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rubber

Rubber, also called India rubber, latex, Amazonian rubber, caucho, or caoutchouc, as initially produced, consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds. Thailand and Indonesia are two of the leading rubber producers. Types of polyisoprene that are used as natural rubbers are classified as elastomers.
Currently, rubber is harvested mainly in the form of the latex from the rubber tree (Hevea brasiliensis) or others. The latex is a sticky, milky and white colloid drawn off by making incisions in the bark and collecting the fluid in vessels in a process called "tapping". The latex then is refined into rubber that is ready for commercial processing. In major areas, latex is allowed to coagulate in the collection cup. The coagulated lumps are collected and processed into dry forms for sale.
Natural rubber is used extensively in many applications and products, either alone or in combination with other materials. In most of its useful forms, it has a large stretch ratio and high resilience, and also is water-proof.
Industrial demand for rubber-like materials began to outstrip natural rubber supplies by the end of the 19th century, leading to the synthesis of synthetic rubber in 1909 by chemical means.

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  1. E

    Connecting to black rubber mains pipe

    I have a cold mains in that is a black flexible rubber looking pipe. Please see photo 1. It is currently connected to a 22mm stopcock. I’d like to send it 90 deg to the right. This is so I can lower the shelf above it and have the mains come in at a more convenient place. See photo 2 (with...
  2. E

    Solution to inaccessible Isolation valve rubber

    Hi, My toilet tank pipe seats eactly above a straight isolation valve; it is leaking from its top. I believe it is due to the valve's rubber which I found in a bad state. The main water supply valve is jammed; I don't want to force it. I was hoping to be able to lift the toilet water tank but I...
  3. B

    Which way bath rubber seal?

    I’ve got a McAlpine bath waste & it’s come with the two rubber seals one for the plug (which is the bigger one out of the two in pics) & the overflow. Which way around do I put them as the plug one has one side with loads of lines compared to the other side which has a slight dip with one line...
  4. gerry2190

    URGENT Rats chewing rubber seal entering soil stack and then rest of the pipe

    Hi everyone, thank you for time reading this, I own a ground floor flat in a block in Bedford, the issue is that rats from the sewers chew the rubber seal entering the vertical block soil stack and then they keep on chewing the rest of the flexi pipe. Would you know how to stop this? Is there...
  5. D

    Viessmann rubber hoses problem

    Are the rubber hoses known to fail on the 2016-2019 Viessmann Vitodens 100W? I've been dealing with circulation issues inside the boiler and I've found some anecdotal reports online of "crunchy hose syndrome" aka black granules or flakes. Some photos of the issue from several youtube vids...
  6. T

    Rubber 'Cup' in shower trap has perished.

    A 21 year old shower which has two traps has perished "Cups' and smells are entering via the Traps. There is no access to replace the Traps. I have no idea who made these old Traps or where to get a replacement rubber cups. I cannot fit a dry trap down stream as there is no access. Any ideas...
  7. M

    3/4 rubber washer Bath tap connector

    When changing bath taps does anyone use the 3/4 flat washers you get with hep20 tap connectors instead of fibre washers? I use the 1/2 inch hep20 rubber washers on toilet service valves and no. 62s and have worked well.
  8. D

    Bath plug rubber seal replacement

    Hi All, I hope this is an appropriate place to post this, Im struggling a little with a replacement part i need. We have a Villeroy Boch Subway bath, when we bought it we bought a matt black plug and knob thing to raise / lower the plug. On the plug, the rubber ring around the center of it...
  9. M

    Rubber or fibre washer fill valve connections

    Any one started using rubber washers on copper tap connectors instead of fibre?
  10. R

    Macdee pneumatic flush rubber bellow diapragm

    Hi folks, New thread so any help appreciated. My rubber diaphragm bellow for macdee quick flush toilet comes apart when flushing my toilet. It then proceeds to never stop running in to the toilet. I put the bellow back together and it fixes itself but not for long as it keeps happening. Are...
  11. R

    Rubber bungs for loft tanks

    Sounds like a good alternative to draining the tank while I replace teh gate but when I do the calcs there's only about half a pound of water pressure keeping the thing in. I don't know whether I am happy with that when there's 50 gallons of water in it ready to escape. I would be happier if...
  12. centralheatking

    Rubber Cored Braided Flexible Connectors

    The NHS has already de listed rubber cored flexible connectors I learn this morning that a local Metropolitan Borough Council in my area has followed suit. The issue is the rubber core becomes porous and is a breeding ground for nasty bugs esp. legionella ...plus their propensity to split and...
  13. S

    UK Leaking toilet cistern pipe to valve

    Hello I wanted to fit an isolating valve to the supply to the toilet cistern so as to reduce the water pressure. The cistern has a shutoff valve with a small rubber diaphragm type shut off and if pressure is to high it keeps filling and overflows into toilet. I have posted a photo, new copper...
  14. E

    Leaky Kitchen Tap - does a rubber washer exist?

    Hi All, I'm stuck and in need of some help. I have a leaky French style kitchen mixer tap that requires replacement rubber washers. Believe the tap is likely as old as the kitchen extension, circa 20 years. I've searched the internet high and low, but the style of rubber washer I require...
  15. B

    Old plastic/ rubber pipe and compatible fitting?

    Hi, a stopcock has seized and I need to replace it but the pipe is an unusual rubber/ plastic material. It’s approximately an inch ID. Has anyone got any advice for replacement compatible fittings? Will it need inserts etc? Thanks in advance and some pics below.
  16. L

    Pan connector rubber seal

    I recently had to change a toilet. This was connected to the soil pipe by a flexi connector. Unfortunately the rubber seal on the soil pipe end of the flexi needed to be replaced, I was unable to find any stockist for just the rubber seal, so ended up buying a complete pan connector and using...
  17. SMB

    Ball cock rubber washer replacement.

    sorry if this has been asked before, searched but could not find the answer. Not too good on computers! I need to replace the large rubber washer in the ball valve. Which way does it go round into the fitting where it buts up to the white flow cone. Cheers.
  18. H

    RUBBER SHROUD (POT222161POT)

    Please help! Does anyone have a spare rubber shroud (grommet) for a potterton lynx 2 ng combi boiler, part number 222161pot? You would make my day! Thanks
  19. D

    Rubber or fibre washer

    Hi guys I'm after some opinions. I'm in the process of renewing my bathroom and currently installing concealed bath mixer taps and deck mounted shower head. I've not come across it before but the deck mounted shower head has what I can only describe as a catch tank to collect any water that...
  20. moonlight

    Where can I buy a rubber bung

    Anyone know where I can find a rubber bung, suitable for plugging a 28mm outlets on a cold water storage tank. Thanks
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