Multilayer silicone coated film for roofing shingles and peel & stick underlayments

Product Overview

Description

Multilayer silicone coated film for roofing shingles and peel & stick underlayments

 

Invention Patent   (Patent No. ZL 2014 1 0048324.2)

Third prize of The 19th China International Industrial Exposition

First prize of technical Progress Award for Building Waterproofing Industry

 

 

Vice Chairman Unit of China Waterproof magazine

Vice Chairman Unit of Shanghai Society for Advanced Materials

Vice Chairman Unit of China Innovative benchmarking enterprise

Executive Member of the 7th Council of China Building Waterproofing Association

 

Following is waterproof membrane with High strength PE film from one of our chinese customer.

 

 

 

1,strong tensile strength,anti sun,no bubbles.
2,high strength roof composite material,creep resistance,Puncture resistance,anti aging
3,high strength, deformation resistant,weather resistance

 

Usage:Surface film for Bitumen waterproof membrane/special package/waterproof label etc.

 

Datasheet:

	Item No.:		SDM30	SDM60
	Thickness		0.14	0.1
1	Thickness tolerance	Thickness limiting tolerance≤	±0.025
		Thickness average tolerance≤	±10%
2	Width tolerance/mm	≤	±3
3	Unit weight(g/m2)	≥	130	90
Physical and mechanical property
	Item		SDM30	SDM60
1	tensile properties	tensile strength/Mpa ≥	30	50
		pulling force(N/50mm) ≥	200	250
		The maximum tensile elongation ≥	200
		Elongation at break ≥	250
2	Number of not breaking test sample when dart drop dash		8
3	A nail rod tear strength /N		25
4	tear strength/N                                         ≥			25
5	heat resistance		120℃ 10minutes,no bubbles, Not laminating
6	low temperature flexibility		-35℃ no cracking, Not laminating
7	heating ageing	appearance	no bubbles, Not laminating
		Pull retaining rate ≥	80
		The maximum tensile elongation ≥	200
		Elongation at break ≥	200
8	artificial weathering accelerated aging	appearance	no bubbles, Not laminating
		Pull retaining rate ≥	70
		The maximum tensile elongation ≥	180
		Elongation at break ≥	180
SDM Strength film for Waterproofing membrane,then test 1,3,4,5,6,7,8,for other application,then test 1,2