Golf equipment maker Kasco Corp. has announced that it will next April release a new golf ball made using eucommia elastomer. The ball, branded the Biospin, will be a high-end product with a suggested retail price of 1,000 yen ($8.88) per ball. The cover material is made with trans-1,4-polyisoprene, an inedible biomass produced by the Eucommia ulmoides tree – also…