25 years waterproof silicone sealant for shower door seal strip

$0.86 - $1.34
Min. Order
100 Pieces
Company Information

Shandong Youlier Sealant Industry Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
US$ 200+
4 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Port: Qingdao Port
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 800000 Piece/Pieces per Month 25 years guarantee waterproof silicone sealant for seal
CAS No.: 9009-54-5
Other Names: Silicon Sealant
MF: HOSi(CH3)2[OSi(CH3)2]nOH
EINECS No.: 230-391-5
Place of Origin: Shandong China
Classification: Other Adhesives
Main Raw Material: 100% virgin silicone sealant
Usage: Construction,Fiber & Garment,Footwear & Leather,Packing,Transportation,Woodworking,silicone sealant waterproof
Brand Name: Youlier
Model Number: RTV
Type: gp Structural
Item Name: 25 years waterproof silicone sealant for shower door seal strip
Application: caulking ,sealing,and bonding Construction
Curing System: neutral,acetic
cure speed: 2.5mm/day(23℃ and 50%R.H.)
Promoter Compositon: hydroxy silicone(107 glue)
Cartridge volume: 240ml/260ml/280ml/300ml/310ml/330ml
Part: single component
Tensile Strength: ≥1.0Mpa
Features: high adhesion
Keywords: silicone sealant waterproof
Delivery Detail: Shipped in 0 days after payment
Packaging Detail: For 300ml,24pcs/carton,carton size:307*207*250mm,1850ctns/20ft For 590ml,20pcs/carton,carton size:360*250*200mm,1550ctns/20ft 25 years waterproof silicone sealant for shower door seal strip

                  25 years  waterproof silicone sealant for shower door seal strip

Product Description of silicone sealant

silicon sealant.jpg

It is one component, acetic/neutral RTV curing speed, low/high modulus, high displacement/movement performance, strong adhesion,

It adopt 107 as raw material ,mixed with cross-linking agent, coupling agent, Formulated with calcium carbonate filler, with help of advanced formula technology and quality ingredients, to manufacture the exquisite uniform paste, silicone sealant ,smooth lump-free cream without bubble, which will cures into a tough rubbery solid upon exposure to moisture in the air.

It gives superior adhesion and durability in a wide applications of sealing &caulking, bonding, joint ,adhering, assembling and installation of glass curtain wall, façade building, kitchen,  bathroom, aquarium ,SSGS, Total Vision System(TVS),

With the property of high adhesion and cohesion,

Excellent compatibility with other building materials.

It has excellent resistance to weathering, UV radiation, vibration, moisture ,ozone, temperature extremes ,airborne pollutants ,and many cleaning detergents and solvents.

Convenient to use, good extrusion and thixotropy in the temp range of -4℃-40℃ .

It won’t shrink and crack,


Features and Advantages of silicone sealant

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(1),Curing in room temperature

(2),Prevents growth of mould fungus, good mildew proofing property.

(3),Low VOC, environmental friendly.

(4),Behave good performance between the temperature of -60℃-- 180℃ after curing.

(5),Good toughness and permanent flexibility under direct sun light. anti-aging.

(6),no need using substrate primer for most building materials, can obtain excellent bonding performance.


Technical Parameter of silicone sealant


25 years guarantee waterproof silicone sealant for seal



Test value

Testing method

Conducted at 50 RH and temperature 23℃




GB/T 13477

Tack free time(min)



GB/T 13477

Skinning time(min)



GB/T 13477

Extrusion rate(ml/min)

more than 80


GB/T 13477




more than 0.5


GB/T 13477


more than 0.6


Slump/sag/drooping(mm) vertical

No shape change

No change

GB/T 13477

Slump/sag/drooping(mm) horizontal

less than 3


GB/T 13477

Curing speed(mm/day)




As cured after 21 days at 50% RH and temperature 23℃

Hardness (shore A)




Elastic recovery rate (%)



GB/T 13477

Tensile strength at normal condition




GB/T 13477

Elongation at break



GB/T 13477

Movement/displacement capacity %





Production equipment of silicone sealant

Hi friends, welcome to visit us!  so exciting to have your visit!

let me show you around our factory.

lets go,

 silicone sealant (3).jpg


you see, we have a large workshop,

20 foot container can come in directly.

which is very convenient for us to loading boxes and pallets into container.


the below photo is the automatic machine for packing cartridges,


silicone sealant (4).jpg


also we have 10 set of semi automatic manual machine.

there are lots of boys and girls ,work with them,

they work hard ,and 

efficient,totally efficient comparable to automatic machine,

yes, they need rest,and work in turn ,to have a good rest.

 silicone sealant (6).jpg


we print cartridges for ourselves and other factory.

the machine is effient ,and amazing.


silicone sealant (5).jpg


the below is two machine for packing sausages, 100% automatic.

