No 1, Tek 9 Road, Tinggi & New Tech Development Zone, Songshan Lake, Dongguan City, Provinsi Guangdong | sale@tonyhk.hk |
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Detail produk:
Syarat-syarat pembayaran & pengiriman:
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Cahaya Tinggi: | Drop Ball Rebound Resilience Tester,Penguji Ketahanan Rebound Foam Drop Ball |
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</s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> </s> orang </s>Pengujian terdiri dari menjatuhkan bola baja pada spesimen busa dan mencatat ketinggian pantulan.Penguji rebound bola terdiri dari tabung plastik bening vertikal berdiameter dalam 40 ± 4 mm, seperti akrilik, di mana bola baja berdiameter 16 ± 0,05 mm dilepaskan oleh magnet atau perangkat lain.Bola baja harus dilepas agar jatuh tanpa rotasi.
Langkah Pengujian:
(1) Pusatkan spesimen di dasar tabung dan sesuaikan tinggi tabung sehingga pantulan nol adalah 16mm di atas permukaan spesimen busa.
(2) Pasang bola baja pada mekanisme pelepasan, kemudian jatuhkan dan catat ketinggian pantulan maksimum.Jika bola mengenai tabung di drop atau rebound, nilai yang diperoleh tidak valid.Kondisi ini biasanya karena tabung tidak vertikal atau permukaan benda uji tidak beraturan.Untuk meminimalkan kesalahan paralaks, lingkaran pada tabung di wilayah di mana persen rebound dibaca harus muncul sebagai garis.
(3) Buat dua tetes tambahan pada spesimen yang sama di lokasi yang sama kecuali jika disetujui oleh pembeli dan pemasok.
Jarak jatuh bola: 460 ± 0,5% mm (standar China) 500 ± 0,5% mm (standar Amerika)
Diameter bola: Φ16 ± 0,05 mm
Akurasi tingkat rebound bola jatuh: 1.5
Ukuran sampel yang diuji: 100 mm (L) × 100 mm (W) × 50mm (H)
Standar:GB / T6670-97, ASTM (standar Amerika) D3574 dan ISO8307
Kontak Person: linmei
Tel: 86-13421721188
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