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PU Prepolymer

Key Features

+ PU Casting Elastomer Prepolymer

+ Casting PU

+ PU Casting Prepolymer

+ Castable PU

+ PU (Polyurethane) prepolymer for casting polyurethane elastomer parts

+ Cast Polyurethane Resin

+ Castable Polyurethane

+ PU prepolymer for casting

+ PU elastomer Prepolymer

+ Casting PU Resin

+ Casting PU Prepolymer

+ Casting PU Elastomer

Advantage

Application
Bushes, Castor Wheels, Couplings, Conveyor Rollers, Cutting Boards, Fork-lift Tyres, Gears, Grading Screens, Pneumatic and Oil Seals, Scrapers, Skate Wheels, Wire Guides.

Introduction
"PU Casting Elastomer" urethane elastomer can be cured by reacting with a polyamine or a polyol hardener. The molding process is composed of pre-heating, degassing, mixing with a hardener, pouring into the mold, curing, demolding and post curing.

POLYESTER + TDI
	CPU-PS-70A	CPU-PS-80A	CPU-PS-85A	CPU-PS-90A	CPU-PS-95A	CPU-PS-97A
Hardness (Shore A)	70 ± 2	80	83 ± 2	90 ± 2	95 ± 2	97 ± 2
NCO Content (%)	2.1~2.3	3.0~3.4	3.6~3.9	4.7~5.2	5.9~6.2	6.4~6.6
Viscosity (CPS/80℃)	105000 ±15000	57500 ±12500	60000 ±20000	35000 ±10000	7500 ±1500	17500 ±7500
Specific Gravity	1.13	1.14	1.15	1.15	1.2	1.7
PHR of MOCA (%)	6.3~7.0	9.0~10.0	10.88~11.8	14.2~15.1	18~19.5	19.33~20.0
Pot-Life (Min)	3-5	4-6	2.5-5	2-3	4-6	0-2
Curing Temp. (℃)	110	110	110	110	110	110
Demould: Post Cure (Hour)	1:8	1:8	1:8	1:8	1:8	1:8
100% Modulus (kgf/cm²)	20	29	60	68	90	95
300% Modulus (kgf/cm²)	31	49	117	171	175	177
Tensile Strength (kgf/cm²)	385	432	495	603	530	558
Elongation (%)	612	560	495	477	440	423
Tear Strength (kgf/cm)	41	56	99	99	100	108
Compression Set (%)	26	23	27	29	30	33
Notice: These values are based on the test of our present laboratory test specimens.

****We cordially invite you to access our following website to know more about our
polyester + TDI - https://www.taiwanpu.com/productInfo/PU Casting Elastomer Prepolymer/POLYESTER-TDI

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