70g White Sulfur Free Paper for Silver Products Containing Silver Surface Plating Process and Padding Packaging Spacing

• Industrial Use: Food, Pharmaceutical, Apparel, Agriculture
• Layered: Functional Layer
• Hardness: Soft
• Bag Sealing Methods: Cylindrical Bag
• Thickness: 79um
• Tightness: 0.781g/cm3
• Tensile Strength: 5.6kn/M
• Tensile Strength(Td): 2.6kn/M
• Elongation(MD): 2.3%
• Elongation(Td): 5.3%
• Tearability(Td): 605m/N
• Tearability(MD): 695m/N
• Smoothness(Td): 35s
• Smoothness(MD): 20s
• Surface Strength(Td): 16A
• Surface Strength(MD): 16A
• Water-Soluble Sulfate: <50mg/Kg
• pH: 6.39
• Water-Soluble Chloride: 41.2mg/Kg
• Transport Package: Carton/Pallet
• Specification: Customizible
• Origin: China

Product Description

Product Parameters

Main items / Subitems							Specifications / Values
Carrier type or Base material							Glassine base paper
Appearance / Color							Roll/White
		Roll Width(mm) [customizable]					Customizable
		Roll Length(M)  [customizable]					Customizable
Main Characteristics		Items			Unit	Test method	Typical Value
		Grammage			g/m^2	GB/T451.2	70±2
		Thickness			um	GB/T 451.3	89
		Tightness			g/cm^3	GB/T451.3	0.781
		Tensile strength		MD	kN/m	GB/T12914	5.6
				TD	kN/m	GB/T12914	2.6
		Elongation		MD	%	GB/T 12914	2.3
				TD	%	GB/T 12914	5.3
		Tearability		MD	m/N	GB/T455	605
				TD	m/N	GB/T455	695
		Smoothness		front	S	GB/T462	35
				back	S	GB/T 456	20
		Surface strength		front	A	GB/T 22837	16
				back	A	GB/T 22837	16
		Water-soluble sulfate			mg/kg	GB/T2678.6	<50
		PH			/	GB/T 1545	6.39
		Water-soluble chloride			mg/kg	GB/T 462	41.2

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Company Profile

    Keraf group was founded in 2014 under the exclusive and strategic mandate of GrafTech®, a world-renowned graphite brand with a history of more than 130 years, to expand the Chinese market. Our company is located in the complete industrial chain, full competition, with the world factory reputation of Dongguan City, China.
    Keraf tech is a well-established and professionally managed corporation with nearly 10 years of distinguished record in research and development, production, and marketing of various interface materials and components in China domestic and overseas markets.
    After nearly ten years of technology accumulation and intensive development, Keraf group has been transformed from a factory focused on OEM thermal management materials die-cutting production into a comprehensive industrial group with one-stop services such as ODM thermal tech design, hardware and plastic processing, LSR components, industrial coating materials and so on.
    Keraf group's core products have covered 3C electronics, semiconductor, equipment, automotive, new energy, photovoltaic power generation, shipping, aviation and other industries to provide a full range of high performance, excellent quality interface material solutions.
    Always adhering to the integrity, focus, innovation, win-win business philosophies, Keraf Group have already established and maintained a good cooperative relationship with many global clients. We are also looking forward to becoming one of your reliable and trusted long-term strategic partners.

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