was told the core is a 7 inch LatexCo 100% natural rubber core manufactured in Belgium, it is supposed to be a medium feel core with a rubber density of 70 to 75kg/M3 (sorry about the metric measurements, I'm in Australia). I've attached a picture of the label attached to the core. Can anyone confirm this core matches the description I was given?
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Please help identify this latex core 21 Mar 2019 15:26 #2

Hello Silverbull

Thank you kindly for your inquiry. Unfortunately I am not familiar with this label, nor do I know what the numbers mean. This maybe because it was produced at a different manufacturing plant than that of the latex we carry. I would call LatexCo directly to get more information about this particular core, as well as what company makes it. If you can find out the source of the latex, you maybe able to call that source directly. For example, the Dunlop latex we offer is from Latex Green, and the Talalay is from both Radium Foam and Talalay Global (the only two manufacturers of Talalay in the world). These latex manufacturers are accessible by you the customer if need be.
Good luck, and please keep us posted as to what you find out. Thanks again for sharing.
Latex Mattress Factory
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Last edit: by Latex Mattress Factory..

Please help identify this latex core 21 Mar 2019 21:40 #3

Thanks for the response. I have contacted LatexCo by their online enquiry form before submitting this post, hopefully they will respond. Also hopefully someone else may read this post and be able to identify the core.

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Please help identify this latex core 22 Mar 2019 03:38 #4

If I assume the mattress is genuine, then the metric weight of 70 to 75kg/m3 converts to 4.4 to 4.7lb/ft3. Would this density normally be considered medium feel? I'm 176lb and my wife is 132lb. The core is 7 inch with a 2 inch soft latex layer on top. We are both side sleepers and pretty much just fall through the soft layer and hit the hard core which doesn't seem to flex much at all.

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Please help identify this latex core 22 Mar 2019 20:22 #5

According to Savvy Rest, and several other sites: "Very soft latex density is 60 kg/m3. When latex is 95 kg/m3, it will be very firm. And there is everything in between."

So yes, I would assume that's a "medium" feel. Feel is very subjective. I'm also a side sleeper. For me a medium (28-32 ILD) with 3" of soft (20-24 ILD) would be much too firm.

What is on top of this core? There are many options for toppers that would soften the feel of the mattress.

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Please help identify this latex core 23 Mar 2019 15:05 #6

Thanks for responding lotus. We have a 2inch "soft" Dunlop latex topper over the core also made by LatexCo, it's all contained internally in a zip up bamboo cover. Unfortunately the seller has no weight or ILD info on the topper, just it's "soft". The initial seller gave us another 2 inches of same soft topper to try and fix the issue for us but we found then that 4inches of soft topper we sagged in and got sore back so no doubt the topper is soft and too thick caused a different problem. Where i'm stuck is that if the core is all medium then adding say a 3inch medium layer under the 2inch soft topper would just be same as the core hardness?

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Please help identify this latex core 23 Mar 2019 18:25 #7

Hello Silverbull

Unfortunately it is hard to offer precise feedback without truly knowing the ILD ratings of each foam piece. If the current core is too firm as it is, I would call the same company and ask for a 2" topper that is lower in density. I find it interesting that they are unable to tell you what the ILD rating is. This makes it much more difficult to 'hone' in on the contour and support you are needing. If you could find a company that could offer specific ILD ratings, I would ask for a 2" layer between the ranges of 19 to 22ILD. This range would be an actual soft, and should provide the contour you are needing on your firmer core.
Latex Mattress Factory
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Please help identify this latex core 24 Mar 2019 03:32 #8

Thanks, I'll do some more work to try and determine ILD of both layers I have. Unfortunately in the Australian market no stores quote or talk about ILD, they just sell firm, medium and soft. I know LatexCo Singapore is the supplier so if I don't get an answer to my online enquiry from LatexCo over the next couple of days I'll start calling their Singapore office. Good news is that I can buy some toppers with specific ILD's from at least one of the member sellers of this site via Amazon global store and get free delivery with my Prime membership, can only find Dunlop though, no talalay which is likely to be the best option for at least my wife's side. Anyway I'll come back and post some more info when I get some. Thanks heaps so far!

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Please help identify this latex core 24 Mar 2019 13:47 #9

Thank you Silverbull for all the information! Good luck with your search. Please let us know if we can be of any further assistance during your latex shopping endeavors! We appreciate you keeping us posted!
Latex Mattress Factory
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Please help identify this latex core 28 Mar 2019 06:07 #10

Hey siverbull,

Welcome to the Mattress Forum! :). I know Latex Mattress Factory has given you some good answers, but I just wanted to add a couple of details. This Latexco product is definitely manufactured in Belgium. And it is there "medium" which has consistently been 70-75kg/m3. The "18" is the 18cm height, which is what they call the 7" core for us metric dummies, (really 7.11 inches). I am checking with a friend of a friend to see if there is any indication of the "formula". The only place you may have a claim is that I am not 100% sure this is 100% natural formula. If I find additional info, I will let you know.

Thanks
Sensei
Sensei(@ TMU Team)
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