ʻO kahi mea hoʻoheheʻe wela wela e loaʻa i nā ʻano o ke kumukūʻai kūpono, ka hoʻopili ikaika, a me ka pale ʻana i ke kaiapuni. ʻO Purking-- ke nānā nei i ka hana ʻana i ke kāpili no 10 mau makahiki a ua aloha ʻia e nā hoaaloha he nui.
Hoʻolaʻa ʻia kahi ʻatikala e pili ana i ka manawa wehe a me ka manawa hoʻōla o nā mea hoʻoheheʻe wela wela i ka ʻike e pili ana i ka ʻoihana hoʻoheheʻe wela. Hāʻawi mau ʻo Purking iā ʻoe i kahi ʻatikala kiʻekiʻe
Hiki ke hoʻokaʻawale ʻia ka lāʻau lāʻau edge banding glue i ʻekolu mau ʻāpana e like me nā mea like ʻole: EVA wela hoʻoheheʻe adhesives, no kēia ʻano o nā mea hoʻoheheʻe wela wela, hiki ke hoʻokaʻawale ʻia i ʻelua ʻano: piha a piha ʻole. ʻO ka hoʻohana ʻana iā EVA ma ke ʻano he kumu kumu ʻo ia ka ʻenehana hana maʻamau o nā mea hoʻopili pili lihi. ʻO kāna palena nui ʻo ia ka wela a me ka wai ʻole. ʻAʻole pono ke kiʻekiʻe ma mua o 120 ° C ka mahana ambient o nā lako panel i hoʻopaʻa ʻia me ka EVA wela hoʻoheheʻe adhesive;
1. PUR (Polyurethane Reactive), ʻo ka inoa piha ka moisture-curing reactive polyurethane hot melt adhesive, ʻo ka mea nui he isocyanate-terminated polyurethane prepolymer, one-component, 100% solid content. ka
I mua o nā pono o nā mea hoʻoheheʻe wela, he nui nā mea kālepa, a ʻokoʻa nā makemake o nā mea hoʻoheheʻe wela a me nā mea hoʻopili like ʻole. I mea e hana ai i ka wela hooheheeia mau huapalapala hāʻawi i ka maikaʻi hana o ka "stickiness", ina paha o ke kala o ka Dr. Douglas glue loea ma PurKing e hoololi i ka viscosity o ka wela hooheheeia adhesive, e noonoo i keia mau kumu i ka wa. ke koho ʻana i kahi mea hoʻoheheʻe wela:
ʻO ka PUR kahi ʻano o ka rigidity hiki ke hoʻololi ʻia a me ka paʻakikī (elasticity), nona ka ikaika hoʻopaʻa maikaʻi loa, ka pale ʻana i ka wela, ka pale ʻana i ka makū, ke kūpaʻa ʻana o ke kino, ke kūpaʻa ʻelemakule, a ʻaʻole i loaʻa nā mea ʻona a me nā mea ʻino e like me formaldehyde a me benzene. kaiapuni wela heheehe adhesives.