Polyurethane vs Silicone vs Rubber -TPC

POLYURETHANE VS SILICONE VS RUBBER

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FUNCTIONS LIKE A TRUE SEALANT WHEN IN LIQUID FORM, AND IS OFTEN USED IN CASTING FOR AN ASSORTMENT OF PRODUCTS. PROS: - HOLDS UP TO ABRASION VERY WELL AND MORE TEAR RESISTANT - INEXPENSIVE - GOOD LOAD BEARING CAPACITY CONS - SHORTER LIFESPAN AS IT’S MADE UP OF ORGANIC MATERIAL (LAST BETWEEN 5 AND 10 YEARS) - DOES NOT WORK WELL IN COLD TEMPS BECAUSE IT WON’T MAKE A PERMANENT BOND - REMAINS TACKY FOR UP TO 24 HOURS

COMMONLY USED FOR MAKING MOLDS AS IT SOLIDIFIES AND BONDING SURFACES WHEN IN LIQUID FORM. PROS: - LONG LIFE: IS MADE UP OF INORGANIC MATERIAL (LAST MORE THAN 20 YEARS) - DRIES QUICKLY - CAN BE EASILY REMOVED FROM CASTINGS/MOLDS

CONS: - DOES NOT WORK WELL IN HIGH TRAFFIC AREAS BECAUSE DOESN’T HOLD UP TO ABRASION - EXPENSIVE - FLAMMABLE WHEN EXPOSED TO DIRECT FLAME

RUBBER IS SOFT BY NATURE AND ALLOWS FOR THE ABSORPTION OF VIBRATIONS AND NOISE, AND CAN BE USED AS AN ADHESIVE. PROS: - COST-EFFECTIVE SOLUTION FOR MANY APPLICATIONS - GREAT AT REDUCING VIBRATIONS AND IS MUCH QUIETER THAN OTHER MATERIALS SO ABLE TO ABSORB AND DAMPEN NOISE - VERY VERSATILE; CAN BE MADE EITHER HARD OR SOFT FOR AN ASSORTMENT OF USES CONS: - BIODEGRADABLE SO WILL DETERIORATE OVER TIME - USUALLY HIGHER IN COST

WITH SUCH SIMILAR CHARACTERISTICS, CHOOSING BETWEEN POLYURETHANE, SILICONE, AND RUBBER CAN BE A DIFFICULT CHOICE. WEIGH THE PROS AND CONS, THINK ABOUT YOUR BUDGET, AND CONSIDER THE JOB YOU’RE UNDERTAKING BEFORE MAKING THE FINAL DECISION!

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