Specifications

1.English name:Polyvingl butyral
2.English another name:PVB
3.CAS RN: 63148-65-2
4.Character: manufacturer
5.pvb resin
 

English name:Polyvingl butyral 
CAS RN: 63148-65-2                             

pvb resin

 

1. physical properties:

 1.1   It is thermoplastic resin

 1.2  Appearance: white grain or powder

 1.3  Relative density: 1.08-1.10

 1.4  Pack density: 0.18-0.28g/ml

 1.5  Refractive index: 1.488(20°c)

 1.6  water absorption: <4%

 1.7 softening temperature: 60-65°c

 1.8 Glass transition temperature: 66-84 °c(depends on degree of polymerization)

 1.9 Tensile strength limit: 40-45Mpa

 1.10 Special heat: 0.4KJ/(Kg.°c)

 1.11 Permittivity(60HZ): 2.7-3.3

 1.12 Dielectric strength: 400-480V/Joule

 1.13 Heat Decomposed Temperature: above 200°c

 1.14 Fusion temperature: 165-200°c

 1.15 Thermal stability: above 100°c zoom

 1.16 Dissolvability:  soluble in methanol, ethanol, n-butyl alcohol, isopropyl alcohol, n-amyl alcohol, benzyl alcohol, butanol,diacetone alcohol, propylene glycol monoethyl enther/ methyl enter/n-propyl enther, acetone, methyl ethyl ketone,cyclohexanone, dichloromethane,chloroform and so on.

 

2. Chemical properties

2.1  High transparency: this product has high light transmittance, 660 µm long light  transmittance in  90%.

2.2  into the membranous: the product has good into model, can calender, extrusion, flow ping and become film coating.

2.3  weather fastness: this product uv resistance, in the nature condition is not easy to aging.

2.4 cold endurance: this product is good low temperature 0 to 60,in the low temperature keep good mechanical strength.

2.5 wear resistance: more than rubber 10 times.

2.6 bonding sex: this product to metal, plastic, leather,glass,wood to wait to have good adhesive   performance.

2.7 pigment dispersion: this product is good to all sorts of pigment of dispersion and stability.

 

3. Description of product specifications and technical specifications:

 

project indicator   grade	appearance	Granularity     %	volatile     %	viscosity	PVB %	transparency		Free acid HCL   %	ash %
						660 μm	430 μm
SD-0	white granules or powder	>99	<3	<5	68-80	>90	>80	≤0.05	≤0.06
SD-1		>99	<3	5-10	68-80	>90	>80	≤0.05	≤0.06
SD-2		>99	<3	10-18	68-80	>90	>80	≤0.05	≤0.05
SD-3		>99	<3	18-30	69-80	>90	>80	≤0.05	≤0.05
SD-4		>99	<3	30-60	70-80	>90	>80	≤0.05	≤0.05
SD-5		>99	<3	60-180	70-80	>90	>80	≤0.05	≤0.05
SD-6		>99	<3	>180	70-85	>90	>80	≤0.05	≤0.05

 

 

4. Package: Two layers of packaging, lined with plastic bag, plastic woven bag(lined with a layer of plastic film), the net weight of 12.5kg or 500kg, and according to customers requirement packing.

 

5. Store: This product should be stored in dry and ventilated inside storeroom, shoud not be mixed with other products.

 

6.Transportantion: Transportantion should be carrying, prevent sharp prick packaging,and should prevent moisture rain and sun.