RT678 water resistant silicon sealant

Specifications water resistant silicon sealant

Fast Dry

Assembly and waterproofing & mildew proofing sealing of kitchenware and sanitary war

water resistant silicon sealant Product description   Features: One part ,acetic, room temperature curing Good toughness, high strength, fast curing, easy to use. Excellent waterproofing and weatherproofing ability, high & low temperature resistance performance Good extensibility, excellent adhesive to most of construction material without a primer.   Where to use:   Assembly and waterproofing & mildew proofing sealing of kitchenware and sanitary ware. Assembly and sealing of window and door glasses. Joint sealing of glass, marble, aluminum plate etc.   Instructions of use 1.Clean and dry the substrate' surface first of all. 2.Cut the nozzle and press glue gun ,balance the glue to the both sides,ensure to full the joint.    Use limitations   RT678 silicone sealant should not be applied in the following conditions: a. To structural assembly purpose. b. To all surfaces that bleed oils, plasticizers or solvents, and some uncured or sulfurized rubber. c. To the unventilated space or the surface which can touch the food or water directly. d. When the surface’s temperature is below 4 °C or above 40 °C e. To materials contained copper or copper alloy, painted surface, which may cause paint cracking or paint stripping. f. To the surfaces with lime powder, concrete or sand grain. Please read company’s technical files before application. Compatibleness test and bonding test must be done for construction materials before application. Our only warranty is the price amount or the product replacement but without any joint and several liability.   Safety: 1.It will release volatile compounds before the silicone is cured or during the curing period.It will be harmful to healt if inhale high concentrations of volatile compounds in long time.So ,please pay attention to keep the air fresh on the work place. 2.It is not health if the uncured silicone touch the skin directly for long, if it enter in the eyes, rinse with plenty of water immediately, and then ask the doctor to check if necessary. 3.Cured silicone sealant will not release harmful things, and it would not be harmful to skin. 4.If swallow the silicone ,please ask for medical treatment immediately. 5.Do not let the children to touch the curing silicone, don't put the sealant at children's reach.   Storage period: Keep dry and below 27 °C, storage period is 12 month since the date of production.   Standard:   A G 20HM GB/T14683-2003     Disclaimer: Since we can't control the conditions and methods when using the products , these informations can't replace the customer's spot testing of safety and validity. The only warranty is only the price amount or the product replacement but any joint and several liability. Please make sure of th vaidity yourself.  

No	Item			The standard	Test result	Test method
Test at 50±5% RH and temperature 23±2°C
1	Appearance			Have no grain, no bubble, no skinning, no agglomerations	Pass the the standard
2	Resistance to flow ,mm		Vertical	≤3	0	GB/T113477.6-2002
			Level	No distortion	No distortion
3	Tack Free Time, h			≤3	0.2	GB/T113477.5-2002
4	Extrusion ability, ml/min			≥80	715
5	Tensile modulus MPa	23°C		>0.4 or >0.6	0.6
		-20°C			0.8
6	Hardness,(Shore A)				20~40	GB/T1531-1999
7	Tensile strength Mpa				≥0.45	GB/T113477.8-2002
8	Ultimate elongation % at break,%				≥100	GB/T113477.8-2002
9	Joint Movement				±20%
10	Definite Elongation			No break	No break
11	Density, g/cm3				0.9375
12	Color				Clear
13	Shelf Life				12 months
The above mentioned chemical product has no poison,no pollution, and no cauterization. It is common chemical product.