Polyurethane WPU-D70A/B | Buy Polyurethane WPU-D70A/B from Yixing Pulitai Electronic Materials Co.,Ltd., China

Polyurethane WPU-D70A/B Details

Place of Origin

China

Supply Type

In-Stock Items

Condition

New

Polyurethane WPU-D70A/B Introduce

Polyurethane WPU-D70A/B

Description

Two-component encapsulating system based on polyurethane, formed from high performance resin and fillers by special production processing, Togather with high purity anhydride. The cured resin has high of thermal deformation temperature, high pressure resistance and High/Low temperature resistance is good. Low expansion coefficient

Applications

Encapsulation of electrical components of Auto Capacitor, Auto Igniter and High quality Filter

General properties

Test Item	Test Mothed/Conditions	WPU-D70A		WPU-D70B
Appearance	Visualization	White liquid		Brown liquid
Viscosity	25º C mpa.s	2000 - 4000		100 - 300
Density	25º C g/m³	1.35 ± 0.05		1.23 ± 0.05
Ratio of blend	Weight/Weight	100	20
Viscosity(blended)	25º C mpa.s	1000 - 1500
Pot life(60g)	25º C min	30 - 50
Gelation time(60g)	25º C min	60 - 90
Curing condition	º C/hrs	24 hrs
Storage validity	Sealed and storage Temp.below 25º C	6 months	6 months

Characteristics after curing

Item	Unit/Conditions	WPU-D70A/B
Hardness	Shore-D	75±5
Tensile strength	Mpa	≥1.5
Elongation	%	≥50
Volume resistivity	Ω.cm	4x1013
Permittivity 50HZ	--	3.4
Tangent angle loss 50HZ	--	0.015
Insulation Strength	kv/mm	12.5
Flame Retardancy	UL 94	V0
Surface Resistance	Ω.cm	＞1014
Use of temperature range	º C	-40 to 120
Environmental protection standard		Rohs+Reach Low halogen

Previous : Jelly Glue for Bookbinding Next : 200 Bloom Industrial Grade Gelatin Used for Paintballs