February 22, 2025

Weldable EPDM Rubber Waterproof Membrane for Pond Liner

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Model NO.: EM230
Roll Size: 1.2*20m or customized
Trademark: Yosaite or OEM
Transport Package: Packed with woven bags or customized
Origin: Shandong, China
HS Code: 3921909090
The 100% cured EPDM membrane is made of a synthetic rubber Ethylene-Propylene-Diene Monomer. The membrane is weldable with hot air and extremely durable, and has excellent thermal shock and UV rays/ozone resistance. It retains its elasticity at  temperature from  -45ºC to 130ºC and resistant to temperature shocks up to 250ºC,  quick and easy to install.

Features
- Excellent tensile strength and elongation rate, dimensions stability, long service life
- Good welding characteristics and resistant to UV/oxidation/heat and ozone
- Superior mechanical properties and stability and flexibility at low and high temperature  
- High puncture and tear and impact resistance
- Excellent gas impermeability and resistance to acid rains, low weight
- Quick and easy installation, no need of flames or torches

Uses
* Roofs or re-roofing, underground structures of residential and commercial buildings
* Parking lots, reservoirs, swimming pools, sewage treatment plants, warehouses
* Highway, airports, railway, bridges, tunnels
* Especially for the projects with high requirements in durability, anti-corrosion, and deformation

Specification
Thickness, mm Width,  m Length,  m
1.2,  1.5,  2.0mm 1.2,  2.0m or customized 20m or customized

Technical Data: Executive Standard GB18173.1-2012
No Item Unit Index
1 Tolerance of size  Thickness % ±10
 Width % ±1.0
 Length % No negative
2 Tensile strength  Normal temperature, 23ºC MPa ≥7.5
 High temperature, 60ºC MPa ≥2.3
3 Ultimate elongation  Normal temperature, 23ºC % ≥450
 -20ºC % ≥200
4 Tearing strength   KN/m ≥25
5 Watertightness, 0.3MPa*30 min   *  Impermeable
6 Foldability at low temperature  -45ºC ºC No crack
7 Heat expansion  Extension mm ≤2
 Contraction mm ≤4
8 Hot air ageing, 80ºC×168h  Tensile strength retention at break % ≥80
 Retention of elongation at break % ≥70
9 Alkaline resistance,10%Ca(OH)2
Normal temperature×168h		  Tensile strength retention at break % ≥80
 Retention of elongation at break % ≥80
10 Ozone resistance, 40ºC×168h  Elongation 40%, 500×10-2 * No crack
11 Accelerated weathering  Tensile strength retention at break % ≥80
 Retention of elongation at break % ≥70

Weldable EPDM Rubber Waterproof Membrane for Pond Liner

Packing and Delivery
10-24 rolls/pallet depending on the thickness and length of the roll.
Delivery time: within 15 days after payment

Application
EPDM can be installed at fully adhered, mechanically attached or ballasted by the seams sealing with liquid adhesives or specially formulated tapes.

Storage
Store away from sources of punctures and physical damage. Keep dry and store away from ignition sources and open flame.
Shelf Life: Unlimited

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Weldable EPDM Rubber Waterproof Membrane for Pond Liner

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