one minute for one box,20 pcs,

the sealant comes from the tanks in the photo,


silicone sealant (7).jpg


and we make the main raw material 107 on our own.

according to the current regulation, heat source was changed into a more environmental friendly way.

they are safe,and strictly controlled.


silicone sealant (9).jpg


we have a special workshop to make semi-finished adhesive silicone sealant,

the work in them is labour taxing,

my colleague working in this workshop, is strong guys,

they are really tough.

 silicone adhesive sealant.jpg



well, to provide customers the better OEM/ODM service, we store enough carton packaging ,

and buy raw material at low price.

the boss's uncle,Mr.Xi in charge of them,

they are always kept neat and in order.


the prices of raw material rise high and low randomly.

a good way is to purchase them at low price,

such to counteract the flucturating in price.

silicone sealant (2).jpg


the truck can drive into warehouse directly.



also, we make some video, I can send it to you, if you interest.


QC & Certification of silicone sealant

Our boss told us, the ISO9001 is not just a certificate, but to comply with.

silicone   sealant.jpg



Applications of silicone sealant

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Silicone sealant is widely used in the caulking and sealing of automobile, glass curtain wall, aquarium tanking, pv solar panels, EIFS system, ACP, sanitary ,aluminum windows and doors ,metal stainless steel, marble dry hanging installation.


Estimated Consumption Amount of silicone sealant

For 300ml net volume of standard cartridge

Sealing Length Unit: meter


Sealing width(mm)

Sealing depth(mm)





























FAQ & After Sale Service

(1),How can you guarantee the quality?

We have strict test system from raw material to final product, each lot of finished sealant must be tested before packing. Above all, we can make raw material ,such as 107 for ourselves ,thus controlling quality from beginning.

(2),why can I trust you and place order with you.

 7 years experiences in silicone sealant, top ten supplier in Linqu, Trade Assurance service provided by Alibaba to 100% cover your money. Welcome to visit us.

(3),are you a factory? Are a trading company?

Yes, we a factory, located in Linqu, National Silicone Sealant Center, covers an area of 50000 square meter,with revenue of 15 million USD$, 2 hours away from Qingdao City, welcome to visit us.

(4),do you test all the goods before delivery?

Yes, we test it and can provide COA.

(5),Do you provide samples? Is it free or extra?

Yes, the sample silicon sealant is free, while customers pay for the courier fee that are deducted from the amount of  the first order.

(6), Can I be your distributor and partner in my country?

If meet with the requirements of partner’s qualification, a system of customized sales proposals for customers market, we can help you expand and grow business, and protect the market for a long time.

(7),How can know if the silicone sealant purchased can match my material?

Our experiences engineer available to help you select the right silicone sealant. Compatibility test for free before delivery.

(8),Can you OEM/ODM, and give me a private design.

Yes, OEM and ODM is free for low MOQ.


Packing list, Commercial invoice CO/FORM E/FORM A,B/L, or upon your request.

Fair and Exhibition

we love to talk to foreigh friends, not just for business, but can feel the culture differences,and make friends.

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Company Profile

silicone sealant.jpg

Linqu Youlier New material Co. Ltd. is established in 2012 by Mr. Wu Yuqiang, at Linqu, the biggest Silicone Sealant National Center in China. Listed as top 10 silicone sealant manufacturer in Linqu, it covers an area of 50000 square meter,equipped with complete set of production line, and make raw material for its own production.

Youlier Factory is 2 hours drive from Qingdao Port, which can facilitate us to provide convenient delivery for you.

As an adhesives &sealants provider, from the very beginning, Youlier attach great importance to product quality.  With a fully equipped laboratory set up, complying with strict QC system, Youlier passed ISO9001 certificate. Since 2012, she not only build up cooperation with China’s famous construction companies, also academic institute and research center to improve product quality and provide customized service for customers.

With its sealants wildly used in adhering and bonding of fields: waterproof ,gp general purpose, rtv, structural, auto glass, aquarium, solar panels, fireproof, quick drying, concrete, antibacterial, acid, acetic, neutral, transparent, marble, metal stainless steel, acp,ect., many popular brands are founded in domestic market, and also exported to India, Malaysia, Thailand, Pakistan Philippine ,Singapore, South Africa, Brazil ,Middle East, Uzbekistan,   Russia, Australia and other countries.

No matter when and where, the idea of “|people oriented, honesty and integrity” is always cherished in Mr.Wu’s mind. Quality comes first ,and the foundation to win the market.

We, Youlier, welcome to join us!

Contact US


                          Jack liu      

                                                   Sales Manager  


Mobile phone:   0086--130 5474 6945                

Email           :     jack (at) wfyle.cn                     

WeChat       :    0086 --13054746945

                           (or   slinevk )                                                 Whatsapp    :   0086-130 5474 6945

Skype           :   jack (@) slinevk.com

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25 years guarantee waterproof silicone sealant for seal