3240 and FR4 are the two most widely used epoxy boards in the current sales market. Everyone says that FR-4} epoxy board is better than 3240. What are the differences between them?
차이 1 % 3a 색상 크리스탈 투명.
The color tone of FR4 is very natural, a bit jade like, while the color tone of 3240 epoxy board is a bit blinking. It doesn't seem very natural. Most of the tones are not very symmetrical.
차이 2 % 3a FR4 has a good flame retardant rating.
FR4 is an 개선 버전 of 3240 에폭시 보드. The flame retardant grade of FR-4 epoxy board can meet the UL94V-0%standard in China. 3240 에폭시 보드 does not have a flame retardant rating.
Difference three: The FR4 specification has good reliability.
The reliability of FR4 specifications is better than that of 3240, and the control of the thickness tolerance of FR4 throughout the entire process is also much better than that of 3240, making it more suitable for production and processing.
차이 4: FR4 하의 아니오 방사선 또는 환경 보호.
3240 에폭시 보드 is 할로겐화 및 아님 매우 환경적 친화적 for 둘 다 the natural environment and the body. None of them are in line with China's sustainable development strategy of emerald green. The FR-4} epoxy board is the opposite.
차이 5 % 3a 낮음 수분 흡수 용량.
그것 물 흡수 용량 (D % 7b % 7b0 % 7d % 7d % 2f23 % 2c 플레이트 두께 1.6 mm) % 3a 미만 미만 또는 동일 19mg % % 2c 어느 제공 우수 지원 용도 인 습식 냉각 기계 such as 변압기.
차이 6 % 3a FR4 캔 자기 소화 불꽃.
FR4 할 수 있습니다 자연 소화 효과 이벤트 불.
만기 to the excellent properties of FR-4 epoxy board, the preferred raw materials for 절연 layer components in high-end household appliances and electronic industries nowadays are mostly used in FR4. 그러나, 3240 에폭시 보드 has a certain sales market at this stage due to its very cheap price.
